# HiiT vs Interval Timer

The clearest difference is update cadence: Interval Timer at every 2 months against HiiT's every 6 months. Interval Timer also leads on device support (4 vs 2) and iOS requirement (13.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. HiiT sells 1 one-off in-app purchase and Interval Timer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

HiiT ships an update every 6 months, Interval Timer every 2 months. The most recent releases landed on September 9, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | HiiT | Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (246 ratings)](https://appshunter.io/ios/app/interval-timer-hiit-workout/id1596127692/reviews)** |
| Number of ratings | — | **246** |
| Positive reviews | — | 83.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 12 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Chia-Chun Hsieh](https://appshunter.io/developer/908221958) | [Yosyp Hameliak](https://appshunter.io/developer/895008826) |

## What reviewers say

### HiiT

[App page](https://appshunter.io/ios/app/hiit-training-timer/id1479666662)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-hiit-workout/id1596127692)

This interval timer is designed for HIIT and interval training. Easily set work and rest periods, sets, and rounds to guide your workouts. It supports background operation and music playback, with an Apple Watch companion app for heart rate monitoring.

**Highlights:** Customizable work and rest periods, Set number of sets and rounds, Background operation support, Music playback compatibility, Apple Watch integration, Heart rate monitoring (Apple Watch)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is HiiT free?

HiiT is free to download, with in-app purchases available.

### Is Interval Timer free?

Interval Timer is free to download, with in-app purchases available.

### Do HiiT or Interval Timer have ads?

Both HiiT and Interval Timer show ads.

### Which is updated more often, HiiT or Interval Timer?

HiiT ships an update every 6 months, and Interval Timer every 2 months. Most recently, HiiT was updated on September 9, 2026 and Interval Timer on September 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.*