Comparison

Fasting Timer vs FastJoy

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

Head to head
About

Fasting Timer

Effortlessly track intermittent fasting with this powerful app. Monitor fasting phases, including fat-burning and autophagy, and build healthy habits with various fasting plans. Start your journey in seconds with no account required.

Highlights
  • Circular countdown timer
  • Real-time fasting phase tracking
  • Multiple IF protocols
  • Streak tracking
  • Body Map visualization
  • Home Screen Widget
  • Zone notifications
Features
Read full description

Lose weight effortlessly with Fasting Timer — the simple, powerful intermittent fasting app trusted by thousands. Track your fasts with one tap, monitor autophagy and fat-burning stages, and build lasting healthy habits with 16:8, 18:6, 20:4, and OMAD fasting plans. Start your first fast in seconds — no account required, just results. ALL FASTING PHASES FREE: • Fed State (0-4h): Digestion active • Early Fasting (4-8h): Fat burn starting • Fasting State (8-12h): Growth hormone rising • Fat Burning (12-16h): Strong fat burn • Ketosis (16-20h): Mental clarity • Autophagy (20h+): Cell renewal KEY FEATURES: • Beautiful circular countdown timer • Real-time fasting phase tracking • Multiple IF protocols (16:8, 18:6, 20:4, OMAD) • Streak tracking with animated flame display • Body Map — see what happens during fasting • Tip of the Day — 50+ science-backed tips • Fasting Calendar — monthly heatmap • Fasting Score after completing each fast • Home Screen Widget • Zone notifications for Fat Burning, Ketosis & Autophagy • No login required • Dark mode design Start your fasting journey today — free to use, with optional Premium. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://ralf9090.github.io/fasting-timer/privacy.html

About

FastJoy

Features
Read full description

FastJoy is the simple, private way to track intermittent fasting. Pick a protocol, start the timer, and watch your fasting and eating windows in real time — no account, no paywall on the core timer, and everything stays on your device. WHY FASTWINDOW - Beautiful animated fasting timer with live elapsed time and progress ring - Choose 16:8, 18:6, 20:4, OMAD or a custom fasting window - Informational fasting stages as the hours add up (fat burning, ketosis, autophagy zone) - Current streak, today's eating window and target end time at a glance - Edit your start time anytime — perfect when you forget to hit start TRACK EVERYTHING - Full history of every fast with met-goal status - GitHub-style consistency heatmap of your fasting days - Weekly fasting hours and calendar overview STATS & PROGRESS - Average fast length, longest fast, completion rate and streaks - Fast-duration trend chart and this-week-vs-last comparison - Patterns by weekday and start time of day - Optional weight log with a clean trend chart - Dozens of achievements to keep you motivated REMINDERS THAT HELP - Get notified the moment your fasting goal is reached - Optional "time to start fasting" and hydration reminders - 100% local notifications — no servers, no tracking of your habits PRIVATE BY DESIGN - No sign-up, works fully offline - Optional Face ID / Touch ID lock - Export and import your data as JSON anytime - Available in English, Spanish, French, Italian, German and Portuguese FastJoy is a tracking aid only and does not provide medical or nutritional advice. Intermittent fasting is not suitable for everyone, including during pregnancy or with certain medical conditions. Consult a qualified healthcare professional before changing your eating patterns. Start your first fast today and build a routine that lasts.

Screenshots

Fasting Timer4 screens
FastJoy4 screens

Verdict

The call

The clearest difference is iOS requirement: FastJoy at 13.0 against Fasting Timer's 16.0. 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. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 9 level
Fasting Timer versus FastJoy: the parameters behind the verdict, then further details
ParameterFasting TimerFastJoy
PriceFreeFree
Rating3.0 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 2 days—
AdsYesYes
In-app purchasesNoNo
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.013.0 — better
Further details — not scored
Size46 MB41 MB
Age rating4+12+
DeveloperBatuhan SenavciFerran Espuna

In-app purchases

None

Fasting Timer

No in-app purchases

None

FastJoy

No in-app purchases

Questions

Is Fasting Timer free?
Fasting Timer is free to download, with no in-app purchases.
Is FastJoy free?
FastJoy is free to download, with no in-app purchases.
Do Fasting Timer or FastJoy have ads?
Both Fasting Timer and FastJoy show ads.

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