Quick answer
Subscribe to Webcal (.ics) calendars
ICSx⁵ allows you to add/subscribe and manage external (Webcal) and local (i.e. Dropbox, adb push etc) iCalendar/.ics files on your Android device.
Add high days and holidays, your sports teams events, time tables of your school/university or any other event files that come in ics/ical format. The app will import these events for you and displays it in your favorite calendar app on your Android – it integrates seamlessly into your device.
* Subscribe to Webcal feeds (= synchronize at regular intervals) e.g. shared calendars from icloud.com * Subscribe to local .ics (iCalendar) calendar files * Allows to open webcal:// and webcals:// URLs, e.g. from your Web browser * Seamless integration to other calendar apps * Set a sync schedule * Intelligent update checker to save bandwidth * Authentication and HTTPS supported
How to install
- Download the APK from the button at the top of this page.
- Allow “Install unknown apps” for your browser or file manager only, not for every app.
- Open the downloaded file and confirm the installation.
- If installation fails with “App not installed,” remove an earlier build of the same app first. A signature conflict is the usual cause.
Data safety
- Every file is checked against its published SHA-256 before it is listed.
- Files are scanned for malware on every update.
- The permissions each app requests are listed on its own page.
- Read the full safety policy for how we test, flag, and delist files.
Frequently asked questions
What is ICSx⁵?
Subscribe to Webcal (.ics) calendars
Who develops ICSx⁵?
ICSx⁵ is developed by bitfire web engineering.
Which Android version does ICSx⁵ require?
ICSx⁵ requires Android API 23 or later.
What is the current version of ICSx⁵?
The synchronized F-Droid version is 2.4.3.
Which license does ICSx⁵ use?
The signed F-Droid metadata lists GPL-3.0-only.
Where is the source code for ICSx⁵?
https://github.com/bitfireAT/icsx5
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