Comparison

The Fast vs Faaast

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

Head to head
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.

About

Faaast

Features
Read full description

Faaast is the intermittent fasting tracker that does it all, and keeps it to itself. Start a fast in one tap, watch the hours fill, and see your habit take shape day by day. No account, no ads, no noise. TRACK EVERY FAST • 16:8, 18:6, 20:4, OMAD, 12:12, 14:10, 36 hours, or your own length • Watch the hours fill on the timer style you like: hour blocks, ticks, gauge, filling disc or digital • Go past your goal and the extra hours burn as flame blocks • Got the time wrong? Change any start or end afterwards • Widgets for your Home Screen and Lock Screen, including one that starts or ends a fast with a tap • Reminders at halfway, at your goal, before your eating window closes and to keep your streak alive SEE YOUR HABIT TAKE SHAPE • A calendar where every fast lands on the day it ends, and good days join up into streaks • See your calendar by goals reached or by hours fasted • Tap any day to see its fasts, water and weight, and edit or delete a fast • Compare this month with the last, and look back over every past month • Your records: average and longest fast, total hours, current and best streak, consistency and the time you usually start • A weekly goal that fits how you fast • A recap card for every week and month in three styles, Faaast, Blocks and Paper, ready to share TRACK YOUR WEIGHT AND YOUR PROGRESS • Log your weight, pick kg, lb or stones, and set a goal • Take a progress photo each month or week, kept only on your iPhone, with an optional Face ID lock • A faint guide from your last photo helps you line up the same pose • Swap the background of your photos for clean white or paper, done on your iPhone • Put any two photos side by side and see what the scale can't STAY MOTIVATED • 62 achievements for fasts, hours, streaks, weekly goals and a few hidden ones to find • Badges change colour as you level up, with a shine when you unlock one MAKE IT YOURS • Light and dark mode • Three app icons to choose from: Ink, Paper and Ember PRIVATE BY DESIGN • No account and no sign-up. Your fasts, weight and photos stay on your iPhone, and in your own iCloud if you turn on backup. • Bring your history from another fasting app (CSV or JSON), and export everything any time FAAAST PRO Unlock more out of every fast: • Fasting stages: what your body is typically doing, hour by hour, with an alert as you reach each stage • Water and electrolytes, logged with one tap • Your weight trend and goal on a chart, next to your fasts • Weight sync with Apple Health • Automatic iCloud backup, and your history restored on a new iPhone in one tap • Three extra timer styles: Flip clock, Countdown and Departure board • A progress photo every day Faaast Pro is €69.99 a year, €5.99 a month, or €79.99 once for life. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in your App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://faaastapp.com/privacy/ Faaast isn't medical advice. Talk to your doctor before fasting, and don't fast without medical advice if you're pregnant or breastfeeding, under 18, have had an eating disorder, or take insulin or other glucose-lowering medication.

Screenshots

The Fast4 screens
Faaast4 screens

Verdict

The call

The clearest difference is in-app purchases: The Fast at none against Faaast's 3. The Fast also leads on update cadence (daily vs every 8 days). On price, ads, device support and iOS requirement 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. Faaast sells 3 in-app purchases, starting at $4.99 per month. The Fast asks for nothing beyond the download.

UpkeepUpdate frequency

The Fast ships an update daily, Faaast every 8 days. The most recent releases landed on October 31, 2026 and November 1, 2026 respectively.

Scorecard2 real differences · 8 level
The Fast versus Faaast: the parameters behind the verdict, then further details
ParameterThe FastFaaast
PriceFreeFree
Rating5.0 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyDaily — betterEvery 8 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhoneiPhone
Requires iOS16.416.4
Further details — not scored
Size31 MB57 MB
Age rating4+12+
DeveloperPrime Adventure LLCArecon LP

In-app purchases

None

The Fast

No in-app purchases

3 purchases

Faaast

Subscriptions2
  • Faaast Pro Monthly$4.991 Month
  • Faaast Pro Yearly$34.991 Year
One-time1
  • Faaast Pro Lifetime$69.99

Questions

Is The Fast free?
The Fast is free to download, with no in-app purchases.
Is Faaast free?
Faaast is free to download, with in-app purchases available.
Do The Fast or Faaast have ads?
Neither The Fast nor Faaast shows ads.
Which is updated more often, The Fast or Faaast?
The Fast ships an update daily, and Faaast every 8 days. Most recently, The Fast was updated on October 31, 2026 and Faaast on November 1, 2026.

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