# FormaFit vs kach

The clearest difference is in-app purchases: FormaFit at none against kach's 1. FormaFit also leads on ads (none vs shown). kach's advantage is update cadence (every 2 days vs every 6 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. FormaFit asks for nothing beyond the download.

FormaFit ships an update every 6 weeks, kach every 2 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | FormaFit | kach |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Size | 58 MB | 100 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Brandon Moncada](https://appshunter.io/developer/1854443836) | [Boris Varshavskii](https://appshunter.io/developer/6779245696) |

## What reviewers say

### FormaFit

[App page](https://appshunter.io/ios/app/formafit/id6755534751)

**Features:** macOS Compatibility

**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 FormaFit free?

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

### Is kach free?

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

### Do FormaFit or kach have ads?

kach shows ads; FormaFit does not.

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

FormaFit ships an update every 6 weeks, and kach every 2 days. Most recently, FormaFit was updated on October 30, 2026 and kach 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.*