Comparison

iF vs Ember Fasting

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

iF

Read full description

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.

About

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.

Highlights
  • 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
Features
Read full description

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

iF4 screens
Ember Fasting4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard1 real difference · 8 level
iF versus Ember Fasting: the parameters behind the verdict, then further details
ParameteriFEmber Fasting
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.017.0 — better
Further details — not scored
Size45 MB3 MB
Age rating4+4+
DeveloperHans BabyloneChris Schrade

In-app purchases

12 purchases

iF

One-time12
  • Mediterranean Chicken$0.99
  • Fish Fillet in Tomatoes Garlic$0.99
  • Grilled Shrimp with Salsa$0.99
Show 9 more
  • 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
3 purchases

Ember Fasting

Subscriptions2
  • Ember Pro Monthly$1.991 Month
  • Ember Pro Annual$14.991 Year
One-time1
  • FastApp Pro Lifetime$29.99

Questions

Is iF free?
iF is free to download, with in-app purchases available.
Is Ember Fasting free?
Ember Fasting is free to download, with in-app purchases available.
Do iF or Ember Fasting have ads?
Neither iF nor Ember Fasting shows ads.
Which is updated more often, iF or Ember Fasting?
iF ships an update every 2 months, and Ember Fasting every 2 weeks. Most recently, iF was updated on October 27, 2026 and Ember Fasting on October 9, 2026.

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