# HIITTimer vs Athlyn

The clearest difference is ads: Athlyn at none against HIITTimer's shown. Athlyn also leads on update cadence (every 6 days vs every 6 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

HIITTimer ships an update every 6 weeks, Athlyn every 6 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | HIITTimer | Athlyn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (43 ratings)](https://appshunter.io/ios/app/hiittimer-training-timer/id1512459496/reviews)** | — |
| Number of ratings | **43** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 6 days** |
| Monetization | Ad-supported | — |
| Size | 63 MB | 80 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Marc Prez Calmet](https://appshunter.io/developer/1481950395) | [Athlyn Technologies Limited](https://appshunter.io/developer/1855125815) |

## What reviewers say

### HIITTimer

[App page](https://appshunter.io/ios/app/hiittimer-training-timer/id1512459496)

This app provides a versatile timer for various high-intensity interval training routines like HIIT, EMOM, and Tabata. It allows users to create custom workouts, track progress, and offers multiple training modes with an intuitive interface.

**Highlights:** Customizable interval timers, Support for HIIT, EMOM, Tabata, AMRAP, Progress tracking for workouts, Multiple training modes, Intuitive and easy-to-use interface

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

**In-app purchases:** none


### Athlyn

[App page](https://appshunter.io/ios/app/athlyn/id6758803089)

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

**In-app purchases:** none


## Frequently asked questions

### Is HIITTimer free?

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

### Is Athlyn free?

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

### Do HIITTimer or Athlyn have ads?

HIITTimer shows ads; Athlyn does not.

### Which is updated more often, HIITTimer or Athlyn?

HIITTimer ships an update every 6 weeks, and Athlyn every 6 days. Most recently, HIITTimer was updated on October 25, 2026 and Athlyn on October 28, 2026.

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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.*