ICSx⁵

ICSx⁵

Subscribe to Webcal (.ics) calendars

bitfire web engineering Calendar & Agenda

Description

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

Versions

Version Date Size Requires Android Download
2.4.3 current
64eca16131b45c50…
2025-12-18 15 MB API 23
2.4.2
1cb7124cf0b20934…
2025-09-20 15 MB API 23
2.4.0
fedcf8d06a3c759d…
2025-09-08 16 MB API 23

Permissions

What the app asks the system for. Android only grants sensitive access after you confirm it.

  • Internet accessSend and receive data over the internet.
  • NotificationsShow notifications.
  • REQUEST_IGNORE_BATTERY_OPTIMIZATIONS
  • AUTHENTICATE_ACCOUNTS
  • Accounts on the deviceRead the list of configured accounts.
  • Sync settingsRead synchronisation settings.
  • Change syncTurn synchronisation on and off.
  • READ_SYNC_STATS
Show 7 more permissions
  • Run at startupStart automatically after the device is switched on.
  • Read calendarRead appointments.
  • Change calendarCreate and change appointments.
  • Prevent sleepingKeep the device from going to sleep.
  • Network stateCheck whether and how the device is connected.
  • Foreground serviceKeep running in the background, visible in the status bar.
  • icsdroid.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

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