InnerFast vs Fasting Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
InnerFast
This app provides a visually engaging way to track intermittent and extended fasting journeys. It offers intelligent monitoring of fasting stages, personalized goal setting, and a comprehensive history of your progress. Enjoy a beautifully designed interface with flexible notifications to stay motivated.
- Visual progress tracking with activity rings
- Smart goal setting for custom durations
- Monitoring of five distinct fasting stages
- Comprehensive fasting history and insights
- Flexible stage change and motivational notifications
- Premium, dark mode optimized design
- Privacy-focused with no account required
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Transform Your Fasting Journey InnerFast is your elegant companion for intermittent fasting and extended fasts. With beautiful visual progress tracking and intelligent stage monitoring, reaching your fasting goals has never been more intuitive. Visual Progress Tracking Watch your fast unfold with stunning activity rings that show your progression through each fasting stage. From the initial anabolic phase to deep ketosis, see exactly where you are in your journey at a glance. Smart Goal Setting Set personalized fasting goals from 16 hours to multiple days, or track without limits. Choose preset durations or pick a custom end time that fits your schedule. The app automatically adjusts your progress visualization based on your goals. Five Fasting Stages - Anabolic (0-4h): Post-meal nutrient processing - Catabolic (4-16h): Glycogen depletion begins - Fat Burning (16-24h): Ketone production starts - Ketosis (24-72h): Deep fat adaptation - Deep Ketosis (72h+): Maximum metabolic benefits Comprehensive History Every fast is saved with detailed information including duration, stages reached, and timestamps. Review your progress, identify patterns, and celebrate your achievements. Flexible Notifications - Stage change alerts at key milestones - Motivational messages to keep you inspired - Choose from 8 different motivational styles - Customize frequency to match your needs Beautiful Design Crafted with care, InnerFast features a premium interface with smooth animations and an elegant color palette. Dark mode optimized for comfortable viewing any time of day. Key Features - Interactive activity rings for each fasting stage - Toggle between time elapsed and time remaining - Real-time percentage tracking - Detailed stage information and descriptions - Complete fasting history - Edit start times if needed - Statistics and progress insights - No subscription required Privacy Focused Your fasting data stays on your device. No account required, no data collection, complete privacy. Whether you're practicing 16:8 intermittent fasting, doing OMAD (One Meal A Day), or exploring extended fasts for deeper health benefits, InnerFast provides the clarity and motivation you need to succeed. Download InnerFast today and make every fast count.
Fasting Timer
Effortlessly track intermittent fasting with this powerful app. Monitor fasting phases, including fat-burning and autophagy, and build healthy habits with various fasting plans. Start your journey in seconds with no account required.
- Circular countdown timer
- Real-time fasting phase tracking
- Multiple IF protocols
- Streak tracking
- Body Map visualization
- Home Screen Widget
- Zone notifications
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Fasting Timer is a simple intermittent fasting tracker. Start a fast with one tap, see which stage you are in, and look back on every fast. No account, no quiz: open the app and start. FREE • 14:10 and 16:8 timer with a stage ring and countdown • Live Activity on the Lock Screen and in the Dynamic Island while you fast (supported iPhones) • History calendar for the last 7 days: edit start and end times, delete a fast or add one you forgot • End-of-fast summary with mood and a short note • Streaks, a weekly progress chart and badges • Water tracker • Reminders: fast complete, time to start, streak at risk • Dark and light themes PREMIUM • All plans: 18:6, 20:4, OMAD (23:1), 5:2 (mark your two low-calorie days), 36 h, 48 h, 72 h and custom fasts up to 168 hours • "In your body now" cards for each stage of your fast, with sources from peer-reviewed research • Learn library of short articles (a few are open to everyone, including "Who shouldn't fast") • Full history and detailed progress: longest fast, average, completion rate and a monthly heat map • Weight log in kg or lb, with a chart • Apple Health: read and save your weight, and optionally save water • Home Screen and Lock Screen widgets • Extra reminders: one hour before your goal, eating window closing, stage milestones • No ads PRIVATE BY DESIGN No account or sign-up. Your fasts, notes and weight are stored on your device. The free version shows ads; Premium removes them. NOT MEDICAL ADVICE Fasting Timer is a tracking tool, not medical advice. Talk to your doctor before fasting, especially before longer fasts or if you are pregnant or breastfeeding, have diabetes or another medical condition, or have a history of eating disorders. SUBSCRIPTION Premium is an auto-renewing subscription. The price and any free trial are shown in the app before you buy. Payment is charged to your Apple Account when you confirm the purchase. The subscription renews automatically unless it is cancelled at least 24 hours before the end of the current period. You can manage or cancel it in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://ralf9090.github.io/fasting-timer/privacy.html
Screenshots
Verdict
The clearest difference is rating: InnerFast at 4.5 against Fasting Timer's 3.0. InnerFast also leads on in-app purchases (none vs 2) and ads (none vs shown). On price, review sentiment, ratings volume and update cadence 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 Timer sells 2 in-app purchases, starting at $1.99 per month. InnerFast asks for nothing beyond the download.
InnerFast holds the better App Store score, 4.5 against 3.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews split almost evenly too, at 0% and 0% positive.
Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | InnerFast | Fasting Timer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (4 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 4 — better | 2 |
| Update frequency | Every 3 days | Every 3 days |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | S Boersma | Batuhan Senavci |
Customer experience
InnerFast
Fasting Timer
In-app purchases
InnerFast
No in-app purchases
Fasting Timer
- Premium Monthly3 Days trial$1.991 Month
- Premium Yearly$14.991 Year









