# Fasting Timer by TrainerDay vs PerfectFast

The clearest difference is iOS requirement: Fasting Timer by TrainerDay at 15.1 against PerfectFast's 17.6. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.9 for Fasting Timer by TrainerDay against 5.0 for PerfectFast. Both are backed by a comparable volume of ratings — 18 and 8 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

## The numbers

| Metric | Fasting Timer by TrainerDay | PerfectFast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (18 ratings)](https://appshunter.io/ios/app/fasting-timer-by-trainerday/id6758466061/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/perfectfast-fasting-timer/id6759067877/reviews)** |
| Number of ratings | **18** | 8 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 9 days |
| Monetization | Free | Free |
| Size | 30 MB | 32 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 17+ | 12+ |
| Developer | [TrainerDay Inc](https://appshunter.io/developer/1816950052) | [Idan Lupinsky](https://appshunter.io/developer/1876630037) |

## What reviewers say

### Fasting Timer by TrainerDay

[App page](https://appshunter.io/ios/app/fasting-timer-by-trainerday/id6758466061)

This app simplifies intermittent fasting with a one-tap start and customizable durations. Track your progress visually and review your fasting history. It's designed for easy habit building without complex features.

**Highlights:** One-tap fast start, Customizable fasting durations, Flexible start times, Visual progress tracking, Fasting history, Shareable results

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### PerfectFast

[App page](https://appshunter.io/ios/app/perfectfast-fasting-timer/id6759067877)

This app helps you track intermittent and extended fasting periods with a clean, focused interface. It supports various fasting schedules, custom durations, and provides detailed history and statistics to monitor your progress.

**Highlights:** Intermittent and extended fast tracking, Custom fasting schedules, Fasting history and statistics, Reminders and notifications, Apple Watch companion app, Live Activity support

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Fasting Timer by TrainerDay free?

Fasting Timer by TrainerDay is free to download, with no in-app purchases.

### Is PerfectFast free?

PerfectFast is free to download, with no in-app purchases.

### Which has better reviews, Fasting Timer by TrainerDay or PerfectFast?

PerfectFast is rated higher. Fasting Timer by TrainerDay averages 4.9 out of 5 from 18 ratings, while PerfectFast averages 5.0 from 8 ratings.

### Do Fasting Timer by TrainerDay or PerfectFast have ads?

Neither Fasting Timer by TrainerDay nor PerfectFast shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*