Comparison

Fast vs Fasting Clock

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

Head to head
About

Fast

This app helps you track intermittent fasting routines, monitor progress, and analyze health data. It offers educational content, motivational challenges, and a journal to record your feelings. Connect with friends for support and motivation on your wellness journey.

Highlights
  • Fasting timer and tracker
  • Progress analytics and history
  • Educational 'Know It' section
  • Motivational challenges and trophies
  • Mood tracker and journal
  • Health app integration (steps)
  • Fasting buddy feature
Features
Read full description

Fast: Fasting Tracker & Timer helps you build consistent fasting habits with flexible fasting plans, body weight logging, water intake tracking, reminders, and detailed progress insights. Whether you're new to intermittent fasting or already following a routine, the app provides the tools to stay organized and work toward your personal health and wellness goals. Choose a fasting plan, customize your schedule, and track every fast in one place with an easy-to-use fasting tracker. FASTING PLANS Find a fasting schedule that works for your lifestyle. Choose from 12:12, 13:11, 14:10, 15:9, 16:8, 17:7, 18:6, 19:5, 20:4, 21:3, 22:2, 23:1, MWF, TTS, or create your own custom fasting plan. Whether you're starting intermittent fasting or maintaining an existing routine, you can choose a plan that suits your goals. FASTING TRACKER & TIMER Track active and completed fasts with an intuitive fasting tracker and timer. Review your fasting history and monitor your consistency over time. BODY WEIGHT & WATER TRACKING Log your body weight and monitor changes throughout your fasting routine. Track your daily water intake to stay hydrated and build healthier habits alongside your fasting schedule. SMART REMINDERS Stay on schedule with fasting reminders and water intake reminders. Customize notifications to help you start and end your fasting window on time while maintaining your daily hydration routine. ANALYTICS & HISTORY Review your fasting sessions, body weight, hydration logs, activity, and history with easy-to-understand analytics that help you monitor your progress and stay consistent. INFORMATIVE BLOGS Learn more about intermittent fasting through informative blogs covering healthy habits, wellness topics, and practical guidance to help you better understand your fasting routine. FASTING BUDDIES Stay motivated by fasting together. Invite friends, track each other's progress, and encourage one another throughout your fasting journey with the Buddy feature. ACTIVITY SUPPORT Sync your activity data to keep your fasting progress and daily activity organized in one place for a more complete overview of your routine. Whether you're following a 16:8 fasting schedule, exploring different intermittent fasting plans, or creating a custom fasting routine, Fast: Fasting Tracker & Timer gives you the tools to stay organized and build lasting healthy habits. DISCLAIMER This app is intended for informational and lifestyle purposes only and does not provide medical advice, diagnosis, or treatment. Consult a qualified healthcare professional before starting any fasting routine, especially if you have an existing medical condition, are pregnant, or have specific dietary requirements. PRIVACY POLICY https://maximaapps.com/fasting/privacy_policy.html TERMS OF USE https://maximaapps.com/fasting/terms-of-use.html GET IN TOUCH Have questions, feedback, or suggestions? We'd love to hear from you. Contact us through the app or email us at feedback@maximaapps.com.

About

Fasting Clock

Features
Read full description

Simple Fasting Clock is a clean, easy intermittent fasting timer that helps you stay consistent—without complicated setup. Start your fast, watch the progress ring, and see exactly how much time is left. During your fast, you’ll also get simple fasting phase insights (Fed → Fat Burning → Deep Ketosis) to stay motivated. FEATURES • One-tap fasting timer with auto-complete • Presets: 16:8, 18:6, 20:4 (Warrior), 23:1 (OMAD) • Custom fasting duration from 1 to 72 hours • Live progress ring with time left and percentage • Fasting phase guide with clear explanations • History log for every fast (completed or ended early) • Stats: completed fasts, total hours fasted, average duration, and day streak • Achievements to celebrate milestones • Daily quote + daily tip for motivation • Designed for iPhone and iPad • No account required DISCLAIMER This app is for informational purposes only and is not medical advice. If you have a medical condition, are pregnant, or are under 18, consult a healthcare professional before fasting. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Fast4 screens
Fasting Clock4 screens

Verdict

The call

The clearest difference is ads: Fast at none against Fasting Clock's shown. Fast also leads on update cadence (every 2 months vs every 5 months). Fasting Clock's advantage is iOS requirement (13.0 vs 18.6). On price, 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. Fast sells 8 in-app purchases, starting at $4.99 per month and Fasting Clock sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Fast ships an update every 2 months, Fasting Clock every 5 months. The most recent releases landed on September 23, 2026 and September 14, 2026 respectively.

Scorecard3 real differences · 7 level
Fast versus Fasting Clock: the parameters behind the verdict, then further details
ParameterFastFasting Clock
PriceFreeFree
Rating4.7 (3.3K ratings) — better—
Positive reviews74.6% of reviews—
Number of ratings3.3K — better—
Update frequencyEvery 2 months — betterEvery 5 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS18.613.0 — better
Further details — not scored
Size116 MB23 MB
Age rating12+4+
DeveloperMaxima AppsAfriwan Ahda

Bugs and requests

Fast

Reported bugs

3 issues
  • Timer not accurately recording fasting times
  • Inability to update weight in app
  • Crashing when trying to view friend's status

Requested features

4 requests
  • Option to edit fasting start/end times
  • More detailed analytics and progress tracking
  • Improved syncing and data saving reliability
  • Expanded customization options

Fasting Clock

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

Fast

Subscriptions6
  • Fast Premium Monthly$4.991 Month
  • Fasting Monthly$14.991 Month
  • Fasting Annually$19.991 Year
Show 3 more
  • Fasting Premium$27.993 Months
  • Fast Premium Yearly$29.991 Year
  • Fasting Premium Yearly$39.991 Year
One-time2
  • Fasting One Time Special Offer$19.99
  • Fasting Pro$49.99
3 purchases

Fasting Clock

Subscriptions3
  • Weekly Premium Access$0.997 Days
  • Monthly Premium Access$2.991 Month
  • Yearly Premium Access$17.991 Year

Questions

Is Fast free?
Fast is free to download, with in-app purchases available.
Is Fasting Clock free?
Fasting Clock is free to download, with in-app purchases available.
Do Fast or Fasting Clock have ads?
Fasting Clock shows ads; Fast does not.
Which is updated more often, Fast or Fasting Clock?
Fast ships an update every 2 months, and Fasting Clock every 5 months. Most recently, Fast was updated on September 23, 2026 and Fasting Clock on September 14, 2026.

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