fertilityos

No app store needed

Keep it one tap away.

FertilityOS runs in your browser. Adding it to your home screen gives you the same full-screen app, without a download.

iPhone & iPad

  1. 1Open fertilityos in Safari on your iPhone or iPad.
  2. 2Tap the Share button at the bottom of the screen.
  3. 3Scroll down and tap Add to Home Screen.
  4. 4Tap Add. FertilityOS now opens like any other app.

Android

  1. 1Open fertilityos in Chrome.
  2. 2Tap the three-dot menu, top right.
  3. 3Tap Install app, or Add to Home screen.
  4. 4Confirm. FertilityOS now opens like any other app.
Use FertilityOS in your browser — free
Terms of ServicePrivacy & Data Collection Notice© 2026 Simtail Group. FertilityOS is not a substitute for medical advice.