Join the Beta

Get early access and help us build the best cycle tracking app

iOS

TestFlight
  1. 1
    Install TestFlight

    Download TestFlight from the App Store if you don't have it yet.

  2. 2
    Open the invite link

    Tap the button below to open the TestFlight invite.

  3. 3
    Accept & Install

    Tap "Accept" in TestFlight, then "Install" to get Cythr on your device.

Join TestFlight

Android

Google Play
  1. 1
    Join the testing group

    Join our Google Group — this is required by Google to access the beta.

  2. 2
    Accept the testing invite

    Open the testing program and opt in.

  3. 3
    Install from Google Play

    Open the Cythr store page and install the app.

Coming soon

Waiting for Google to approve our developer account. Use TestFlight or APK in the meantime.

Android (APK)

Direct install
  1. 1
    Allow installs from this source

    When your browser warns you, tap 'Settings' and enable 'Allow from this source' (or 'Install unknown apps').

  2. 2
    Download the APK

    Tap the button below to save the signed APK file to your device.

  3. 3
    Install the app

    Open the downloaded .apk from your Downloads folder or the notification, then tap 'Install'.

Download APK