fast—ing
Mindful Intermittent Fasting
₱ 129.00 · Designed for iPad. Not verified for macOS.
Mindful intermittent fasting.
No stats, no pressure.
fast—ing calmly guides you through your fasting window and shows you which phase you're in.
Mindful intermittent fasting
Glad you're here. fast—ing is your calm companion for intermittent fasting.
Simple, unhurried, and free of pressure.
This app is intentionally minimal: it's essentially a stopwatch for your fasting window. No statistics, no analytics, no judgment of your behavior. Just you, your body, and the present moment.
THE PHASES OF YOUR FAST
While fasting, your body moves through different stages — from blood sugar stabilization to fat burning and autophagy. fast—ing shows you where you are:
• Fasting start – the beginning of your fasting window
• Insulin (approx. 4 hours) – your insulin level begins to drop
• Blood sugar (approx. 8 hours) – your blood sugar stabilizes
• Fat burning (approx. 10 hours) – your body draws energy from fat reserves
• Ketosis (approx. 12 hours) – ketones become an energy source
• Autophagy (approx. 14 hours) – cellular recycling, a biological spring cleaning
• 16 hours – deep in autophagy
• 23 hours – your body remains in autophagy
The times shown are guidelines for orientation. When your body actually transitions from one phase to the next depends on many factors: what you last ate, how active you are, how your metabolism works, and your individual traits. Transitions are gradual, not abrupt.
EASY TO USE
• Tap "I'm starting to fast now" to begin your fasting window
• Tap "I've eaten something" when you eat again
• See at a glance how long you've been fasting and which phase you're in
• Use the widget to keep an eye on your status right from the home screen
WHAT THIS APP IS NOT
Every body is different. The phases and times shown are approximate. They are neither a promise nor a benchmark.
Intermittent fasting isn't suitable for everyone, and that's perfectly fine. It's also fine not to fast today, or to stop altogether. Listen to your body and to yourself.
Please inform yourself independently or speak with your medical professional about this topic. This app is not medical advice and does not replace a qualified professional.
If you feel you have a difficult relationship with food or are struggling with an eating disorder, please be kind to yourself and consider not using this app. Your health comes first.
WHO IS THIS APP FOR?
For anyone who wants to approach intermittent fasting mindfully and without performance pressure. For people looking for a calm, clear app. No tracking compulsion, no gamification, no distractions.
Start now, at your own pace.
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
Apple Watch complications are better readable when tinted.
The developer, Rene Jossen, 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.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Rene Jossen
- Size
- 46.9 MB
- Category
- Food & Drink
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - iPad
Requires iPadOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.0 or later. - Apple Watch
Requires watchOS 26.0 or later.
- iPhone
- Languages
English and 2 more
- English, German, Spanish
- Age Rating
9+
- 9+
- Contains
Health or Wellness Topics
- Copyright
- © René Jossen
