# whenprotein vs Calisthenics

The clearest difference is iOS requirement: whenprotein at 15.1 against Calisthenics's 26.2. 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.

## The numbers

| Metric | whenprotein | Calisthenics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Size | 30 MB | 7 MB |
| Requires iOS | **15.1** | 26.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Daniela Machado](https://appshunter.io/developer/1890299511) | [Terrace Software LLC](https://appshunter.io/developer/1811365046) |

## What reviewers say

### whenprotein

[App page](https://appshunter.io/ios/app/whenprotein/id6761573375)

**Features:** macOS Compatibility

**In-app purchases:** none


### Calisthenics

[App page](https://appshunter.io/ios/app/calisthenics-physique-builder/id6762088988)

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

**In-app purchases:** none


## Frequently asked questions

### Is whenprotein free?

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

### Is Calisthenics free?

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

### Do whenprotein or Calisthenics have ads?

Neither whenprotein nor Calisthenics shows ads.

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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.*