Comparison

Intermittent Fasting Timer vs Fasty

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

Head to head
About

Intermittent Fasting Timer

Track your fasting periods with a simple and intuitive timer. This app supports custom fasting windows, provides analytics, and allows manual entry or editing of past fasts. It also offers reminders and data export options.

Highlights
  • Custom fasting times
  • Fasting analytics
  • Manual fast entry
  • Data export to PDF
  • Simple timer
  • Reminders
  • Edit previous fasts
Features
Read full description

Serene Fasting tracker is the best app to track your fasts. It is good for window and intermittent fasting too. If you want to have the best tool to keep track of your fasts, this app is the right choice​. Serene supports: - Custom Fasting times - Analytics - Add fasts manually - Export data to PDF - Simple Timer - Reminders - Edit your previous fasts - Today Widget - Watch app This app optionally integrates with the Health App to track your weight. It is an opt-in feature that's accessible from the logs screen.

About

Fasty

This app helps users track intermittent fasting by monitoring fasting days and eating periods. It supports weight tracking in both pounds and kilograms and does not collect user data.

Highlights
  • Intermittent fasting tracking
  • Weight tracking
  • Fasting day monitoring
  • Eating period logging
  • Pound and kilogram support
  • No data collection
Read full description

Fasty: the Fasting Tracker helps you track your weight, the days you fast, and when you eat on non-fasting days (intermittent fasting). Fasty doesn't track any of your data, is free, and supports pounds and kilograms.

Screenshots

Intermittent Fasting Timer4 screens
Fasty4 screens

Verdict

The call

The clearest difference is in-app purchases: Fasty at none against Intermittent Fasting Timer's 1. Intermittent Fasting Timer's advantage is update cadence (every 6 weeks vs every 16 months) and ratings volume (806 vs 7). On price, rating, review sentiment and ads 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 Timer sells 1 one-off in-app purchase. Fasty asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Intermittent Fasting Timer against 4.9 for Fasty. That said, the two scores are not equally well evidenced: Intermittent Fasting Timer has 806 ratings behind it against 7, so its average is the more settled of the two. Written reviews are what separate them: 96% of Intermittent Fasting Timer's written reviews are positive against 100% of Fasty's.

UpkeepUpdate frequency

Intermittent Fasting Timer ships an update every 6 weeks, Fasty every 16 months. The most recent releases landed on October 9, 2026 and October 1, 2026 respectively.

Scorecard4 real differences · 6 level
Intermittent Fasting Timer versus Fasty: the parameters behind the verdict, then further details
ParameterIntermittent Fasting TimerFasty
PriceFreeFree
Rating4.8 (806 ratings)4.9 (7 ratings) — better
Positive reviews96.0% of reviews100.0% of reviews — better
Number of ratings806 — better7
Update frequencyEvery 6 weeks — betterEvery 16 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPod, Apple WatchiPhone, iPad, iPod
Requires iOS13.0 — better14.0
Further details — not scored
Size11 MB2 MB
Age rating4+4+
DeveloperTeleprompter LLCForest and the Trees, LLC

Customer experience

Intermittent Fasting Timer

All ratings806 ratings
Positive96.3%
Neutral2.2%
Negative1.5%
Written reviews325 reviews
Positive96.0%
Neutral2.5%
Negative1.5%

Fasty

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Intermittent Fasting Timer

Reported bugs

2 issues
  • Incorrect display of past weight data
  • Occasional app crashes or freezes

Requested features

3 requests
  • Add option to set custom fasting duration limits
  • Improve data/statistics display and organization
  • Implement Apple Watch integration to control fasting timer

Fasty

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Intermittent Fasting Timer

One-time1
  • Serene Pro ModeFree
None

Fasty

No in-app purchases

Questions

Is Intermittent Fasting Timer free?
Intermittent Fasting Timer is free to download, with in-app purchases available.
Is Fasty free?
Fasty is free to download, with no in-app purchases.
Which has better reviews, Intermittent Fasting Timer or Fasty?
Fasty is rated higher. Intermittent Fasting Timer averages 4.8 out of 5 from 806 ratings, while Fasty averages 4.9 from 7 ratings.
Do Intermittent Fasting Timer or Fasty have ads?
Neither Intermittent Fasting Timer nor Fasty shows ads.
Which is updated more often, Intermittent Fasting Timer or Fasty?
Intermittent Fasting Timer ships an update every 6 weeks, and Fasty every 16 months. Most recently, Intermittent Fasting Timer was updated on October 9, 2026 and Fasty on October 1, 2026.

Other comparisons