Burn Fasting

Tracker, Timer, 16:8 & OMAD

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Private by design. No account, no ads, no tracking, just the cleanest fasting timer on iPhone. Start your first fast in seconds and watch your body transform. Burn. The private intermittent fasting tracker. No account. No ads. No sign-up. Just fasting, done properly. Start your first fast in seconds and watch your body transform through every biological stage — from Fed to Autophagy. YOUR BODY. YOUR DATA. Burn collects nothing and requires no sign-up. Your fasting history stays on your device, always. No email, no analytics, no noise. EVERY STAGE, TRACKED IN REAL TIME Time any fasting protocol — 16:8, 18:6, 20:4, OMAD, or a custom window. Burn shows you exactly where your body is at every hour of your fast: - Fed — your body processes your last meal - Catabolic — insulin drops and fat burning begins - Fat Burning — your body switches to stored fat as fuel - Ketosis — deep fat oxidation and mental clarity - Autophagy — cellular repair and regeneration Understand what your body is doing. Stay motivated. Get results. BODY SCORE A single number that reflects your fasting consistency and physical progress — a smarter, more complete measure than the scale alone. Log your weight, track your trends, and watch your score climb as your habits compound. BUILT FOR YOUR WHOLE DAY - Apple Watch app — start, stop, and track from your wrist - Home Screen widgets — fasting progress always visible - Lock Screen widgets — check progress without unlocking - Live Activities — your fast on the Dynamic Island - HealthKit sync — fasting integrated with your health records - Streaks and badges — stay consistent, celebrate milestones - Charts and trends — weekly and monthly patterns at a glance - Smart notifications — fast start, stage changes, completion - iCloud backup — never lose your history - Dark mode — easy on the eyes, day or night POPULAR FASTING PROTOCOLS - 16:8 — fast 16 hours, eat within an 8-hour window - 18:6 — extended fasting for accelerated fat loss - 20:4 — advanced protocol for experienced fasters - OMAD (23:1) — one meal a day, maximum benefit - Custom — set any fasting window that fits your life WHY INTERMITTENT FASTING? Intermittent fasting is one of the most effective, natural approaches to fat loss, metabolic health, insulin sensitivity, and longevity. Whether you're fasting to lose weight, trigger autophagy, build mental clarity, or simply rebuild a cleaner relationship with food — Burn gives you the tools to stay on track without the clutter. FREE TO START. PRO FOR MORE. The core fasting timer is completely free, with no usage limits and no pressure. Burn Pro unlocks Body Score, advanced insights, the Apple Watch app, widgets, full history editing, and detailed fasting analytics. Whether you're new to intermittent fasting or a seasoned practitioner looking for a cleaner, faster, more private tool — Burn stays out of your way and lets your results do the talking. Download Burn and start your first fast today.

Ratings & Reviews

  • 3.5
    out of 5
    2 Ratings

Added the ability to edit the start time of an already started fast, the ability to delete a fast, and a beta version of light mode with a toggle in profile view. Squashed some bugs.

Version 1.1.5

The developer, WraithBit, Inc, 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
    • WraithBit, Inc
    Size
    • 22.7 MB
    Category
    • Health & Fitness
    Compatibility
    Requires iOS 18.0 or later.
    • iPhone
      Requires iOS 18.0 or later.
    • iPad
      Requires iPadOS 18.0 or later.
    • Mac
      Requires macOS 15.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 2.0 or later.
    • Apple Watch
      Requires watchOS 11.0 or later.
    Languages
    • English
    Age Rating
    9+
    In-App Purchases
    Yes
    • Burn Pro Annual $29.99
    • Burn Pro Monthly $6.99
    • Learn More
    Copyright
    • © WraithBit, Inc 2026
  • Privacy Policy

    • More by WraithBit, Inc