# Фитно vs kach

The clearest difference is in-app purchases: Фитно at none against kach's 1. Фитно also leads on ads (none vs shown). kach's advantage is update cadence (every 2 days vs every 2 weeks). On price, device support and iOS requirement there is nothing between them.

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

Фитно ships an update every 2 weeks, kach every 2 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | Фитно | kach |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 35 MB | 100 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Aleksandr Kaisin](https://appshunter.io/developer/1815954409) | [Boris Varshavskii](https://appshunter.io/developer/6779245696) |

## What reviewers say

### Фитно

[App page](https://appshunter.io/ios/app/workout-diary/id6759862078)

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

**In-app purchases:** none


### kach

[App page](https://appshunter.io/ios/app/kach-gym-and-workout-tracker/id6779245693)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $7.99 | one-time |


## Frequently asked questions

### Is Фитно free?

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

### Is kach free?

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

### Do Фитно or kach have ads?

kach shows ads; Фитно does not.

### Which is updated more often, Фитно or kach?

Фитно ships an update every 2 weeks, and kach every 2 days. Most recently, Фитно was updated on October 28, 2026 and kach 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.*