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KashCal

All your calendars in one app. iCloud, CalDAV, holidays, birthdays. Private.
All your calendars. One app.

Your calendars are everywhere. Family stuff on iCloud. Holidays from some website. Birthdays buried in your contacts. Work on Nextcloud. KashCal brings them together on your Android.

Your schedule, together

• iCloud: Switched to Android but your family is still on Apple? Sync with iCloud calendars directly. No workaround needed.
• CalDAV: Nextcloud, Radicale, Baïkal, Stalwart, FastMail, Zoho, and more. Native sync, no middleware.
• Device calendar: See events from your phone's built-in calendar alongside everything else.
• Holidays & schedules: Subscribe to any ICS calendar. Holidays, school schedules, sports seasons.
• Birthdays: Pulls from your contacts automatically.
• Local: Don't need sync? Works fully offline out of the box.

Material You with dynamic theming. Home screen widgets. Full-text search across all events. Per-event timezone for travel.

Private by default

No analytics. No telemetry. No KashCal account. Your data stays on your device unless you set up sync yourself.

• Encrypted credentials (AES-256-GCM)
• Fort Knox Mode: other apps can't read your events
• HTTPS only, no WebViews, minimal permissions
• Open source: fully auditable

Website: https://kashcal.github.io

Source code: https://github.com/KashCal/KashCal

Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

Download F-Droid
  • Version 23.1.2 (411) suggested Added on Feb 22, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 8.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "dataSync"
      Allows the app to make use of foreground services with the type "dataSync"
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • show notifications
      Allows the app to show notifications
    • Read calendar events and details
      This app can read all calendar events stored on your phone and share or save your calendar data.
    • read your contacts
      Allows the app to read data about your contacts stored on your phone. Apps will also have access to the accounts on your phone that have created contacts. This may include accounts created by apps you have installed. This permission allows apps to save your contact data, and malicious apps may share contact data without your knowledge.
    • run at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
    • Schedule alarms or event reminders
      This app can schedule actions like alarms and reminders to notify you at a desired time in the future.
    • control vibration
      Allows the app to control the vibrator.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • org.onekash.kashcal.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 13 MiB PGP Signature | Build Log

  • Version 23.1.1 (410) - Added on Feb 21, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 8.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "dataSync"
      Allows the app to make use of foreground services with the type "dataSync"
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • show notifications
      Allows the app to show notifications
    • Read calendar events and details
      This app can read all calendar events stored on your phone and share or save your calendar data.
    • read your contacts
      Allows the app to read data about your contacts stored on your phone. Apps will also have access to the accounts on your phone that have created contacts. This may include accounts created by apps you have installed. This permission allows apps to save your contact data, and malicious apps may share contact data without your knowledge.
    • run at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
    • Schedule alarms or event reminders
      This app can schedule actions like alarms and reminders to notify you at a desired time in the future.
    • control vibration
      Allows the app to control the vibrator.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • org.onekash.kashcal.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 13 MiB PGP Signature | Build Log

  • 23.0.0N23.0.0e23.0.0w23.0.0 23.0.0i23.0.0n23.0.0 23.0.0v23.0.0e23.0.0r23.0.0s23.0.0i23.0.0o23.0.0n23.0.0 23.0.0{23.0.0{23.0.0 23.0.0l23.0.0a23.0.0t23.0.0e23.0.0s23.0.0t23.0.0_23.0.0v23.0.0e23.0.0r23.0.0s23.0.0i23.0.0o23.0.0n23.0.0 23.0.0}23.0.0}23.0.0
    v23.0.0

    What's New:
    - Device Calendar Integration: See your phone's calendar in KashCal alongside iCloud, CalDAV, and ICS
    - Zoho CalDAV: Zoho calendar verified working
    - Multi-Home-Set: Support for CalDAV servers with multiple calendar-home-set URLs

    Plus many bug fixes and performance improvements.
  • Version 23.0.0 (408) - Added on Feb 19, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 8.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "dataSync"
      Allows the app to make use of foreground services with the type "dataSync"
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • show notifications
      Allows the app to show notifications
    • Read calendar events and details
      This app can read all calendar events stored on your phone and share or save your calendar data.
    • read your contacts
      Allows the app to read data about your contacts stored on your phone. Apps will also have access to the accounts on your phone that have created contacts. This may include accounts created by apps you have installed. This permission allows apps to save your contact data, and malicious apps may share contact data without your knowledge.
    • run at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
    • Schedule alarms or event reminders
      This app can schedule actions like alarms and reminders to notify you at a desired time in the future.
    • control vibration
      Allows the app to control the vibrator.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • org.onekash.kashcal.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 13 MiB PGP Signature | Build Log