Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Android
- Android Tablet
- F-Droid




ICSx5 is described as 'Android app to subscribe to remote or local iCalendar files (like time tables of your school/university or event files of your sports team)' and is an app in the office & productivity category. There are six alternatives to ICSx5 for a variety of platforms, including Windows, Android, iPhone, Linux and Web-based apps. The best ICSx5 alternative is DAVx5, which is both free and Open Source. Other great apps like ICSx5 are fruux, EteSync, GO Contact Sync Mod and OggSync.




fruux is a free service that takes care of your contacts, calendars and more so you don't have to. Never manually copy contacts and calenders between your devices again!

Secure, end-to-end encrypted, and privacy respecting sync for your contacts, calendars and tasks. Everything is encrypted on the client-side and all the code (client and server) is open source.




GO Contact Sync Mod is an open source tool to synchronize your Microsoft Outlook contacts with Google Mail. With this tool you do not need to enter your contact details more than once, always have the latest version everywhere: in Outlook and in Google.

OggSync’s mission is to keep mobile users in sync with the scheduling demands of a busy lifestyle, keeping all calendars in one manageable view! Whether it is a users’ Google or Outlook calendar, OggSync syncs to a users mobile phone quickly and automatically, allowing users see...

A privacy-focused Android application for synchronizing calendars and contacts using CalDAV and CardDAV protocols. Built with Jetpack Compose and Material 3 design.



