Sync your calendars,
avoid meeting conflicts
OneCal syncs Outlook and Google Calendars in real-time, helps avoid meeting conflicts,
saves time, and keeps your personal life private.
loved by 1000+ customers
Supported Calendar Providers
Google Calendar
Learn More →
Microsoft Outlook
Learn More →Seamless Outlook and Google Calendar sync
Privacy focused Calendar sync
OneCal provides a privacy-centric Outlook and Google Calendar sync setup that allows customizing how events are replicated across your calendars. Whether you prefer excluding the event titles or displaying specific information, OneCal gives you complete control over the level of detail shown.
Sync multiple calendars in
real-time, effortlessly
With OneCal, you can sync multiple Outlook and Google Calendars in one go. Just select the calendars you want to keep in sync, and OneCal handles the rest effortlessly.
Intuitive Booking links
Effortlessly manage your appointments, meetings, and events with our user-friendly booking links. Say goodbye to tedious back-and-forth communication and confusion.
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Calendar View
With Calendar View you can view Outlook and Google Calendars in one view, hide clones created by OneCal Calendar Sync, join meetings and much more.
Privacy Focused
We value your privacy
Our mission is to help you reflect your real availability across multiple calendars, not sneaking into your personal data.
- Secure Access to your Calendars
OneCal connects to Google using secure OAuth connections such that we never see or store users Google passwords. You can revoke the access at any time.
- Minimum Permissions Required
OneCal only requests read and write access to your calendars for the purpose of synchronising your calendars. We won't jeopardize your calendars.
- No data stored
We don't store any calendar event data. We don't analyze any event data. We don't sell or monetize any data.
users love onecal
Trusted by thousands of professionals
"Having multiple calendars has always been a pain. Missed invitations and unclear availability made managing schedules a nightmare. Thanks to OneCal, my team and I are always on the same page, and scheduling meetings is a breeze. "
"Managing multiple calendars is frustrating. I've tried other calendar syncing solutions and many of them cause massive duplicates, have a horrible UX, or are way too expensive.
OneCal is a perfect blend of everything making managing multiple calendars easy and cost-effective. I highly recommend it."
"Your UI is just so much better than the other platforms I've tried!"
"I love the tool so far and will happily be an evangelist for you all!"
"I have been using OneCal to manage my multiple calendars, and I must say I'm impressed. The UI is sleek and intuitive, making it easy to navigate and manage events across different calendars. The syncing is also very reliable, and I never had any issues with events missing or duplicated. When I did have questions, Onecal's customer support team was prompt and helpful. Overall, I highly recommend Onecal for anyone looking for a powerful yet user-friendly calendar management tool."
"You have such a beautiful and well-designed UI for an app I plan on setting and forgetting! lol"
"OneCal is a great tool that's getting greater every day thanks to an exceptionally responsive and capable development team. The UX of this tool and its actual abilities are fantastic. As a consultant, I have multiple clients with calendars I need to sync. This tool does it better than any other I've seen!"
"Far too often I've had to send the message: 'Sorry, I know my calendar looks open at that time but I actually have a conflict.'! This is going to take a lot of manual scheduling effort off my hands so I can stay focused on the real work!"
"I've been using OneCal for a couple of months now, very easy to use, the synchronization process is fast and very intuitive. I would say the best product for synchronizing calendars that I've used so far. Great work guys 🙌"
"As a contracting firm, we need to maintain independent calendars for all our clients with a unified Master Calendar to book our consultant's schedule in real-time. Maintaining these manually was an impossible task. We tried several solutions from different sync products but no one got is right until we found OneCal. Great product, easy to set up but what really brought it home was the technical support. Support staff helped us understand the best way to set things up to get exactly the end result we needed."
"I've just signed up and it's been what I've been looking for a while."
Seemlesly manage multiple calendars
We don't ask that you change how you work. We only aim to make it simpler. OneCal provides all the tools to make working with multiple calendars a breeze.
Real-Time Updates
Your calendars are automatically updated in real-time as the original events change or new events are added.
Multi-Way Syncs
Choose from one-way or multi-way syncs between 2 or more calendars. Set up once and forget.
Team Plans
We offer team plans for your whole organisation to start using OneCal and sync their calendars.
Fully Configurable
OneCal provides all the necessary tools to easily configure exactly what you want to sync over. No more, no less.
Privacy Focused
We only store the data we absolutely need to perform the sync. No data about your events is stored in our systems.
Simple Interface
No need for extensive doc pages. Everything is clearly explained and good defaults are provided out of the box.
Frequently asked questions
Ready to sync your Calendars?
Reflecting your availability across multiple calendars is tedious and time-consuming. OneCal was created with a mission to give peace of mind to calendar users.