# ZenMotion · Calisthenics vs Kin | Performance Intelligence

The clearest difference is update cadence: ZenMotion · Calisthenics at daily against Kin | Performance Intelligence's fortnightly. Kin | Performance Intelligence's advantage is iOS requirement (16.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

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

ZenMotion · Calisthenics ships an update daily, Kin | Performance Intelligence fortnightly. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ZenMotion · Calisthenics | Kin | Performance Intelligence |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Fortnightly |
| Size | 36 MB | 56 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Jacob Fredriksson](https://appshunter.io/developer/1799779888) | [Kin Wellness AB](https://appshunter.io/developer/1845785387) |

## What reviewers say

### ZenMotion · Calisthenics

[App page](https://appshunter.io/ios/app/zenmotion-calisthenics/id6742753990)

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

**In-app purchases:** none


### Kin | Performance Intelligence

[App page](https://appshunter.io/ios/app/kin-performance-intelligence/id6753932157)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZenMotion · Calisthenics free?

ZenMotion · Calisthenics is free to download, with no in-app purchases.

### Is Kin | Performance Intelligence free?

Kin | Performance Intelligence is free to download, with no in-app purchases.

### Do ZenMotion · Calisthenics or Kin | Performance Intelligence have ads?

Neither ZenMotion · Calisthenics nor Kin | Performance Intelligence shows ads.

### Which is updated more often, ZenMotion · Calisthenics or Kin | Performance Intelligence?

ZenMotion · Calisthenics ships an update daily, and Kin | Performance Intelligence fortnightly. Most recently, ZenMotion · Calisthenics was updated on November 8, 2026 and Kin | Performance Intelligence on October 30, 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.*