# Klemy vs HIIT

The clearest difference is update cadence: Klemy at every 4 days against HIIT's every 10 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Klemy sells 6 in-app purchases, starting at $4.99 per month and HIIT sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Klemy ships an update every 4 days, HIIT every 10 days. The most recent releases landed on October 30, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Klemy | HIIT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (9 ratings)](https://appshunter.io/ios/app/klemy-treadmill-workouts/id6744367820/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 10 days |
| Monetization | Free with in-app purchases | — |
| Size | 76 MB | 55 MB |
| Requires iOS | **26.0** | 26.2 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [Vsevolod Klementjev](https://appshunter.io/developer/393972290) | [Daniel Meyer](https://appshunter.io/developer/1894025754) |

## What reviewers say

### Klemy

[App page](https://appshunter.io/ios/app/klemy-treadmill-workouts/id6744367820)

This app guides you through various treadmill workouts, including popular plans like 12-3-30 and Norwegian 4x4. It automatically adjusts speed and incline on compatible treadmills or provides manual prompts for others. Track your progress, heart rate, and even shoe mileage.

**Highlights:** Pre-set and custom treadmill workouts, Automatic speed/incline adjustment (FTMS), Manual speed/incline prompts, Heart rate and zone tracking, Shoe mileage and treadmill care logs, Workout export (FIT/TCX), Live Activities and widgets

**Features:** Family Sharing, Apple Watch app, iPhone Duo support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Training Pass - Monthly | $4.99 | per month |
| Family Pass - Monthly | $7.99 | per month |
| Training Pass - Annual | $24.99 | per year |
| Family Pass - Annual | $39.99 | per year |
| Lifetime | $79.99 | one-time |
| Family Lifetime | $119.99 | one-time |


### 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 |


## Frequently asked questions

### Is Klemy free?

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

### Is HIIT free?

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

### Do Klemy or HIIT have ads?

Neither Klemy nor HIIT shows ads.

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

Klemy ships an update every 4 days, and HIIT every 10 days. Most recently, Klemy was updated on October 30, 2026 and HIIT on October 6, 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.*