
About
This app provides a dedicated timer for extended fasting periods, focusing on tracking metabolic body phases and personal fasting streaks. It offers detailed insights into your fasting journey without calorie counting or social features.
What's New in DeepFast
1.0.6
July 19, 2026
Bugfix
Subscription plans
Premium Annual
Best value: yearly fasting tools. Save 40%. Ad-free.
User reviews
Developer apps
FAQ
What is DeepFast?
DeepFast is a fasting timer designed for serious fasters, focusing on tracking metabolic body phases and personal fasting streaks. It offers presets for OMAD, Warrior Diet, and extended fasts up to 7 days.
Does DeepFast have ads?
No, DeepFast is ad-free. It prioritizes user privacy with all data stored locally on the device and no cloud servers or analytics.
How much does DeepFast cost?
DeepFast offers Monthly ($7.99/month) and Annual ($49.99/year) subscriptions. These subscriptions auto-renew unless cancelled at least 24 hours before the end of the billing period.
What body phases does DeepFast track?
DeepFast tracks metabolic body phases including Fed State, Early Fasting, Fat Burning, Ketosis, Deep Ketosis, Autophagy, Deep Autophagy, and Extended. Each phase has science-backed descriptions.
Can I sync my weight with DeepFast?
Yes, you can log your weight manually or sync it from Apple Health. The app provides a trend chart with a 7-day moving average and tracks total change and weekly progress.
What devices does DeepFast support?
DeepFast is available on iPhone and iPad. It requires iOS 16.0 or later and is compatible with Apple Watch.
How often is DeepFast updated?
The latest version, 1.0.5, was released on June 29, 2026. The app was initially released on April 23, 2026, indicating a relatively frequent update schedule.
What is the age rating for DeepFast?
DeepFast has an age rating of 4+. This indicates it is suitable for children and adults, with no mature content.


