# HIIT vs KlarGewicht

The clearest difference is in-app purchases: KlarGewicht at none against HIIT's 1. KlarGewicht also leads on update cadence (every 3 days vs every 10 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. HIIT sells 1 one-off in-app purchase. KlarGewicht asks for nothing beyond the download.

HIIT ships an update every 10 days, KlarGewicht every 3 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | HIIT | KlarGewicht |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 3 days** |
| Size | 55 MB | 4 MB |
| Requires iOS | 26.2 | **26.0** |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Daniel Meyer](https://appshunter.io/developer/1894025754) | [Thomas Stahmer](https://appshunter.io/developer/6799920369) |

## What reviewers say

### HIIT

[App page](https://appshunter.io/ios/app/hiit-runner/id6762391879)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HIIT Runner Pro – Lifetime | $3.99 | one-time |


### KlarGewicht

[App page](https://appshunter.io/ios/app/klargewicht/id6799920367)

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

**In-app purchases:** none


## Frequently asked questions

### Is HIIT free?

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

### Is KlarGewicht free?

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

### Do HIIT or KlarGewicht have ads?

Neither HIIT nor KlarGewicht shows ads.

### Which is updated more often, HIIT or KlarGewicht?

HIIT ships an update every 10 days, and KlarGewicht every 3 days. Most recently, HIIT was updated on October 31, 2026 and KlarGewicht on October 31, 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.*