Comparison

Intermittent Fasting Tracker 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

Intermittent Fasting Tracker

This app offers a straightforward and private way to track intermittent fasting. It supports iPhone and Apple Watch, providing essential features like widgets, notifications, and progress charts without any advertisements. Ideal for both beginners and experienced fasters, it focuses on a simple user interface to support health and wellness goals.

Highlights
  • Interactive Widgets
  • Notifications
  • Streaks & Badges
  • Charts & Trends
  • Fasting Zones
  • iCloud Sync
  • Dark Mode
Features
Read full description

Track fasting periods with Fasty. No account or sign-up required. Start and stop a fasting timer, set a goal, and review your recorded fasts. Edit entries to correct start and end times and keep a record of your fasting history. Features - Fasting timer: see elapsed time and the time remaining until your chosen goal. - Widgets and Live Activities: check your timer from your Home Screen, Lock Screen, and Dynamic Island on supported devices. - Apple Watch: start and finish fasts, change your goal, and check your current fasting status from your wrist, included for free. - Fasting history: add, edit, and review your recorded fasts. - Charts and trends: explore fasting durations, totals, and averages over time. - Notifications: choose reminders and alerts for your timer and eating window. - Siri and Shortcuts: start and finish fasts and check your current fasting status. - CSV import and export: import existing records or export your data for use outside the app. - Dark Mode: use a light or dark appearance to suit your preference. - Streaks and badges: view summaries and milestones based on your recorded fasts. Additional paid features are available through one-time purchases and auto-renewable subscriptions. Available options, included features, and prices are shown in the app before purchase. Subscriptions renew automatically unless canceled. You can manage or cancel them in your App Store account settings. Health information Fasty is a utility for people who want to track their fasting. It does not recommend fasting or a specific fasting plan and does not provide medical advice. Consult a doctor, registered dietitian, or another qualified healthcare professional about whether and how to fast. Privacy Policy: https://fastyfasting.com/#privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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

Intermittent Fasting Tracker4 screens
Fasting Clock4 screens

Verdict

The call

The clearest difference is ads: Intermittent Fasting Tracker at none against Fasting Clock's shown. Intermittent Fasting Tracker also leads on update cadence (every 10 days vs every 5 months). Fasting Clock's advantage is iOS requirement (13.0 vs 17.0). 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. Intermittent Fasting Tracker sells 17 in-app purchases, starting at $0.99 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

Intermittent Fasting Tracker ships an update every 10 days, Fasting Clock every 5 months. The most recent releases landed on October 16, 2026 and September 29, 2026 respectively.

Scorecard3 real differences · 7 level
Intermittent Fasting Tracker versus Fasting Clock: the parameters behind the verdict, then further details
ParameterIntermittent Fasting TrackerFasting Clock
PriceFreeFree
Rating4.9 (52K ratings) — better—
Positive reviews96.9% of reviews—
Number of ratings52K — better—
Update frequencyEvery 10 days — betterEvery 5 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, Apple WatchiPhone, iPad, iPod — better
Requires iOS17.013.0 — better
Further details — not scored
Size111 MB23 MB
Age rating12+4+
DeveloperKai OelfkeAfriwan Ahda

Bugs and requests

Intermittent Fasting Tracker

Reported bugs

2 issues
  • Overlapping fasting/eating windows reported
  • Inconsistencies in fasting time calculations

Requested features

4 requests
  • Ability to schedule and set reminders for fasts
  • Option to manually log ketosis levels
  • Export or share fasting data
  • More detailed fasting stage information

Fasting Clock

Not enough reviews yet to summarise bugs or requests.

In-app purchases

17 purchases

Intermittent Fasting Tracker

Subscriptions9
  • Fasty Monthly Donation$0.991 Month
  • Fasty Basic Monthly$0.991 Month
  • Fasty Monthly Donation$1.991 Month
Show 6 more
  • Fasty Basic Monthly$1.991 Month
  • Fasty Monthly Donation$2.991 Month
  • Fasty Basic Yearly$4.991 Year
  • Fasty Basic Yearly$6.691 Year
  • Fasty Pro Monthly2 variants$6.991 Month
  • Fasty Pro Yearly2 variants$19.991 Year
One-time8
  • One Time Donation$4.99
  • Fasty Basic One Time$9.99
  • One Time Donation$9.99
Show 5 more
  • One Time Donation$14.99
  • One Time Donation$24.99
  • One Time Donation$34.99
  • Fasty Pro One Time2 variants$49.99
  • One Time Donation$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 Intermittent Fasting Tracker free?
Intermittent Fasting Tracker 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 Intermittent Fasting Tracker or Fasting Clock have ads?
Fasting Clock shows ads; Intermittent Fasting Tracker does not.
Which is updated more often, Intermittent Fasting Tracker or Fasting Clock?
Intermittent Fasting Tracker ships an update every 10 days, and Fasting Clock every 5 months. Most recently, Intermittent Fasting Tracker was updated on October 16, 2026 and Fasting Clock on September 29, 2026.

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