Fossify Calendar
Open-source, ad-free Android calendar that keeps events on your device without internet access.
- Verified facts
- 4 of 4
- Alternatives ranked
- 4
- Approved reviews
- 0
- Visits sent from here
- 0
About Fossify Calendar
Fossify Calendar is part of Fossify, a community project that continues the popular Simple Mobile Tools apps as open-source software after the originals were sold. It is a privacy-focused Android calendar with day, week, month, year and event-list views, recurring events, reminders, holidays, birthdays and anniversaries pulled from contacts, import and export of calendar files, and customisable home-screen widgets. The app does not request Android's internet permission, so it cannot send your data anywhere; if you want sync, it reads and writes calendars from accounts set up on the device, such as Google or a CalDAV provider through DAVx5, and Fossify itself runs no sync service. It is free and ad-free, with source code, licences and releases published openly, and it is available from the major Android app stores. It is Android-only and has no web or desktop version, and the interface favours function over polish, but it is one of the best options for people who want a trustworthy local calendar on their phone.
Best for: Android users who want an open-source, ad-free calendar that never touches the internet.
Pros and cons
What works
- No internet permission, so data stays on the device
- Open source and ad-free
- Works with any sync account configured on the phone
Why people leave
- Android only
- No built-in sync service
- Plain interface
Top Fossify Calendar alternatives
See all 4- 1
Proton Calendar66.5Encrypted cloud sync across devices if you need more than a local calendar.
- 2
Tuta Calendar62.6Encrypted calendar with an APK available outside Google Play.
- 3
Google Calendar59.6Seamless sync and sharing, at the cost of privacy.
- 4
KOrganizer57.2Open-source desktop calendar for KDE users with CalDAV support.
Why people left Fossify Calendar
In reviewers' own words, from reviews of the apps they moved to. These are their opinions, not ours.
No switching stories yet. If you moved away from Fossify Calendar, review the app you switched to and tell us why.
Reviews
No approved reviews yet. How we verify reviewers
Write a review of Fossify Calendar
Fossify Calendar: common questions
Is Fossify Calendar free?
Yes. Fossify Calendar is free, open-source software.
Is Fossify Calendar open source?
Yes. The source code is on GitHub at FossifyOrg/Calendar.
What platforms does Fossify Calendar run on?
Fossify Calendar is available for Android.
What are the best alternatives to Fossify Calendar?
The highest-ranked Fossify Calendar alternatives right now are Proton Calendar, Tuta Calendar and Google Calendar. See the full ranked list for pricing, platforms and verified facts.