# Gym Control vs Kalk

The clearest difference is update cadence: Kalk at every 3 days against Gym Control's every 22 months. Gym Control's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Gym Control ships an update every 22 months, Kalk every 3 days. Both last shipped on October 29, 2026.

## The numbers

| Metric | Gym Control | Kalk |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 3 days** |
| Size | 11 MB | 32 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Gym Control AB](https://appshunter.io/developer/898702030) | [Wexla Stockholm](https://appshunter.io/developer/6797542034) |

## What reviewers say

### Gym Control

[App page](https://appshunter.io/ios/app/gym-control/id1462053445)

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

**In-app purchases:** none


### Kalk

[App page](https://appshunter.io/ios/app/kalk/id6797542032)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gym Control free?

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

### Is Kalk free?

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

### Do Gym Control or Kalk have ads?

Neither Gym Control nor Kalk shows ads.

### Which is updated more often, Gym Control or Kalk?

Gym Control ships an update every 22 months, and Kalk every 3 days. Most recently, Gym Control was updated on October 29, 2026 and Kalk on October 29, 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.*