# : 528 AI — MCAT Study Engine vs MCAT Arcade

The clearest difference is in-app purchases: : 528 AI — MCAT Study Engine at none against MCAT Arcade's 2. : 528 AI — MCAT Study Engine also leads on update cadence (every 4 days vs every 10 days) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. MCAT Arcade sells 2 in-app purchases, starting at $6.99 per month. : 528 AI — MCAT Study Engine asks for nothing beyond the download.

: 528 AI — MCAT Study Engine ships an update every 4 days, MCAT Arcade every 10 days. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | : 528 AI — MCAT Study Engine | MCAT Arcade |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (14 ratings)](https://appshunter.io/ios/app/mcat-arcade/id6762875103/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 10 days |
| Monetization | — | Free with in-app purchases |
| Size | 36 MB | 4 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Abiy Selassie](https://appshunter.io/developer/1882640700) | [Kamery Williams](https://appshunter.io/developer/1895054094) |

## 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


### MCAT Arcade

[App page](https://appshunter.io/ios/app/mcat-arcade/id6762875103)

This app combines MCAT practice questions with engaging arcade games. Earn game breaks by answering questions correctly and building study streaks. It uses a reward-based learning system to make studying more effective and enjoyable.

**Highlights:** 1,000+ MCAT-style questions, 5 core subjects covered, Mixed Review mode, Spaced repetition learning, 6 unlockable arcade minigames, Customizable streak goals

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $6.99 | per month |
| Yearly | $39.99 | per year |


## 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 MCAT Arcade free?

MCAT Arcade is free to download, with in-app purchases available.

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

Neither : 528 AI — MCAT Study Engine nor MCAT Arcade shows ads.

### Which is updated more often, : 528 AI — MCAT Study Engine or MCAT Arcade?

: 528 AI — MCAT Study Engine ships an update every 4 days, and MCAT Arcade every 10 days. Most recently, : 528 AI — MCAT Study Engine was updated on October 7, 2026 and MCAT Arcade on October 24, 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.*