Comparison

Just Fasting vs The Fast

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

Head to head
About

Just Fasting

This app helps you track your fasting periods with a simple, uncluttered interface. Easily start custom fasts of varying lengths and monitor your progress with detailed statistics. It's designed to be unobtrusive and straightforward for your intermittent fasting journey.

Highlights
  • Customizable fast durations (hours and days)
  • One-tap start for common fasts
  • Visual countdown and progress arc
  • Detailed fasting statistics
  • Streak tracking
  • Remember last fast length
Features
Read full description

ust Fasting is built to stay out of your way. Open the app and start fasting—no clutter, no noise. Start fasts your way • 16-hour fast — one tap, last meal is now (adjust if you need to). • Custom fast — pick hours (1–72) or longer fasts in days (4+), with no upper limit on days in the picker. • Last meal time defaults to now but you can change it if you finished eating earlier. Stay oriented A large countdown and an arc show how far you’ve come through your fast. When you hit your goal, wrap up with a tap. See your progress Statistics include total fasts, total time fasted, average length, longest fast, current streak, and best streak. The app remembers your last fast length so starting the same routine again is quick.

About

The Fast

Track your fasting periods with a visually engaging timer and home screen widgets. Review your history in a calendar view and share your progress as an image. An account is optional for local use, with cross-device syncing available.

Highlights
  • Customizable fasting timer
  • Home screen widgets
  • Live Activities support
  • Fasting history calendar
  • Shareable progress images
  • Optional account for sync
Features
Read full description

Fasting, at your pace. Choose a duration and start. A slowly moving record marks the time, with elapsed time and time remaining always within reach. ON YOUR HOME SCREEN Small and medium widgets keep your fast in view. Choose elapsed time or time remaining. The larger widget shows both, with the full record and progress. Live Activities keep the timer on your Lock Screen and Dynamic Island on supported iPhones. A MONTH, ON RECORD Browse your fasting history in a simple calendar. Finished goals retain their record color. Early endings appear in gray. Open any day to see each fast. YOURS TO SHARE Share one fast or your whole month as a single image. Include record details and exact times when you want to. LIGHT BY DESIGN Use the timer, history and widgets without an account. Your records stay on your device unless you sign in to save them across devices. Optional Apple, Google or email sign-in lets you keep records across devices. Free to use. No ads. The Fast records time. It does not provide medical or dietary advice.

Screenshots

Just Fasting3 screens
The Fast4 screens

Verdict

The call

The clearest difference is rating: The Fast at 5.0 against Just Fasting's 4.0. The Fast also leads on ratings volume (4 vs 1) and iOS requirement (16.4 vs 26.4). On price, update cadence, ads and in-app purchases 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.

ReceptionRating · Positive reviews · Number of ratings

The Fast holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

UpkeepUpdate frequency

Just Fasting ships an update every 2 days, The Fast daily. Both last shipped on October 31, 2026.

Scorecard3 real differences · 7 level
Just Fasting versus The Fast: the parameters behind the verdict, then further details
ParameterJust FastingThe Fast
PriceFreeFree
Rating4.0 (1 ratings)5.0 (4 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings14 — better
Update frequencyEvery 2 daysDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad — betteriPhone
Requires iOS26.416.4 — better
Further details — not scored
Size2 MB31 MB
Age rating4+4+
DeveloperMatthew ClarkPrime Adventure LLC

In-app purchases

None

Just Fasting

No in-app purchases

None

The Fast

No in-app purchases

Questions

Is Just Fasting free?
Just Fasting is free to download, with no in-app purchases.
Is The Fast free?
The Fast is free to download, with no in-app purchases.
Which has better reviews, Just Fasting or The Fast?
The Fast is rated higher. Just Fasting averages 4.0 out of 5 from 1 ratings, while The Fast averages 5.0 from 4 ratings.
Do Just Fasting or The Fast have ads?
Neither Just Fasting nor The Fast shows ads.
Which is updated more often, Just Fasting or The Fast?
Just Fasting ships an update every 2 days, and The Fast daily. Most recently, Just Fasting was updated on October 31, 2026 and The Fast on October 31, 2026.

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