# : 528 AI — MCAT Study Engine vs Tekimei Math

The clearest difference is update cadence: : 528 AI — MCAT Study Engine at every 4 days against Tekimei Math's every 3 weeks. : 528 AI — MCAT Study Engine also leads on iOS requirement (15.1 vs 26.0). 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.

: 528 AI — MCAT Study Engine ships an update every 4 days, Tekimei Math every 3 weeks. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | : 528 AI — MCAT Study Engine | Tekimei Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 36 MB | 2 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Abiy Selassie](https://appshunter.io/developer/1882640700) | [Michael Chan](https://appshunter.io/developer/1890357297) |

## 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


### Tekimei Math

[App page](https://appshunter.io/ios/app/tekimei-math/id6761586288)

**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 Tekimei Math free?

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

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

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

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

: 528 AI — MCAT Study Engine ships an update every 4 days, and Tekimei Math every 3 weeks. Most recently, : 528 AI — MCAT Study Engine was updated on October 7, 2026 and Tekimei Math on October 6, 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.*