Fasting vs Atomic Fast
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fasting
This app simplifies intermittent fasting with visual progress tracking and insights into your body's metabolic zones. It offers various fasting plans, hydration tracking, and achievements to keep you motivated. Advanced features include body tracking, progress photos, and an AI coach for personalized guidance.
- Visual fasting timer with metabolic zone insights
- Multiple built-in and custom fasting plans
- Hydration and weight/body measurement tracking
- Progress photo comparison and time-lapses
- On-device AI fasting coach
- Live Activities integration for Lock Screen and Dynamic Island
- Achievements and shareable progress cards
Read full descriptionHide full description
Omady is a simple intermittent fasting tracker that helps you lose weight, build a routine, and understand your body. Pick a plan like 16:8 or OMAD, tap Start, and follow your fast through fat-burning and ketosis in real time. And it respects you: no account, no social feed, no notification spam. Just you, your fast, and a clean tracker that does its job. Open it only when you actually need it. WHAT YOU GET • One-tap fasting timer with progress ring, countdown, and Live Activity on the Lock Screen and Dynamic Island • Popular plans — 12:12, 14:10, 16:8, 18:6, 20:4, OMAD — plus fully custom schedules • Metabolic zones — see when you enter glycogen depletion, fat burning, and ketosis • AI Coach (premium) — ask anything about your fasting, get answers tuned to your goals • First-meal log — snap a photo to capture what breaks your fast • Weight and body measurement tracking with trend charts and personal records • Progress photos with optional Face ID lock (premium) • Hydration tracking during your eating window • Streaks, weekly consistency, and milestones • Apple Watch app and Siri shortcuts: "Start a fast in Omady", "Log a glass of water" • Widgets and Live Activity for instant progress at a glance HOW IT WORKS 1. Pick a plan that fits your day — 16:8 is a strong start, OMAD if you have experience 2. Tap Start. The timer runs in the background; Live Activity shows progress without opening the app 3. Log water, weight, and your first meal as you go — each takes seconds 4. End your fast when ready. Review your streak, trends, and ask Coach what to refine next PRIVATE BY DESIGN No account. No sign-up. No social feed. Your fasting history, weight logs, and progress photos stay on your iPhone. iCloud sync is optional — you control if and when. We don't sell your data, run ad networks, or build social pressure into the app. ABOUT THE SUBSCRIPTION Omady is free to use. Premium unlocks the AI Coach, custom plans beyond presets, full fasting history, progress photos with Face ID lock, premium challenges, and expanded daily meal scans. Payment is charged to your Apple ID at the end of the free trial. Subscriptions auto-renew unless cancelled at least 24 hours before the end of the period. Manage or cancel anytime in Apple ID Settings. Start fasting — your way, your phone, your data. Terms of Use: https://gofasting.app/en/terms/ Privacy Policy: https://gofasting.app/en/privacy/
Atomic Fast
This app combines intermittent fasting with AI-powered calorie and macro tracking. It analyzes your eating patterns, hydration, sleep, and activity to provide metabolic insights and a daily readiness score. Seamlessly integrates with Apple Health for a holistic view of your well-being.
- AI calorie and macro estimation from photos
- Intermittent fasting timer with metabolic phases
- Break-fast meal scoring and suggestions
- Connects meals and fasts for holistic insights
- Daily readiness score based on health signals
- Apple Health and Apple Watch integration
Read full descriptionHide full description
Track your fasts through real metabolic phases, then snap a photo of your meal to log calories and macros in seconds — and see exactly how the two connect. Most fasting apps track time; most calorie apps track food. Atomic Fast connects both. Atomic Fast combines intermittent fasting, AI calorie tracking, macro counting, Apple Health insights, and hydration tracking in one app — made for people who already fast and want more than just a basic timer or food diary. FASTING TIMER WITH METABOLIC PHASES Track your fasts with a real-time fasting timer and estimated metabolic phase guidance. Follow your progress through clear visual stages, from digestion and transition to glycogen depletion, fat burning, ketosis, deeper fasting, and autophagy. Choose popular fasting schedules like 16:8, 18:6, 20:4, OMAD, or create your own custom plan. Adjust your goals anytime, and get fasting milestone notifications without the pressure. AI CALORIE TRACKING IN SECONDS Take a photo of your plate. Atomic Fast typically identifies foods in under 5 seconds and estimates calories, macros, and nutrients — like a smart AI calorie counter and macro tracker that actually understands what you ate. You can also log meals by: - Describing what you ate with text or voice - Scanning nutrition labels - Scanning barcodes - Searching the USDA food database - Adding meals manually when needed No more typing one ingredient at a time. BREAK-FAST SCORE The first meal after a fast matters. Atomic Fast scores your break-fast meal from 0 to 100, with practical suggestions on protein, fiber, carbs, and balance for a smoother transition back into eating. MEALS AND FASTS THAT WORK TOGETHER Most fasting apps track time. Most calorie trackers and food diaries track food. Atomic Fast connects both. See how your last meal affects your next fast, how your fasting consistency affects your eating patterns, and how nutrition timing may connect with sleep, recovery, and daily energy. METABOLIC INSIGHTS Atomic Fast helps you spot patterns across fasting, meals, hydration, sleep, heart rate, HRV, activity, and more. Interactive charts and daily insights help you understand habits like calorie trends, macro balance, fasting consistency, and how nutrition timing may connect with sleep, recovery, and energy levels. Daily insight examples: - "Ending eating by 7 PM dropped your sleeping heart rate by 4 bpm last week" - "On high-recovery days you hit your fasting goal 30% more often" Insights are calculated on your device. Your patterns stay yours. DAILY READINESS SCORE Wake up to a readiness score from key health signals: sleep, HRV, resting heart rate, activity, exercise, and respiratory rate. A simple guide to whether today is a good day to push your fast, stay normal, or focus on recovery. APPLE HEALTH AND APPLE WATCH Atomic Fast syncs 24 Apple Health data types: sleep, heart rate, HRV, steps, workouts, weight, respiratory rate, and more. Meals write 11 nutrients plus water back to Apple Health, keeping your nutrition data connected across your favorite health apps. HYDRATION TRACKING One-tap water logging. Smart reminders that fit naturally around your fasting routine. BUILT FOR EVERYDAY USE - Three themes including a signature Deep Purple mode - Two timer styles: Atomic Ring and Classic Ring - Smart notifications for fasting milestones, hydration, meal reminders, and weekly recaps - Awards and streaks to celebrate progress without pressure - Offline-first experience - Privacy-focused design - Apple Watch companion app ATOMIC+ The free version is the real product — fasting tracking, manual food logging, readiness score, daily insights, themes, and 7 AI meal scans per week, all free and ad-free. Atomic+ unlocks: - Unlimited AI meal scans - iCloud backup and data export Available as Atomic+ Monthly, Atomic+ Annual (with 7-day free trial), or Atomic+ Lifetime. Terms of Use: https://atomicfast.com/terms Privacy Policy: https://atomicfast.com/privacy
Screenshots
Verdict
The clearest difference is iOS requirement: Fasting at 16.4 against Atomic Fast's 18.0. On price, rating, review sentiment and ratings volume there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Fasting sells 16 in-app purchases, starting at $3.99 per 7 days and Atomic Fast sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.9 for Fasting against 5.0 for Atomic Fast. Both are backed by a comparable volume of ratings — 25 and 29 respectively. Written reviews are what separate them: 100% of Fasting's written reviews are positive against 96% of Atomic Fast's.
Fasting ships an update every 3 days, Atomic Fast every 4 days. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.
| Parameter | Fasting | Atomic Fast |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (25 ratings) | 5.0 (29 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 96.3% of reviews |
| Number of ratings | 25 | 29 — better |
| Update frequency | Every 3 days — better | Every 4 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Freemium |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Requires iOS | 16.4 — better | 18.0 |
| Further details — not scored | ||
| Size | 92 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Eduard Bulava | Startise |
Customer experience
Fasting
Atomic Fast
In-app purchases
Fasting
- FastBreak Premium Weekly$3.997 Days
- FastBreak Premium Monthly$6.391 Month
- FastBreak Premium Monthly3 Days trial2 variants$7.991 Month
Show 12 moreShow fewer
- FastBreak Premium Monthly$9.991 Month
- Omady Premium Monthly$14.991 Month
- Premium Monthly$14.991 Month
- Premium Monthly3 Days trial$24.991 Month
- Premium Anual$29.991 Year
- FastBreak Premium Annual$31.991 Year
- FastBreak Premium Annual3 Days trial$34.991 Year
- FastBreak Premium Annual$39.991 Year
- FastBreak Premium Jährlich3 Days trial$39.991 Year
- FastBreak Premium Annual3 Days trial$59.991 Year
- Omady Premium Annual3 Days trial$59.991 Year
- Premium Anual3 Days trial$79.991 Year
- Lifetime$79.99
Atomic Fast
- Atomic+ Monthly$4.991 Month
- Atomic+ Annual7 Days trial$29.991 Year
- Atomic+ Lifetime$59.99









