# : 528 AI — MCAT Study Engine vs Amino Master

The clearest difference is device support: : 528 AI — MCAT Study Engine at 3 against Amino Master's 1. On price, ads, in-app purchases and iOS requirement 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 | : 528 AI — MCAT Study Engine | Amino Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Size | 36 MB | 29 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Abiy Selassie](https://appshunter.io/developer/1882640700) | [潮毅 林](https://appshunter.io/developer/1892921164) |

## What reviewers say

### : 528 AI — MCAT Study Engine

[App page](https://appshunter.io/ios/app/528-ai-mcat-study-engine/id6760100060)

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

**In-app purchases:** none


### Amino Master

[App page](https://appshunter.io/ios/app/amino-master/id6763341322)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is : 528 AI — MCAT Study Engine free?

: 528 AI — MCAT Study Engine is free to download, with no in-app purchases.

### Is Amino Master free?

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

### Do : 528 AI — MCAT Study Engine or Amino Master have ads?

Neither : 528 AI — MCAT Study Engine nor Amino Master 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.*