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2824 Reviews

- Industry: Health, Wellness & Fitness
- Company size: Self Employed
- Used Daily for 2+ years
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Review Source
Overall rating
- Value for Money
- Ease of Use
- Likelihood to recommend 10.0 /10
Google Calendar is easy peasy!
Reviewed on 2022/05/12
EXCELLENT! Google Calendar syncs across all my devices: laptop, Google Pixel smart phone, Google Home - I can ask the Google Assistant what's happening next and it will share my schedule with me!
Pros
I have the free version for my personal calendar and the paid Google Workspace version for my business with HIPAA compliance. I love that I can sync both calendars and that my HIPAA compliant appointments show up as "busy" on my personal calendar. I also love that both my personal and business calendars sync with my Go Highlevel marketing calendar and EMR so that clients can't double-book their appointments when they schedule online. Appointment reminders keep me moving from appointment to appointment without delay. Google Tasks allows me to prioritize my To-Do list to help me stay the most productive. Another great feature is that you can color-code appointment types and tasks to see at a glance what is happening with your schedule for any given day.
Cons
I've been using Google calendar for a long time. I do remember that it was a bit non-user-friendly when figuring out tasks at first. I believe there have been several updates and I am very used to the program now. As with anything, there is always a learning curve when trying something new.
- Industry: Information Technology & Services
- Company size: 1 001–5 000 Employees
- Used Daily for 2+ years
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Review Source
Overall rating
- Ease of Use
- Likelihood to recommend 9.0 /10
Simple and amazing tool to stay organize
Reviewed on 2023/01/17
User friendly Easy to navigate Will remind and keep you organize of your meetings
Pros
What I love most about Google calendar is its user friendly interface. You don't need to be a technical person to understand how it works. It is simple and you can also integrate with other applications.
Cons
I hope they can add more options to customize the Meeting colors .
- Industry: Mechanical or Industrial Engineering
- Company size: 10 000+ Employees
- Used Daily for 2+ years
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Review Source
Overall rating
- Value for Money
- Ease of Use
- Customer Support
- Likelihood to recommend 6.0 /10
Inexpesive Calendar for Embryonic stage Companies
Reviewed on 2022/05/14
Google Calendars are really worth it when there is no real budget for your company and if you are having a startup. Also, the features that come with Google Calendar are massive; however, when you are moving ahead and need to handle various complex tasks, meeting and etc, you need to think twice about whether this app to stick or not because in the real cooperative world clients have some kind of a hesitation when it come to connecting through Google related platforms. Ultimately if you do not have a google account then things are much more complicated.
Pros
The ultimate good thing about this Calendar is, that you do not need to worry about your departmental budget as it can deliver a solid output in terms of calendar tasks, events, and reminders for a small price. Another great feature of this application is you get many addons with a calendar, for example, whiteboard/google meets and many other google related tools and to have an effective calendar session.
Cons
One of the biggest issues we experienced was problems with syncing with other calendars. You need to be smart and have great technical skills to perform this, as this is to be done with many clicks. Also, this is not a great mobile-friendly.
- Industry: Outsourcing/Offshoring
- Company size: 1 001–5 000 Employees
- Used Daily for 2+ years
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Review Source
Overall rating
- Ease of Use
- Likelihood to recommend 9.0 /10
Calendarize yourself
Reviewed on 2022/12/30
My life has become easier and more structured with Google Calendar. Brings control to what you need and allows you to set up Focus time, if you need to block of some time to dedicate to yourself. Accessing this info from my phone, laptop or computer is a blessing as I don't have to manually update my calendar or miss an appointment since it's not up to date.
Pros
It's a great way to manage your day. You can color code meetings, include meet, set recurring events, even reserve any meeting room if you have it set up. Other can view your calendar or you can set it up so everyone just sees busy and not your named events. You can create team calendars so others can use it, making collaboration easy. You can view your calendar on any devices, which means that you will never miss an appointment.
Cons
If you have a lot of daily appointments, the monthly view will look very cluttered and you will have to expand the view to see all your appointments.
- Industry: Computer Software
- Company size: 201–500 Employees
- Used Daily for 2+ years
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Review Source
Overall rating
- Ease of Use
- Likelihood to recommend 7.0 /10
Can't live without it!
Reviewed on 2023/01/16
Pros
This calendar runs my life. I love that it integrates with my email, how easy it is to share calendars with family and co-workers, the integration with Gmeet... It's just the most practical tool.
Cons
The mobile app still has room for improvement. Is harder to schedule slots in the calendar and it doesn't show more than 1 timezone.
- Industry: Computer Software
- Company size: 51–200 Employees
- Used Daily for 2+ years
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Review Source
Overall rating
- Value for Money
- Ease of Use
- Likelihood to recommend 10.0 /10
Great calendar and scheduling functionality
Reviewed on 2023/01/16
Perfect for our use case - calendar and scheduling management.
Pros
Very user friendly and easy to use - no fluff functionality and ability to integrate with many different systems
Cons
Editing certain events can be a bit confusing and you end up having to delete and create new events.
- Industry: Information Technology & Services
- Company size: 201–500 Employees
- Used Daily for 1+ year
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Review Source
Overall rating
- Ease of Use
- Likelihood to recommend 10.0 /10
Best product!
Reviewed on 2023/01/16
Pros
I know of no product that is better than google calendar! It's very complete, easy to use and delivers what it sets out to do as a platform. It certainly optimizes individual and team time management!
Cons
I really like the platform a lot, one suggestion would be to vote on the choice of times with people outside the organization to choose the agenda and arrive at a common time, without having to use extensions.
- Industry: Computer Software
- Company size: 201–500 Employees
- Used Daily for 2+ years
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Review Source
Overall rating
- Ease of Use
- Customer Support
- Likelihood to recommend 10.0 /10
Great product for scheduling and hangouts
Reviewed on 2023/01/16
Pros
Ease of use and scheduling meetings.Inviting guests is straightforward and notes taking ability is great.
Cons
Nothing really.It's a good tool which does its job.

- Industry: Health, Wellness & Fitness
- Company size: 51–200 Employees
- Used Daily for 2+ years
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Review Source
Overall rating
- Value for Money
- Ease of Use
- Customer Support
- Likelihood to recommend 10.0 /10
The perfect tool for scheduling
Reviewed on 2023/01/17
Pros
I love how easy it is to use and how practical it is
Cons
I have no critiques for this product, maybe it could have an easier process to implement

- Industry: Information Services
- Company size: 10 000+ Employees
- Used Daily for 1+ year
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Review Source
Overall rating
- Value for Money
- Ease of Use
- Customer Support
- Likelihood to recommend 9.0 /10
Great reminder of what's important.
Reviewed on 2023/01/18
Great unmistakable next level.
Pros
It's a great way of ditching old ways of hard copy calender.
Cons
It still needs some work on personalization of the Calender
- Industry: Real Estate
- Company size: 2–10 Employees
- Used Daily for 2+ years
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Review Source
Overall rating
- Value for Money
- Ease of Use
- Likelihood to recommend 10.0 /10
Amazing Calendar and Scheduling Software - Highly Recommend!
Reviewed on 2022/09/07
Google Calendar replaced our outdated paper calendar system years ago, and we've been happy users both personally and professionally for over 15 years. I highly recommend Google Calendar to other users, especially Outlook folks who are still stuck accessing their calendar from desktop machines only. It's time to make the switch.
Pros
Google Calendar is our company's go-to calendar software, and my personal as well. From visibility of scheduling, to integrating with other calendars, to sharing and scheduling events together, Google Calendar is top notch. I personally integrate my business and personal calendars on the same view, and use the reminders feature as a running to-do list of all I need to accomplish in running both my personal and professional life. I can integrate/share calendars with my employees or family. I can also import and export calendars from other applications, such as our reservation system, which is really helpful for our staff.
Cons
I have no complaints at all - just the irony of having too many events on my calendar, but I'm very grateful that Google is able to track and maintain my complicated life for me.
- Industry: Arts & Crafts
- Company size: 2–10 Employees
- Used Daily for 2+ years
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Review Source
Overall rating
- Value for Money
- Ease of Use
- Likelihood to recommend 10.0 /10
Is there any other way?
Reviewed on 2022/05/24
I have used Google Calendar since the beginning and have found it extremely reliable and useful for both my personal and professional needs. I use it daily and have no doubts I will continue using it for both for years to come.
Pros
My team and I all use Android Smartphones and Chromebook laptops and there is absolute perfect integration between them all using Google Calendar. We use to schedule meetings, to set reminders, to set deadlines and to keep in contact with our customers.
Cons
We really cant see any negatives using Google Calendar as it suits all of our calendar management needs.
Alternatives Considered
Microsoft OutlookReasons for Choosing Google Calendar
Its free and you cant beat the integration with Googles' Android DevicesSwitched From
Microsoft OutlookReasons for Switching to Google Calendar
Google is free and is built into all Android and Chromebook devices I and my team use.- Industry: Law Practice
- Company size: 2–10 Employees
- Used Daily for 2+ years
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Review Source
Overall rating
- Value for Money
- Ease of Use
- Customer Support
- Likelihood to recommend 9.0 /10
Google Calendar is Easy to Use and Increases productivity.
Reviewed on 2022/05/23
The sync means two separate calendars are referenced. This is ensures we don't miss a deadline for an event or for a task. Tasks are assignable. Every team member can see the task. Tasks from google calendar are synced to our practice mgt software. Events and tasks flow both ways via sync. If the event or task is created in practice mgt software or in google calendar it shows up on both platforms. The ability to easily provide the zoom or google meet invite and the fact that google calendar prompts me to send it ensures we communicate effectively with clients and potential clients.
Pros
The best thing about google calendar is its ease of use. For example if you add an event you are prompted to invite others. Reminders for events are customizable. It syncs with our practice mgt software for our law firm.
Cons
I have two google accounts. For some reason my personal google calendar is the default (I believe this is because the personal google email is primary account) I have to toggle between them. I am sure there is a way to make business calendar the primary calendar. Just haven't figured it out yet.
- Industry: Education Management
- Company size: 501–1 000 Employees
- Used Daily for 2+ years
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Review Source
Overall rating
- Value for Money
- Ease of Use
- Customer Support
- Likelihood to recommend 9.0 /10
Single calendar for all your needs
Reviewed on 2021/12/03
Google Calendar has changed the way we do business in our office and across our organization. This has helped us to increase efficiency in planning and improved how comfortable employees are with technology. Even those who were late adopters (because of resistance to integration of technology) have found Google Calendar easy to use and helpful in managing different parts of their work flow.
Pros
Google has made it so easy to manage even the busiest calendars. The share feature allows multiple people to have simultaneous access, which is convenient now even more than before with team members working from a variety of locations. Changes to the calendar are done in real time, so there is little to no delay in being able to schedule and confirm appointments. With so many videoconferencing meetings nowadays, the ability to invite multiple people via Google Calendar makes it easy for the scheduler, but also easy for the recipients who see it on their calendar and can visually see if there are any conflicts before deciding to accept or decline the invite. The description and location fields within the calendar provide additional details to all be in a single invite, so no more frantically looking through emails for sign-on information.
Cons
I appreciate the colors to differentiate between the various types of appointments. It would be great if users had the ability to color code based on their distinct needs, which aren't always linked to the type of appointment category they fall in.
Alternatives Considered
CalendlyReasons for Switching to Google Calendar
Our organization already uses other Google products, so it made sense to stick with the Google suite of products. Additionally, Google provides flexibility to bring in appointments from a variety of platforms that Calendly didn't offer at the time we were researching and evaluating different products.- Industry: Computer Software
- Company size: 1 001–5 000 Employees
- Used Daily for 2+ years
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Review Source
Overall rating
- Value for Money
- Ease of Use
- Customer Support
- Likelihood to recommend 10.0 /10
Best Calendar Tool
Reviewed on 2021/06/18
The overall experience with Google Calendar was excellent. I really enjoy working with Google Calendar for my daily tasks and manage daily meeting schedules and work to-do.
Pros
- Google Calendar is very easy to use and reliable tool with more efficiency
- Google Calendar navigation system is very self explanatory and any new person can get hands on it easily
- Google Calendar works with many integrated systems like Zoom to schedule meetings and automatically post the meeting links
- Google Calendar has a many other features like reminders, to-do list management which increases performance of the user
Cons
- Google Calendar user interface can be built on more modern Wed standards
- Google Calendar pricing can be a little less that way many other small businesses can afford
- Google Calendar can implement security features for more reliability
Alternatives Considered
Microsoft 365Reasons for Switching to Google Calendar
The pricing for Google Calendar is more affordable than any other products in the market. The customer support is very much good for Google Calendar.- Industry: Automotive
- Company size: 2–10 Employees
- Used Daily for 2+ years
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Review Source
Overall rating
- Value for Money
- Ease of Use
- Customer Support
- Likelihood to recommend 10.0 /10
Google Calender Review
Reviewed on 2022/10/20
Excellent, again I use it everyday its a lifesaver !!
Pros
Very easy to use, keeps me on track and able to share daily events with my family
Cons
nothing , again very esy to use and helps me day to day to stay on track
Alternatives Considered
ClickUpReasons for Choosing Google Calendar
Much more user friendly and alot more options in my opinonSwitched From
Microsoft OutlookReasons for Switching to Google Calendar
Again ease of use- Industry: Banking
- Company size: 11–50 Employees
- Used Daily for 2+ years
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Review Source
Overall rating
- Value for Money
- Ease of Use
- Customer Support
- Likelihood to recommend 9.0 /10
Google Calendar - my personl experience
Reviewed on 2021/01/08
It has all the capacities that you would anticipate from a schedule. Also, some more - updates by means of instant message (which is brilliant for certain occasions), pop-up messages on portable and work area, repeating occasions and so forth Google Calendar is as yet in its essential structure and it can really develop into a gathering scheduler or booking application itself. I imagine that component is inadequate. Something else is that when you're being cautioned for a gathering, Google springs up in your whole program window and prevents you from seeing what you were taking a gander at in your present tab. It tends to be irritating in case you're dealing with something significant.
Pros
The Calendar application has an extraordinary UI and is smooth and instinctive. The best part is the examination. The manner in which it can show me who I invest the most energy with is something I haven't found in a schedule application previously. It appears they are centered around time the executives and effectiveness and not only day arranging! While I've attempted distinctive Calendar programming over the previous years, I discovered Calendar.com to be the most astute among them all.
As somebody who goes to a ton of gatherings with planned customers, Calendar let me give possibilities choices to pick between various areas with a location alongside every one.
The Calendar portable application for iOS makes it simple to make, see, and deal with my occasions.
The product is ideal for organizations that have a far off group spread across the globe in various time regions. It's anything but difficult to speak with our engineers who are both in Europe and Asian nations.
The genuine pearl of Calendar lies in its Transcription include. I can record each word said in a gathering. So if there's any time I need to return to significant minutes during the gathering, I can do that effortlessly.
Cons
Can only be accessed by internet access so it will be nice if google will change this

- Industry: Marketing & Advertising
- Company size: Self Employed
- Used Daily for 6-12 months
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Review Source
Overall rating
- Value for Money
- Ease of Use
- Customer Support
- Likelihood to recommend 8.0 /10
Aesthetically Pleasing Planning and Scheduling Software
Reviewed on 2022/01/22
I'm planning my days and my businesses easier. This has had the effect of making my businesses more efficient and run more smoothly.
Pros
Google Calendar has a new feature that allows you to reach a desired goal by allowing you to do day-to-day tasks in furtheration of your ultimate goal. This goal can be learning to code and losing weight. This is by far the best Innovation by Google Calendar. It really seems to take into account my peak points and to schedule time that will help me to achieve my goal at those ideal moments. In Google Calendar, scheduling runs smoothly and efficiently. Tasks and events can be easily scheduled in advance. I like how you can share your upcoming events with friends. The best part is that shared links are automatically synced with your friends' Google Calendars. This allows us to send them notifications when events are taking place. This is a very important feature of the app in my opinion. I like how you can schedule pretty much anything and everything ahead of time. I like how the app provides a general overview of the month and year ahead. The best part is that you can plan everything down to the last detail.The app allows you to schedule the hour up to a year in advance. I like how the app simplifies the scheduling process. It assists you in staying organized and focused for the time frame that you have set. I like that you can create whatever type of schedule you want. Overall I love that the app is aesthetically pleasing and that it's very quick and easy to use. The app is easy to navigate and it helps you to achieve your goals and to stay focused overall.
Cons
The sound should be much louder, and the notifications should be more prominent. To ensure that I see my reminders on time, notifications should be designed to be more schedule-stopping. Because of the weak structure and quiet nature of this app's reminders, they are easily overlooked.

- Industry: Insurance
- Company size: Self Employed
- Used Daily for 2+ years
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Review Source
Overall rating
- Value for Money
- Ease of Use
- Likelihood to recommend 10.0 /10
private and professional time manager
Reviewed on 2022/09/07
I can view my personal and private schedule along with my work schedule, or I can view only one of them, but still I have everything under control and I can tell you in a second if I am free for you!
I can see co-workers' agendas and we can schedule each other's appointments in the free slots (you decide whether to allow this option).
It integrates seamlessly with Calendly and Tidycal, look them up on Capterra if you are a professional with a website or social page.
I use the android app "businesscalendar" synchronized from google calendar, it is drag & drop, easy and better than the google one, quasti two tools change your life
Pros
-practical
-fast
-always with me on the phone
-have both private appointments and work
-connects with everything! other apps, other people, etc.
-free but indispensable
-with the search function I can look up a name and check when I last met him (or how many times, and I probably noted something about him in that meeting in my calendar, very useful to have this data in seconds)
Cons
the google calendar app has never had a very practical interface, at least for me who keeps an eye on the whole week in one screen with my calendars (one personal and one work) and that of othereseternal collaborators.
the agenda update time when you first share the agenda with a new contributor, you think it takes 5 minutes and ready! instead it takes a few more minutes... at least...
but only the first time.
If you change collaborators often keep in mind that they will not be up and running in 5 minutes on your agenda the first time
- Industry: Higher Education
- Company size: 501–1 000 Employees
- Used Daily for 2+ years
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Review Source
Overall rating
- Value for Money
- Ease of Use
- Customer Support
- Likelihood to recommend 10.0 /10
Google Calendar.. The Best in Calendar and Organizer Apps.
Reviewed on 2021/11/02
I've been using Google Calendar for quite a long time, and simple love it as it's only evolving more useful by including new functions and features with time as updates roll out. I can quickly find out about major events for each month and organize my own schedule to receive alerts at the correct time.
Pros
Google Calendar is more than just a calendar and is a powerful tool. It not only displays date months and days with holidays and social, national and religious events, but it also functions as a personal organiser. You may use it to create your schedule and appointments. It's the ideal calendar tool, especially if you use Gmail, because it effortlessly interacts with it and even remembers your contacts' birthdays. It offers a highly pleasing and intuitive user interface, which is enhanced by background design photos and fantastic animations. It comes with a high level of integration and efficiency while being simple and straightforward to use. It allows you to simply share your schedule with others and ensures that you never miss an important notifications.
Cons
After editing a recurring event to a different day, It sometimes is a trouble getting the original recurring day to delete. However, I eliminate the old recurring event and begin a fresh one to simply sort this problem. Apart from the above problem, its an all good to use app.
- Industry: Information Technology & Services
- Company size: 10 000+ Employees
- Used Daily for 2+ years
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Review Source
Overall rating
- Value for Money
- Ease of Use
- Likelihood to recommend 10.0 /10
Google Calendar is the best cloud calendar i ever used
Reviewed on 2022/05/21
Google Calendar helped me organize my life for the last six years and i can still go back multiple years and look at what i've done at a certain time. Even when a phone inevitably got destroyed, i didn't think twice about loss of the valuable organization of my time. I think that's awesome and speaks to the consistency of the product. There are other tech-giants that won't loose you're data as well, but no calendar has such a wide and mature integration with this many platforms. That's why i love using Google Calendar and will keep on using it.
Pros
There are many things I like about Google Calendar, but if I had to say just a few, those would be it:
- ease of using multiple calendars to organize different areas of your life
- easy integration of external calendars (e.g. for university, sports, ...)
- Well working web- and iOS-apps, that just work
Cons
There are not a lot of things i dislike about Google Calendar. It's mostly little UI and ease-of-use changes i'd like to see. Like if i'm in the iOS app and want to switch the calendar of an existing event there is no easy way to do this. You have to duplicate the event into the calendar you desire and delete the old event.
The web-app doesn't have this problem, here you can change the calendar directly, even on an already existing event.
- Industry: Education Management
- Company size: 1 001–5 000 Employees
- Used Daily for 2+ years
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Review Source
Overall rating
- Value for Money
- Ease of Use
- Customer Support
- Likelihood to recommend 10.0 /10
Good solution for education admin
Reviewed on 2021/11/02
Overall, Google Calendar has been very helpful with my organization and event management. Although it was difficult to adapt to at first, once it was figured out and the features were explored, it proved to be a rather effective way to manage both my personal calendar, schedule group meetings, as well as manage booking of various conference rooms.
Pros
The features I like most is the ease of portability in terms of the software solution. I can use it on my laptop/desktop or a mobile device. This helps me be connected with my calendar all the time. It is also easy to schedule events across all platforms and inviting others (inside and out of the Google Suite) is rather easy too. It is convenient to be able to color code different calendars and events for visual categorizing. Another area of convenience is Google Calendar's integration with outside platforms to seamlessly add events to my calendar.
Cons
I feel that certain features could be improved upon. For example, the address book's label option sometimes no longer recognizes a labeled group of people. This seems to be a bug in the system and usually works (until it doesn't). Another area of improvement would be to be able to see a timestamp when something is added to a calendar. This would be hugely helpful with room scheduling as one could compare if something was scheduled on a date/time prior to a subsequent room booking.
- Industry: Pharmaceuticals
- Company size: 5 001–10 000 Employees
- Used Daily for 2+ years
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Review Source
Overall rating
- Ease of Use
- Likelihood to recommend 10.0 /10
Help Keep Your Professional & Personal Lives Organized with Google Calendar!
Reviewed on 2021/03/12
Pros
What I like most about this software is the visual layout in regards to how it is presented on a variety of platforms, whether it be a desktop, laptop, smartphone, or tablet. The ease of use is also a phenomenal attribute associated with this software, as you are able to click just a few buttons and have your events organized by date and time, with or without any alerts. I also like that this software can be synced with your Gmail account, which allows for email reminders to be automatically sent to you about 15 to 30 minutes before your next scheduled event, (or any other custom warning time before the event). Overall, it is very well put together and easy to use. As such, I would recommend it to anyone who may be interested in trying to use it.
Cons
The only thing that I can think of as being a negative with this software is the fact that an internet connection must be present if someone would like to save the changes made to his or her calendar of events to the cloud. Until an internet connection is established, one cannot sync his or her calendar updates with other devices using the same Google account. Other than that one aspect of the software, (which is not that terrible in the first place), there is not much else to point out as a negative.
- Industry: Education Management
- Company size: 1 001–5 000 Employees
- Used Daily for 2+ years
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Review Source
Overall rating
- Value for Money
- Ease of Use
- Likelihood to recommend 10.0 /10
I do not miss a thing in my work (and in my life)
Reviewed on 2022/06/13
I use it daily, even hourly, I would say. Once or twice a week, I schedule my week (or, sometimes, even events months in advance), and then I just have to follow what the calendar shows me. When you are moving around a lot and have several kids doing activities, a proper calendar gives you peace of mind because you do not have to remember everything. In short, using Google Calendar as part of my routine has improved my quality of family life and work efficiency.
Pros
I like Google Calendar's availability: android, web, and tablet. This allows me to introduce new events on the go, whenever I am (working or at home). It is also advantageous to have several calendars in my view. I can divide them into areas of my work (teaching, researching, bureaucracy), but it also helps me organize my family schedule (kids, marriage events, and so on). The color-coding makes it very easy to spot what I have every day. In this regard, one last critical thing is the ability to share calendars. Be it work or my wife, I can take into account events that, although I have not created, can potentially affect my schedule.
Cons
It is a pity that such a ubiquitous app does not have a proper task manager associated. In my workflow, at least, tasks have to do a lot with the calendar, so I miss a better way to integrate both into the Google Calendar.
- Industry: Professional Training & Coaching
- Company size: Self Employed
- Used Daily for 2+ years
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Review Source
Overall rating
- Value for Money
- Ease of Use
- Customer Support
- Likelihood to recommend 10.0 /10
The Standard Utility for Calendars
Reviewed on 2022/09/07
I use Google Calendar in conjunction with apps and services such as Fantastical, Microsoft Outlook and Teams, Zoom and Calendly. These excellent services all plug into Google's calendar as a backend - meaning I can use whatever tool is best suited for the task, while not having my schedule spread out over multiple places and losing sight of what is happening in my busy workdays. Google just works behind the scenes and because of its standard software, gives multiple opportunities to automate things as well (e.g. with IFTTT or Microsofts PowerAutomator).
Pros
Google Calendar works without much hiccups. I have hardly ever experienced issues with sync etc. - it is the ideal utility (like a water or power supplier) at the basis of all your digital calendar needs. Most calendar apps and services that need calendar integration (such as scheduling services) are well integrated and work easily with Google's standardized calendars.
Cons
The online interface is sufficient and the apps are well designed - but somewhat basic. If you want to get the most out of what digital calendars have to offer, it is a good idea to explore apps and services that can expand and improve on Google's offer, all the while using its excellent underlying structure to host the actual calendar. Of course, privacy might be an issue with the company behind the offer.