Comparison

FastHabit Intermittent Fasting vs Fast

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

Head to head
About

FastHabit Intermittent Fasting

This app helps you establish and maintain intermittent fasting routines. It offers flexible tracking, reminders, and integrates with Apple Health and Apple Watch to monitor your progress and weight.

Highlights
  • Flexible fast length setting
  • Daily logging and progress tracking
  • Reminders and notifications
  • Weight tracking
  • Apple HealthKit integration
  • Apple Watch support
  • Data export
Features
Read full description

FastHabit helps you start and stay consistent with Intermittent Fasting. Set your fast length, log daily, and use advanced features like reminders, weight tracking and Health App syncing, Apple Watch integration, calendar views, data export, and multi-day fasting to track your progress and accelerate your results. SIMPLE, FLEXIBLE TRACKING - Choose how many hours you want to fast - Keep your motivation in view- See percent complete, time completed, time remaining, and target end. - Easy editing. Stop, restart, or adjust your fast at any time. SYNC EVERYWHERE - Apple Watch integration: Leave your phone at home and still track your fast. - Save and transfer your fasts to a new device with iCloud syncing - FastHabit also integrates with Apple HealthKit. This lets you sync your logged weight in the app automatically to your HealthKit profile. FastHabit also pulls in updated weight data from HealthKit if enabled, to always keep your weight data in sync across the board. SET REMINDERS AND NOTIFICATIONS - Choose the days and times you want reminders to start fasting - Get a notification when your fast is complete MOTIVATIONAL STATS AND PROGRESS: - 10 day Snapshot with ‘streaks’ to show how many days in a row you’ve fasted and how many days you’ve met your goals – a great way to stay motivated. - Calendar and weekly views with daily details - Weight tracking views with fasting overlay MORE GREAT FEATURES - Apple watch complications - iPhone widget - Getting started guide - Enhanced support for longer, multi-day fasts - Export your data FastHabit has been featured in GQ, the Guardian, and Fast Company. --- FastHabit offers an optional auto-renewing annual Premium Subscription (price varies by territory, may include free trial) located on the Upgrade page. Payments will be charged to your iTunes Account after confirmation. Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the subscription period. Account will be charged for renewal within 24 hours prior to the end of the current period. Subscriptions may be managed in your iTunes Account’s Settings after purchasing. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Privacy Policy: https://fasthabit.com/privacy-policy Terms of Service: https://fasthabit.com/terms-of-service

About

Fast

Features
Read full description

Start intermittent fasting today with Fast-E - a beautifully designed fasting timer that puts your privacy first. Every feature is completely free. No subscriptions, no ads, no account required. SIMPLE FASTING TIMER Choose from popular preset schedules - 16:8, 18:6, 20:4, or OMAD - or create your own custom fasting window. Start your fast with a single tap. A beautiful animated ring shows your progress in real time, counting down to your eating window. CUSTOM SCHEDULES Create personalized fasting schedules with any fasting-to-eating ratio. Whether you prefer 14:10, 12:12, or any other split, Fast-E adapts to your routine. TRACK YOUR PROGRESS View detailed statistics including total fasts completed, average duration, completion rate, and weekly activity. Interactive charts help you spot trends and stay motivated. BUILD YOUR STREAK Keep your momentum going with streak tracking. See how many consecutive days you've completed your fasting goal and push yourself to keep the chain going. FULL FASTING HISTORY Every fast is recorded and stored on your device. Browse your complete history, see which sessions you completed, and track your journey over time. HOME SCREEN WIDGETS Add Fast-E widgets to your home screen to see your fasting progress at a glance without opening the app. SMART NOTIFICATIONS Get reminders when your fasting window starts, when it's time to eat, and when you're halfway through. Customize notification timing to match your routine. YOUR PRIVACY MATTERS All your data stays on your device. No account creation, no cloud sync, no data collection, no analytics tracking. Fast-E works entirely offline. 100% FREE Every feature in Fast-E is available at no cost. No premium tier, no feature gates, no in-app purchases. Just download and start fasting.

Screenshots

FastHabit Intermittent Fasting4 screens
Fast4 screens

Verdict

The call

The clearest difference is in-app purchases: Fast at none against FastHabit Intermittent Fasting's 3. Fast also leads on update cadence (every 2 days vs monthly). FastHabit Intermittent Fasting's advantage is iOS requirement (15.0 vs 17.0). On price, ads 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. FastHabit Intermittent Fasting sells 2 in-app purchases, starting at $59.99 per year. Fast asks for nothing beyond the download.

UpkeepUpdate frequency

FastHabit Intermittent Fasting ships an update monthly, Fast every 2 days. The most recent releases landed on October 20, 2026 and October 16, 2026 respectively.

Scorecard3 real differences · 7 level
FastHabit Intermittent Fasting versus Fast: the parameters behind the verdict, then further details
ParameterFastHabit Intermittent FastingFast
PriceFreeFree
Rating4.8 (14K ratings) — better—
Positive reviews57.9% of reviews—
Number of ratings14K — better—
Update frequencyMonthlyEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPod, Apple Watch — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size31 MB6 MB
Age rating4+4+
DeveloperApp HoldingsInvotek AS

Bugs and requests

FastHabit Intermittent Fasting

Reported bugs

3 issues
  • App freezing or crashing after updates
  • Inability to manually add or edit fasts
  • Inconsistent tracking of long fasts across days

Requested features

5 requests
  • Ability to track multiple fasts per day
  • Option to set custom fasting duration goals
  • More detailed fasting history and analytics
  • Improved Apple Watch complications and controls
  • Integration with other health/fitness apps

Fast

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

FastHabit Intermittent Fasting

Subscriptions1
  • FastHabit Premium1 Year trial2 variants$59.991 Year
One-time1
  • Upgrade To Pro$2.99
None

Fast

No in-app purchases

Questions

Is FastHabit Intermittent Fasting free?
FastHabit Intermittent Fasting is free to download, with in-app purchases available.
Is Fast free?
Fast is free to download, with no in-app purchases.
Do FastHabit Intermittent Fasting or Fast have ads?
Neither FastHabit Intermittent Fasting nor Fast shows ads.
Which is updated more often, FastHabit Intermittent Fasting or Fast?
FastHabit Intermittent Fasting ships an update monthly, and Fast every 2 days. Most recently, FastHabit Intermittent Fasting was updated on October 20, 2026 and Fast on October 16, 2026.

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