Proton Calendar
7.7#45 in calendar appsFree planFree planAndroidiOS
VisitProton Calendar vs Twake Calendar
Twake Calendar
9.0#4 in calendar appsFrom €4 a monthAndroidiOSWebAPI
VisitWhat both publish
| Fact | Proton Calendar | Twake Calendar |
|---|---|---|
| Calendar sync | one_way | Twake Calendar supports CalDAV and importing or exporting calendars in iCalendar (.ics) format. |
| Founded | 2014 | 2000 |
| Free plan | Yes | Yes |
| Headquarters | Plan-les-Ouates, Geneva, Switzerland | Issy-les-Moulineaux, France |
| Mobile apps | ios and android | ios and android |
| Scheduling links | Yes | Yes |
Proton Calendar plans
- FreeFree
- Mail Plus—
- Unlimited—
- PaidPriced on request
Twake Calendar plans
- Standard€4 a month
- Premium€12 a month
- Starter€9 a month
- Discover—
- For companiesPriced on request
Pick Proton Calendar if…
It suits people who want calendar apps on Android or iOS and value encryption for event details. The free plan may fit users who need no more than three calendars, while paid Proton Mail subscribers have a higher calendar limit and additional sharing features.
Pick Twake Calendar if…
Twake Calendar suits teams and organizations that need shared scheduling, meeting coordination, or delegated calendar management. It may be a fit for organizations that want to self-host and retain control over infrastructure and data.