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About TrueFast

Your time. Your pace. TrueFast is a focused intermittent fasting timer for iPhone, iPad, and Apple Watch. Start a fast, follow your goal, and keep a clear record of your routine. No ads and no separate account required. Core fasting stays free • Start, stop, and edit fasts, with elapsed and remaining time. • Save goals for common fasting plans or choose your own duration. • Keep one active recurring schedule with reminders. • Review your fasting history, streaks, and badges. • Check progress with Home Screen and Lock Screen widgets, Live Activities, and Apple Watch. • Use light or dark appearance and explore fasting phase education. • Keep your records on your device and use the core timer offline. More flexibility with TrueFast Pro Flexible week planning Move or skip one day's fast without changing your recurring routine. Save adjustments for individual dates, let reminders follow the adjusted time, and check for overlapping fasts before saving. Private routine reviews Compare saved planned and recorded start times, and summarize your Easy, Fine, and Hard reflections. Reviews show dates, sample counts, and missing data. Calculations happen on your device, helping you understand your recorded routine without treating missing days as failures. Pro also includes: • Unlimited recurring schedules. • Optional iCloud sync across devices. • Weight tracking with Apple Health. • Advanced charts and CSV export. • Custom accent colors. The new planning and review features are included for existing Pro subscribers and lifetime owners. Core fasting remains free. Pro is available by subscription or as a one-time lifetime purchase; see current options and regional prices in the app. Your routine, your records TrueFast works locally by default. If you enable Pro sync, your records use your private iCloud database. Apple Health integration is optional. In Settings, you can send feedback through an email draft you review before sending; basic app and device diagnostics are optional and off by default. TrueFast is intended for adults. Fasting may not be appropriate for children, teens, pregnant or breastfeeding people, people with a history of eating disorders, or people with certain medical conditions. Consult a qualified healthcare professional before fasting. TrueFast does not provide medical advice, diagnosis, or treatment. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula Privacy Policy: https://gettruefast.com/privacy-policy Support: https://gettruefast.com/support

What’s new

Version 2.0.0 · Updated October 19, 2026

TrueFast 2.0 brings a fresh design and more room for your routine. • A clearer timer, redesigned week planner and history, refined fast details, and a new app icon. • Flexible week planning with Pro: move or skip one day's fast without changing your recurring routine. Saved adjustments include reminders that follow the new time and overlap checks. • Private routine reviews with Pro: compare planned and recorded starts and summarize Easy, Fine, and Hard reflections. See dates, sample counts, and missing data, with calculations performed on-device. • Updated light and dark Settings, plus feedback, review, and help links. Both new Pro features are included for existing subscribers and lifetime owners. Core fasting remains free.

App privacy

The developer, Evan Mattson, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

Alternatives to TrueFast

Looking for apps like TrueFast? Here are 6 similar apps on the App Store. The highest rated is Ember Fasting (5.0/5), and all 6 are free to download.

TrueFast vs. alternatives
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TrueFast 5.0 / 5 (1 rating) Free October 19, 2026
FastLine: Fasting Timer – Free Aug 26, 2026 Compare
Worthy: Intermittent Fasting – Free Jul 27, 2026 Compare
Tend - Fasting & stay hydrated – Free Mar 18, 2026 Compare
Ember Fasting 5.0 / 5 (1) Free Apr 11, 2026 Compare
Fast.io -- Fasting Timer – Free Mar 30, 2026 Compare
Konquo: Running Territory Game – Free Oct 20, 2026 Compare

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