# ZenMotion · Calisthenics vs Repstack

The clearest difference is in-app purchases: Repstack at none against ZenMotion · Calisthenics's 1. ZenMotion · Calisthenics's advantage is update cadence (daily vs every 5 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ZenMotion · Calisthenics sells 1 in-app purchase, starting at $3.99 per month. Repstack asks for nothing beyond the download.

ZenMotion · Calisthenics ships an update daily, Repstack every 5 days. The most recent releases landed on October 28, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | ZenMotion · Calisthenics | Repstack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 5 days |
| Size | 35 MB | 3 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Jacob Fredriksson](https://appshunter.io/developer/1799779888) | [Jakub Chojnacki](https://appshunter.io/developer/1896497101) |

## What reviewers say

### ZenMotion · Calisthenics

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

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |


### Repstack

[App page](https://appshunter.io/ios/app/repstack-calisthenics/id6788094307)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZenMotion · Calisthenics free?

ZenMotion · Calisthenics is free to download, with in-app purchases available.

### Is Repstack free?

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

### Do ZenMotion · Calisthenics or Repstack have ads?

Neither ZenMotion · Calisthenics nor Repstack shows ads.

### Which is updated more often, ZenMotion · Calisthenics or Repstack?

ZenMotion · Calisthenics ships an update daily, and Repstack every 5 days. Most recently, ZenMotion · Calisthenics was updated on October 28, 2026 and Repstack on October 13, 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.*