--- title: OneCal Reviews meta\_title: 'OneCal Reviews 2026: Details, Pricing, & Features | G2' meta\_description: Filter 90 reviews by the users' company size, role or industry to find out how OneCal works for a business like yours. aggregate\_rating: rating\_value: 4.7 review\_count: 90 scale: '5' date\_modified: '2026-08-09' parent\_category: name: Collaboration & Productivity url: https://www.g2.com/categories/collaboration-productivity --- ### OneCal Pros and Cons: Top 5 Advantages and Disadvantages #### Quick AI Summary Based on G2 Reviews Generated from real user reviews Users find OneCal incredibly **easy to use** , valuing its seamless calendar syncing and excellent support. [(6 mentions)](https://www.g2.com/products/onecal/reviews?filters%5Bsentiment_snippet%5D=1920171&qs=pros-and-cons#reviews) Users value the **seamless scheduling integration** of OneCal, significantly enhancing efficiency and minimizing conflicts in appointments. [(5 mentions)](https://www.g2.com/products/onecal/reviews?filters%5Bsentiment_snippet%5D=1920318&qs=pros-and-cons#reviews) Users highlight the **simple setup** of OneCal, making it easy to manage schedules across multiple calendars effortlessly. [(5 mentions)](https://www.g2.com/products/onecal/reviews?filters%5Bsentiment_snippet%5D=1920160&qs=pros-and-cons#reviews) Users appreciate the **real-time syncing capabilities** of OneCal, simplifying scheduling across multiple calendars and preventing conflicts. [(5 mentions)](https://www.g2.com/products/onecal/reviews?filters%5Bsentiment_snippet%5D=1920208&qs=pros-and-cons#reviews) Users appreciate the **easy setup** of OneCal, making scheduling and management a breeze for their business. [(4 mentions)](https://www.g2.com/products/onecal/reviews?filters%5Bsentiment_snippet%5D=1920242&qs=pros-and-cons#reviews) Users find the **50 calendar limit** restrictive and face inconveniences when managing sync sessions effectively. [(3 mentions)](https://www.g2.com/products/onecal/reviews?filters%5Bsentiment_snippet%5D=2262688&qs=pros-and-cons#reviews) Users note the **missing features** in OneCal, particularly with booking and calendar management limitations affecting usability. [(2 mentions)](https://www.g2.com/products/onecal/reviews?filters%5Bsentiment_snippet%5D=1920122&qs=pros-and-cons#reviews) Users find OneCal to be **expensive** , particularly when connecting multiple calendars exceeds their budget. [(1 mentions)](https://www.g2.com/products/onecal/reviews?filters%5Bsentiment_snippet%5D=1920220&qs=pros-and-cons#reviews) Users find the **pricing issues** frustrating, citing unresponsive software and unnecessary calendar linking complications. [(1 mentions)](https://www.g2.com/products/onecal/reviews?filters%5Bsentiment_snippet%5D=2262605&qs=pros-and-cons#reviews) Users face **scheduling issues** with OneCal's booking feature, affecting their overall experience and usage effectiveness. [(1 mentions)](https://www.g2.com/products/onecal/reviews?filters%5Bsentiment_snippet%5D=1920294&qs=pros-and-cons#reviews) ### 5 Pros or Advantages of OneCal ##### 1. Ease of Use Users find OneCal incredibly **easy to use** , valuing its seamless calendar syncing and excellent support. [ See 6 mentions ](https://www.g2.com/products/onecal/reviews?filters%5Bsentiment_snippet%5D=1920171&qs=pros-and-cons#reviews) See Related User Reviews ![Sean C.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Sean C.") SC Sean C. Small-Business (50 or fewer emp.) 5.0/5 "Solves scheduling conflicts across clients" What do you like about OneCal? I work with multiple clients, and it has always been a challenge coordinating availability. While booking pages work well, they require my clients to ![Kasey H.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Kasey H.") KH Kasey H. Mid-Market (51-1000 emp.) 5.0/5 "Simple Calendar Linking with Top-Notch Customer Service" What do you like about OneCal? OneCal is a very simple way to link all of your calendars into one. It's easy to implement, use, and update. I basically just had to set it once and n ##### 2. Scheduling Users value the **seamless scheduling integration** of OneCal, significantly enhancing efficiency and minimizing conflicts in appointments. [ See 5 mentions ](https://www.g2.com/products/onecal/reviews?filters%5Bsentiment_snippet%5D=1920318&qs=pros-and-cons#reviews) See Related User Reviews ![Sean C.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Sean C.") SC Sean C. Small-Business (50 or fewer emp.) 5.0/5 "Solves scheduling conflicts across clients" What do you like about OneCal? I work with multiple clients, and it has always been a challenge coordinating availability. While booking pages work well, they require my clients to AL Alexander L. Small-Business (50 or fewer emp.) 5.0/5 "Effortless Calendar Sync Across Platforms" What do you like about OneCal? I really appreciate OneCal for its great user interface and ease of use, making it an efficient and user-friendly tool in our daily operations. The re ##### 3. Simple Users highlight the **simple setup** of OneCal, making it easy to manage schedules across multiple calendars effortlessly. [ See 5 mentions ](https://www.g2.com/products/onecal/reviews?filters%5Bsentiment_snippet%5D=1920160&qs=pros-and-cons#reviews) See Related User Reviews ![Sean C.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Sean C.") SC Sean C. Small-Business (50 or fewer emp.) 5.0/5 "Solves scheduling conflicts across clients" What do you like about OneCal? I work with multiple clients, and it has always been a challenge coordinating availability. While booking pages work well, they require my clients to ![Alex A.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Alex A.") AA Alex A. Small-Business (50 or fewer emp.) 5.0/5 "Simple Setup, Works Seamlessly in the Background. Super kind and effective support team!" What do you like about OneCal? Very simple setup. It works and you forget about it. Perfect tool for business. ##### 4. Syncing Capabilities Users appreciate the **real-time syncing capabilities** of OneCal, simplifying scheduling across multiple calendars and preventing conflicts. [ See 5 mentions ](https://www.g2.com/products/onecal/reviews?filters%5Bsentiment_snippet%5D=1920208&qs=pros-and-cons#reviews) See Related User Reviews ![Sean C.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Sean C.") SC Sean C. Small-Business (50 or fewer emp.) 5.0/5 "Solves scheduling conflicts across clients" What do you like about OneCal? I work with multiple clients, and it has always been a challenge coordinating availability. While booking pages work well, they require my clients to AL Alexander L. Small-Business (50 or fewer emp.) 5.0/5 "Effortless Calendar Sync Across Platforms" What do you like about OneCal? I really appreciate OneCal for its great user interface and ease of use, making it an efficient and user-friendly tool in our daily operations. The re ##### 5. Easy Setup Users appreciate the **easy setup** of OneCal, making scheduling and management a breeze for their business. [ See 4 mentions ](https://www.g2.com/products/onecal/reviews?filters%5Bsentiment_snippet%5D=1920242&qs=pros-and-cons#reviews) See Related User Reviews ![Alex A.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Alex A.") AA Alex A. Small-Business (50 or fewer emp.) 5.0/5 "Simple Setup, Works Seamlessly in the Background. Super kind and effective support team!" What do you like about OneCal? Very simple setup. It works and you forget about it. Perfect tool for business. AL Alexander L. Small-Business (50 or fewer emp.) 5.0/5 "Effortless Calendar Sync Across Platforms" What do you like about OneCal? I really appreciate OneCal for its great user interface and ease of use, making it an efficient and user-friendly tool in our daily operations. The re ### 5 Cons or Disadvantages of OneCal ##### 1. Calendar Issues Users find the **50 calendar limit** restrictive and face inconveniences when managing sync sessions effectively. [ See 3 mentions ](https://www.g2.com/products/onecal/reviews?filters%5Bsentiment_snippet%5D=2262688&qs=pros-and-cons#reviews) See Related User Reviews AL Alexander L. Small-Business (50 or fewer emp.) 5.0/5 "Effortless Calendar Sync Across Platforms" What do you dislike about OneCal? I find the limit of 50 calendars quite restrictive for some of our use cases, which makes it challenging when needing to manage more. Additionally, th ![Verified User](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User") U Verified User Small-Business (50 or fewer emp.) 0.0/5 "Expensive, slow, and clunky" What do you dislike about OneCal? The price for the unresponsive software that I have to repeatedly unlink and relink my calendars. I have separate calendars for it to integrate to and ##### 2. Missing Features Users note the **missing features** in OneCal, particularly with booking and calendar management limitations affecting usability. [ See 2 mentions ](https://www.g2.com/products/onecal/reviews?filters%5Bsentiment_snippet%5D=1920122&qs=pros-and-cons#reviews) See Related User Reviews ![Sean C.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Sean C.") SC Sean C. Small-Business (50 or fewer emp.) 5.0/5 "Solves scheduling conflicts across clients" What do you dislike about OneCal? Updated May 2026: While neither of these features has been added, I've found that I haven't used them enough in Calendly to justify the extra service. AL Alexander L. Small-Business (50 or fewer emp.) 5.0/5 "Effortless Calendar Sync Across Platforms" What do you dislike about OneCal? I find the limit of 50 calendars quite restrictive for some of our use cases, which makes it challenging when needing to manage more. Additionally, th ##### 3. Expensive Users find OneCal to be **expensive** , particularly when connecting multiple calendars exceeds their budget. [ See 1 mentions ](https://www.g2.com/products/onecal/reviews?filters%5Bsentiment_snippet%5D=1920220&qs=pros-and-cons#reviews) See Related User Reviews ![Verified User](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User") U Verified User Small-Business (50 or fewer emp.) 5.0/5 "A must have if you're an freelance consultant with tons of client calendars!" What do you dislike about OneCal? It's a little pricey especially if you need to connect 5+ calendars ##### 4. Pricing Issues Users find the **pricing issues** frustrating, citing unresponsive software and unnecessary calendar linking complications. [ See 1 mentions ](https://www.g2.com/products/onecal/reviews?filters%5Bsentiment_snippet%5D=2262605&qs=pros-and-cons#reviews) See Related User Reviews ![Verified User](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User") U Verified User Small-Business (50 or fewer emp.) 0.0/5 "Expensive, slow, and clunky" What do you dislike about OneCal? The price for the unresponsive software that I have to repeatedly unlink and relink my calendars. I have separate calendars for it to integrate to and ##### 5. Scheduling Issues Users face **scheduling issues** with OneCal's booking feature, affecting their overall experience and usage effectiveness. [ See 1 mentions ](https://www.g2.com/products/onecal/reviews?filters%5Bsentiment_snippet%5D=1920294&qs=pros-and-cons#reviews) See Related User Reviews ![Sean C.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Sean C.") SC Sean C. Small-Business (50 or fewer emp.) 5.0/5 "Solves scheduling conflicts across clients" What do you dislike about OneCal? Updated May 2026: While neither of these features has been added, I've found that I haven't used them enough in Calendly to justify the extra service. ## Top-Rated Alternatives [ ![Calendly](https://images.g2crowd.com/uploads/product/hd_favicon/343c035a7260980d39f06b595d89f2cb/calendly.svg "Calendly") Calendly 4.7/5(2,646) ](https://www.g2.com/products/calendly/reviews) [ ![Google Workspace](https://images.g2crowd.com/uploads/product/hd_favicon/16b55d7b1aa594a1a78d8ec91ebbca79/google-workspace.svg "Google Workspace") Google Workspace 4.6/5(48,165) ](https://www.g2.com/products/google-workspace/reviews) [ ![Microsoft Outlook](https://images.g2crowd.com/uploads/product/hd_favicon/5c440ee40ed0f9d1e1c0575dbdd12898/microsoft-outlook.png "Microsoft Outlook") Microsoft Outlook 4.5/5(3,520) ](https://www.g2.com/products/microsoft-outlook/reviews) [ View All Alternatives ](https://www.g2.com/products/onecal/competitors/alternatives) ![Hamish L.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Hamish L.") HL Hamish L. Photographer Small-Business (50 or fewer emp.) 5/6/2026 "Clean, Fast, and Great Value with Evolving Features" 5/5 What do you like best about OneCal? The clean layout and constantly evolving features make it really easy to navigate and great value. It has good integrations with other websites and really quick to load as well. It's made my ROI really high and works great. Review collected by and hosted on G2.com. What do you dislike about OneCal? There's nothing I dislike, it would be cool to have some AI integrations with things but it not at all necessary Review collected by and hosted on G2.com. What problems is OneCal solving and how is that benefiting you? The ability to be able to book in and show clients my availability, it saves me emails. The initial setup process was easy and definitely helped to make sense of things. It's great that I can brand it too. Review collected by and hosted on G2.com. Show More Current UserValidated ReviewerSource: Organic TS Tone S. owner Small-Business (50 or fewer emp.) 8/2/2026 Business partner of the seller or seller's competitor, not included in G2 scores. "Single Calendar View with Smart Free/Busy Sharing" 5/5 What do you like best about OneCal? I love that it provides a single calendar view and that it has the option to only share free/busy info across calendars. Review collected by and hosted on G2.com. What do you dislike about OneCal? nothing, really! The price seems a little high, but yet it's still well-worth the investment. Review collected by and hosted on G2.com. What problems is OneCal solving and how is that benefiting you? It allows me to share only free/busy info across multiple calendars. this is important due to contractual limitations. Review collected by and hosted on G2.com. Show More Current UserValidated ReviewerSource: Organic ![Karine J.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Karine J.") KJ Karine J. Propriétaire Small-Business (50 or fewer emp.) 5/6/2026 "Easy Cross-Platform Sync with a Great UX" 4.5/5 What do you like best about OneCal? It’s easy to set up synchronization, it works well across multiple platforms, and the UX design is great. Review collected by and hosted on G2.com. What do you dislike about OneCal? Calendars don’t always sync in real time between them, so I have to trigger the sync manually. Also, we can’t add a buffer to the sync, which is a must-have and something the team really needs to work on. Review collected by and hosted on G2.com. What problems is OneCal solving and how is that benefiting you? I didn’t report any issues to the team, so there wasn’t really a solution provided on their side. I did mention the buffer time in sync; it isn’t on the roadmap right now, but they were encouraging about the feedback. Review collected by and hosted on G2.com. Show More Current UserValidated ReviewerSource: Organic ![Reilly M.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Reilly M.") RM Reilly M. Quality Assurance and Control Technician Small-Business (50 or fewer emp.) 5/15/2026 "Effortless Calendar Sync for Freelancers" 5/5 What do you like best about OneCal? I use OneCal for calendar sync as a freelancer with multiple calendars, and I love that it's quick, efficient, and keeps my calendars all in one place. It's very easy to set up and use, which makes it a great tool for managing my schedule. One of the big benefits is that it allows all my teams to see up-to-date calendar times, keeping everyone aligned. Review collected by and hosted on G2.com. What do you dislike about OneCal? When looking at all my calendars at once, I see 4 events each. On mobile, especially if I have an all-day event, I see 4 events for 'busy', then I have to click and see the actual event. Review collected by and hosted on G2.com. What problems is OneCal solving and how is that benefiting you? I use OneCal for calendar sync, allowing all my teams to see up-to-date calendar times. It's quick, efficient, and keeps my calendars all in one place. Review collected by and hosted on G2.com. Show More Validated ReviewerSource: Organic ![Verified User in Oil & Energy](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Oil & Energy") CO Verified User in Oil & Energy Small-Business (50 or fewer emp.) 5/7/2026 "Onecal Made Calendar Sharing Across Accounts Effortless for Our Family" 5/5 What do you like best about OneCal? Onecal is simple to set up accross your accounts. It immediately starts sharing your calendars across all your chosen calendar apps. Prior to this, I had constant problems trying to overlap my work and personal timetables. Our family just couldn't find one source of the truth for all the activities we were doing. Onecal solved this for us, and we have never looked back. Review collected by and hosted on G2.com. What do you dislike about OneCal? I don't, once it is set up, it stays in the background doing exactly what I need it to do. It just works. Review collected by and hosted on G2.com. What problems is OneCal solving and how is that benefiting you? If you have multiple calendars but can’t bring them all into one place to see everything in a single program, this software does that for you. You simply tell it which calendars you want reflected in the master calendar, and it takes it from there. Review collected by and hosted on G2.com. Show More Current UserValidated ReviewerSource: Organic ![Matt W.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Matt W.") MW Matt W. CEO / Founder Computer Software Small-Business (50 or fewer emp.) 6/16/2026 "Effortless Sync Across Calendars, Saves Time" 5/5 What do you like best about OneCal? I really like how OneCal is completely effortless, and it has stopped double and triple booking between my calendars. Setting it up was very easy, and most of the time, it just works effortlessly. Review collected by and hosted on G2.com. What do you dislike about OneCal? Every once in a while, and I mean like every few months, I have to go in and manually rerun the sync between the calendars. But it's almost unnoticeable. Most of the time, it just works effortlessly. Review collected by and hosted on G2.com. What problems is OneCal solving and how is that benefiting you? I use OneCal to sync multiple Google calendars for each client and my personal one. It solves my scheduling conflicts by seamlessly syncing events, preventing double bookings. It's completely effortless and has stopped double and triple bookings between my calendars. Review collected by and hosted on G2.com. Show More Validated ReviewerSource: Organic ![Chris R.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Chris R.") CR Chris R. Chief Operating Officer Food & Beverages Small-Business (50 or fewer emp.) 5/5/2026 "Effortless Multi-Calendar Sync That Prevents Overbooking" 5/5 What do you like best about OneCal? OneCal makes it easy to manage multiple calendars across different accounts while preventing me from overbooking. OneCal's focus on calendar synchronization makes it extremely easy to use, and the service is reliable beyond belief at a reasonable price. Review collected by and hosted on G2.com. What do you dislike about OneCal? I have used many competing products and have not found anything to dislike about OneCal. Review collected by and hosted on G2.com. What problems is OneCal solving and how is that benefiting you? When I create meeting links for different calendars, I no longer have to worry about double-booking or manually blocking time out on other calendars. I can also see everything in OneCal's app to stay on top of everything! Review collected by and hosted on G2.com. Show More Current UserValidated ReviewerSource: Organic ![Arek J.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Arek J.") AJ Arek J. Country IT and Digital Lead | IT Director Information Technology and Services Small-Business (50 or fewer emp.) 5/5/2026 "Seamless Multi-Calendar Sync That Just Works" 5/5 What do you like best about OneCal? I really like OneCal for its seamless experience and the fact it just works. I appreciate how it allows multi-to-multi calendar synchronization, making it possible to synchronize my work, private, and business calendars effectively. I also find the initial setup to be quick and easy, which is a huge plus. After trying multiple calendar tools, OneCal is the first one that actually works for me. Seeing events from my unshareable work O365 calendar, in my private Google Calendar, also makes a big difference. Review collected by and hosted on G2.com. What do you dislike about OneCal? synchronization of updated events is sometimes bumpy. Review collected by and hosted on G2.com. What problems is OneCal solving and how is that benefiting you? OneCal synchronizes my work, private, and business calendars. It lets me see events from my work O365 calendar in my private Google calendar. It offers a seamless experience and effective multi-to-multi calendar synchronization. Review collected by and hosted on G2.com. Show More Validated ReviewerSource: Organic ![Simone C.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Simone C.") SC Simone C. Agente di commercio professionista Small-Business (50 or fewer emp.) 6/1/2026 "A proxy between accounts for simple synchronization without duplicates" 5/5 What do you like best about OneCal? The application functions as a Proxy between the connected accounts, allowing me to "play" with synchronizations without having to worry about creating duplicates or leaving traces between old and new settings. Priceless in my opinion. Review collected by and hosted on G2.com. What do you dislike about OneCal? Currently, it does not integrate the management of Outlook categories (microsoft365), so it is not possible to choose the colors of events copied to Outlook. On the Windows app/OWA side, the default is gray, and on the Android app side, it is the same as the calendar... not always easy to recognize "on the fly" compared to work appointments. Review collected by and hosted on G2.com. What problems is OneCal solving and how is that benefiting you? For work, I use the Microsoft environment; for private life, I use the Google environment. I have been looking for calendar integration without issues and at a reasonable price for a long time. Review collected by and hosted on G2.com. Show More Validated ReviewerSource: OrganicAI Translated ![Ken D.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Ken D.") KD Ken D. Business owner Small-Business (50 or fewer emp.) 7/19/2026 "Multi Calendar Sync with Handy Color-Coding" 5/5 What do you like best about OneCal? I love being able to sync multiple calendars into one and the ability to color code appointments based on which calendar they’re associated with. Review collected by and hosted on G2.com. What do you dislike about OneCal? I haven’t found anything to dislike, that’s why I subscribed. Review collected by and hosted on G2.com. What problems is OneCal solving and how is that benefiting you? Syncing multiple calendars to one and being able to classify each by color. Review collected by and hosted on G2.com. 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