# One Academy® vs Happy Shell AI

The clearest difference is in-app purchases: One Academy® at none against Happy Shell AI's 1. One Academy® also leads on iOS requirement (16.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Happy Shell AI sells 1 in-app purchase, starting at $7.99 per 7 days. One Academy® asks for nothing beyond the download.

## The numbers

| Metric | One Academy® | Happy Shell AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 195 MB | 24 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [One Transformation Academy Ltd](https://appshunter.io/developer/1700693066) | [Ivan Khaustov](https://appshunter.io/developer/1691888326) |

## What reviewers say

### One Academy®

[App page](https://appshunter.io/ios/app/one-academy/id6456945569)

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

**In-app purchases:** none


### Happy Shell AI

[App page](https://appshunter.io/ios/app/happy-shell-ai/id6755878389)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Free week trial subscription | $7.99 | per 7 days |


## Frequently asked questions

### Is One Academy® free?

One Academy® is free to download, with no in-app purchases.

### Is Happy Shell AI free?

Happy Shell AI is free to download, with in-app purchases available.

### Do One Academy® or Happy Shell AI have ads?

Neither One Academy® nor Happy Shell AI 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.*