Fenster

Fasting timer & tracker

Free · In‑App Purchases · Designed for iPad

Fenster is a fasting timer and tracker that keeps things simple: start a fast, see time left, log when you’re done. No account, no sign-up—your data stays on your device. TRACK YOUR FASTS • Choose your window (16:8 free; 12:12, 14:10, 18:6, 20:4, and custom with Premium) • See time remaining and fasting stages (fed, fat burn, autophagy, etc.) • Add notes when you finish a fast • Full history with calendar and session cards STAY ON SCHEDULE • Daily reminder to start your fast (set your own time) • Optional stage notifications at key milestones (Premium) • Gentle follow-up if you miss a fast (Premium) YOUR DATA, YOUR DEVICE • Everything stored locally—no cloud account required • Export your history as CSV (Premium) • Privacy-first: we don’t collect your personal information MORE WITH PREMIUM Unlock all fasting plans (including custom hours), full statistics and milestones, CSV export, stage reminders, and gentle follow-ups. Monthly, yearly, or one-time lifetime—choose what fits you. WIDGET See time left or “Fasting done” on your home screen. Tap to open Fenster. DESIGNED FOR FOCUS Clean, dark interface so the timer is easy to read day or night. Built for people who want to track intermittent fasting without extra clutter. Download Fenster and start your next fast in seconds.

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The developer, Rajesh Budhiraja, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    • Seller
      • Rajesh Budhiraja
    • Size
      • 8.6 MB
    • Category
      • Health & Fitness
    • Compatibility
      Requires iOS 26.2 or later.
      • iPhone
        Requires iOS 26.2 or later.
      • iPad
        Requires iPadOS 26.2 or later.
      • Mac
        Requires macOS 26.2 or later and a Mac with Apple M1 chip or later.
      • Apple Vision
        Requires visionOS 26.2 or later.
    • Languages
      • English
    • Age Rating
      4+
    • In-App Purchases
      Yes
      • Premium Lifetime $69.99
      • Premium Monthly $4.99
      • Premium Yearly $39.99
      • Learn More
    • Copyright
      • © 2026 Rajesh Budhiraja
  • Privacy Policy

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