# ONE:Intermittent Fasting — Fast Timer, Protein Tracker > Intermittent fasting timer and tracker with live stages and progress insights. (iPhone/iPad app by Create Rush.) - Source: https://appshunter.io/ios/app/oneintermittent-fasting/id6759722688 (this page in markdown: same URL + `.md`) - Developer: [Create Rush](https://appshunter.io/developer/1880351509) - Category: Health & Fitness, Food & Drink - Price: Free with in-app purchases - Age rating: 17+ - Requires: iOS 15.1 · 42 MB - Languages: American English - Released: 2026-03-10 - Data updated: 2026-08-20 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/oneintermittent-fasting/id6759722688/reviews.md ## What is ONE? Fasting made simple. Start a fast in one tap, watch your body move through each stage, and build the streak that actually changes things. ONE is an intermittent fasting timer and tracker built for people who want the habit, not the homework — a simple fasting app, similar to bodyfast approaches. No account. No clutter. Just the timer, the stages, and your progress. Whether you're starting fasting or already experienced, ONE keeps you consistent — ideal if you're looking for a bodyfast-style fasting experience without the clutter. CHOOSE YOUR PLAN • 12:12, 14:10, 16:8, 18:6, 20:4 and OMAD (23:1) • Flexi mode for open-ended fasts • Difficulty rating on every plan, so you pick one you'll actually keep • Change plan any time — nothing is locked in WATCH WHAT'S HAPPENING • Live fasting stages: blood sugar falling, fat burning, ketosis, autophagy • Know exactly when the next stage arrives • Plain-language explanation of what your body is doing and why STAY ON TRACK • Reminders when your fast starts and ends • End your fast straight from the notification • Fix your start or end time when life happens • Daily streaks that reward consistency, not perfection SEE YOUR PROGRESS • Every fast, logged automatically • Streak calendar and total fasting hours • Weight and water tracking • Weekly and monthly AI summaries that read your data and tell you what changed — and what to try next BUILT TO STAY OUT OF THE WAY • Start fasting in under a minute — no sign-up • Works offline • Optional backup so your history follows you to a new phone ONE Premium unlocks full history, trends, the AI coach, custom plans and cloud backup. The timer itself is free, forever. Medical disclaimer: ONE is for general wellness only and does not provide medical advice. Talk to a qualified healthcare professional before starting any fasting programme, particularly if you are pregnant, breastfeeding, diabetic, under 18, or have a history of disordered eating. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.fastingtime.co/privacy ## Key features - One-tap fasting timer - Live fasting stage tracking - Multiple fasting plan options - Daily streak tracking - Weight and water tracking - AI-powered progress summaries - Offline functionality ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Premium Monthly | $9.99 | per month | | Premium Yearly | $99.99 | per year | | Premium Weekly | $4.99 | per 7 days | | Standard Yearly | $49.99 | per year | | Standard Monthly | $4.99 | per month | | Standard Weekly | $2.99 | per 7 days | ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/oneintermittent-fasting/id6759722688/reviews.md ### 5/5 — Something I was looking for ! Very useful *2026-04-01* I have been using tools to track my intermediate fasting . I saw the app on reddit and tried it . It is as good as it gets ## Frequently asked questions about ONE ### What is the short name for ONE:Intermittent Fasting? The short common name for ONE:Intermittent Fasting is ONE. This is derived by removing the subtitle and colon from the full app name. ### What fasting plans does ONE offer? ONE offers a variety of fasting plans including 12:12, 14:10, 16:8, 18:6, 20:4, and OMAD (23:1). It also includes a Flexi mode for open-ended fasts and difficulty ratings for each plan. ### Does ONE have ads? No, ONE does not have advertisements. The app is designed to be ad-free, focusing on a clean user experience. ### What features are unlocked with ONE Premium? ONE Premium unlocks the full history, advanced trends, the AI coach for personalized insights, custom fasting plans, and cloud backup for your data. ### Can I fix my fasting start or end time in ONE? Yes, ONE allows you to fix your start or end time when life happens. This ensures your tracking remains accurate even if your schedule changes. ### How often is ONE updated? The latest version of ONE is 1.3, which was last updated on August 20, 2026. Updates typically occur to improve features and user experience. ### What is the age rating for ONE? ONE has an age rating of 17+. This is based on its content and is in line with Apple's App Store guidelines for general wellness applications. ### Does ONE provide medical advice? No, ONE is for general wellness only and does not provide medical advice. Users are advised to consult a healthcare professional before starting any fasting program. ## Version history (last 4 releases) ### 1.3 — 2026-08-20 This is ONE, rebuilt. The timer is the home screen now. You open the app and your fast is there — no menu, no setup. PICK A PLAN, NOT A NUMBER • Named plans: 12:12, 14:10, 16:8, 18:6, 20:4, OMAD and Flexi, each with a difficulty rating so you choose one you'll actually keep • The custom timer is free again — set whatever hours suit you • Switch plans whenever you like, and your choice is remembered START IN SECONDS • No sign-up. Your first fast starts while you're still setting up, so you're fasting before you've finished looking around • An account is optional and exists for one reason: your history survives a new phone WATCH THE FAST, NOT THE CLOCK • Live stages as you go — digesting, burning glycogen, fat burning, deep fat burn — with the hours each one covers and a plain-language note on what your body is doing • A Lock Screen Live Activity and a Home Screen widget, so the running fast is there without opening the app • Apple Health, free for everyone AI COACH — ONE Premium • Weekly and monthly reads of your own fasts: what changed, and what to try next • Protein guidance against your target • Every number is worked out on your device. The coach writes the words, never the arithmetic STAY CONSISTENT • Reminders at the halfway mark, shortly before the end, and when the fast completes • Weekly and monthly summaries • Streak, water and protein all on the timer screen ALSO IN THIS UPDATE • Follows your system light or dark theme • Your plan is remembered after the first fast • Signing out actually signs you out, and deleting your account gives you a genuine fresh start • The timer no longer says a fast is running when it isn't • Challenges have been removed • The app no longer asks for camera, microphone or location access — it never needed them ### 1.2 — 2026-04-01 - Fresh new app icon for a cleaner, more polished look - Bug fixes and stability improvements - UI enhancements across the app for a smoother experience ### 1.1 — 2026-03-17 Welcome to Intermittent Fasting - ONE • Personalized fasting plans based on your body stats (BMI, BMR, TDEE) • AI Meal Coach — scan food with your camera for instant nutrition insights • Streak tracking & fasting history to keep you consistent • Challenges to stay motivated • Weight tracking with progress charts • Medical citations added for all health & nutrition information • Performance improvements and bug fixes ### 1.0 — 2026-03-10 No release notes. ## More apps by Create Rush - [T&T: Tanning App, UV Index](https://appshunter.io/ios/app/t-and-t-tanning-app-uv-index/id6761418606) All apps by Create Rush: https://appshunter.io/developer/1880351509 ## Related topics [body fast](https://appshunter.io/ios/topics/body-fast) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-20.*