# GreenTheory vs Baby Ari

The clearest difference is iOS requirement: Baby Ari at 13.0 against GreenTheory's 16.4. 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 | GreenTheory | Baby Ari |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 75 MB | 54 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Theory Holding SPA](https://appshunter.io/developer/1674784689) | [fabio bechini](https://appshunter.io/developer/1896757879) |

## What reviewers say

### GreenTheory

[App page](https://appshunter.io/ios/app/greentheory/id6445917575)

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

**In-app purchases:** none


### Baby Ari

[App page](https://appshunter.io/ios/app/baby-ari/id6780440244)

**In-app purchases:** none


## Frequently asked questions

### Is GreenTheory free?

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

### Is Baby Ari free?

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

### Do GreenTheory or Baby Ari have ads?

Neither GreenTheory nor Baby Ari 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.*