# HIIT Timer vs Athlyn

The clearest difference is iOS requirement: HIIT Timer at 13.4 against Athlyn's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

HIIT Timer ships an update every 6 weeks, Athlyn monthly. The most recent releases landed on September 9, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | HIIT Timer | Athlyn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (42 ratings)](https://appshunter.io/ios/app/hiit-timer-training-timer/id1512459496/reviews)** | — |
| Number of ratings | **42** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 28 MB | 77 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Marc Prez Calmet](https://appshunter.io/developer/1481950395) | [ATHLYN TECHNOLOGIES LIMITED](https://appshunter.io/developer/1855125815) |

## What reviewers say

### HIIT Timer

[App page](https://appshunter.io/ios/app/hiit-timer-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

**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 HIIT Timer free?

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

### Is Athlyn free?

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

### Do HIIT Timer or Athlyn have ads?

Both HIIT Timer and Athlyn show ads.

### Which is updated more often, HIIT Timer or Athlyn?

HIIT Timer ships an update every 6 weeks, and Athlyn monthly. Most recently, HIIT Timer was updated on September 9, 2026 and Athlyn on September 13, 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.*