iF vs Ember Fasting
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iF
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iF - InterFast makes intermittent fasting simple and helps you adopt a healthy lifestyle. Intermittent fasting brings several health benefits and has helped thousands of people lose weight and be healthier. With iF - InterFast, you can easily add your meals, drinks and activities to monitor your daily calorie count. Performance is saved and can be viewed in the stats. Monitor and record your weight at regular intervals and track your progress. iF -InterFast also calculates your TDEE which serves as a guide in monitoring your calorie intake and can read your active calorie burnt from Health App.
Ember Fasting
This app provides a simple and beautiful intermittent fasting timer with a widget-first design. It offers precise tracking of fasting progress, various popular protocols, and metabolic insights for Pro users. The app focuses on a clean user experience without ads or dark patterns.
- Widget-first design for home and lock screens
- Fast launch time and smooth animations
- Live metabolic process tracking (Pro)
- Support for 5 popular fasting protocols
- Streak tracking and milestone celebrations
- Smart notifications for fast completion
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The fasting timer that respects your time and your wallet. Ember is a beautifully crafted intermittent fasting timer that just works. No account required. No ads. No dark patterns. Just a precise, reliable timer with stunning widgets and honest pricing. WIDGET-FIRST DESIGN Check your fasting progress without opening the app. Ember offers 7 widget styles: small interactive, medium, large, Lock Screen, and StandBy. Your progress is always a glance away. Start and stop fasts right from your home screen. BEAUTIFUL & FAST Launches in under a second. Your body runs multiple metabolic processes during a fast: fat burning, ketosis, autophagy. They overlap and build on each other gradually. Ember tracks your progress with smooth animations and warm, purposeful design. Choose from 10 curated color themes or set your own custom accent color. Pick from 8 app icon styles to match your aesthetic. METABOLIC INSIGHT (PRO) Fasting isn't a series of stages you enter and leave, it's overlapping biological processes that build on each other. Pro unlocks live metabolic process tracking: see fat burning, ketosis, and autophagy ramping simultaneously with intensity indicators. Tap the info icon during any fast to see exactly what's happening in your body. EVERYTHING YOU NEED, NOTHING YOU DON'T - All 5 popular protocols: 16:8, 18:6, 20:4, OMAD, or create your own - Streak tracking with milestone celebrations - History with weekly calendar view - Basic stats to track your progress - Smart notifications for fast completion, zone transitions, and daily reminders HONEST PRICING The full fasting timer is free. No trial traps. No surprise charges. Pro unlocks metabolic insight, extra widget styles, themes, icons, and advanced notifications for $1.99/month, $14.99/year, or $29.99 lifetime. That's it. PRIVACY BY DESIGN Your data never leaves your device. No account. No analytics. No tracking. Our App Store privacy label is "Data Not Collected"...and we mean it. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Ember Fasting at every 2 weeks against iF's every 2 months. On price, ads, in-app purchases and device support 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. iF sells 12 one-off in-app purchases and Ember Fasting sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
iF ships an update every 2 months, Ember Fasting every 2 weeks. The most recent releases landed on October 27, 2026 and October 9, 2026 respectively.
| Parameter | iF | Ember Fasting |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 45 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Hans Babylone | Chris Schrade |
In-app purchases
iF
- Mediterranean Chicken$0.99
- Fish Fillet in Tomatoes Garlic$0.99
- Grilled Shrimp with Salsa$0.99
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- Salmon with Mango Salsa$0.99
- Guacamole On Toast With Salad$0.99
- Peppered Beef With Asparagus$0.99
- Cauliflower Pizza$0.99
- Chocolate Cupcake$0.99
- Keto Pancake$0.99
- Intermediate level$2.99
- Experienced Level$3.99
- Personalized & Statistics$4.99
Ember Fasting
- Ember Pro Monthly$1.991 Month
- Ember Pro Annual$14.991 Year
- FastApp Pro Lifetime$29.99









