# Fasting Timer by TrainerDay vs Fastily

The clearest difference is iOS requirement: Fasting Timer by TrainerDay at 15.1 against Fastily's 18.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Fasting Timer by TrainerDay | Fastily |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (12 ratings)](https://appshunter.io/ios/app/fasting-timer-by-trainerday/id6758466061/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Monetization | Free | — |
| Size | 30 MB | 25 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [TrainerDay Inc](https://appshunter.io/developer/1816950052) | [Filippa Steiner](https://appshunter.io/developer/1761850983) |

## 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


### Fastily

[App page](https://appshunter.io/ios/app/fastily-intermittent-fasting/id6763754271)

**Features:** macOS Compatibility

**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 Fastily free?

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

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

Neither Fasting Timer by TrainerDay nor Fastily 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.*