# STM Yale vs MCAT Prep

The clearest difference is in-app purchases: STM Yale at none against MCAT Prep's 1. STM Yale also leads on iOS requirement (13.4 vs 16.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. MCAT Prep sells 1 one-off in-app purchase. STM Yale asks for nothing beyond the download.

STM Yale ships an update every 3 months, MCAT Prep every 5 months. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | STM Yale | MCAT Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Size | 48 MB | 22 MB |
| Requires iOS | **13.4** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [St Thomas More Chapel & Center At Yale University](https://appshunter.io/developer/1615965485) | [iAPPSSTUDIO](https://appshunter.io/developer/1830642259) |

## What reviewers say

### STM Yale

[App page](https://appshunter.io/ios/app/stm-yale/id1615965483)

**In-app purchases:** none


### MCAT Prep

[App page](https://appshunter.io/ios/app/mcat-prep-practice-tests/id6762444885)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Lifetime Access | $7.99 | one-time |


## Frequently asked questions

### Is STM Yale free?

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

### Is MCAT Prep free?

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

### Do STM Yale or MCAT Prep have ads?

Neither STM Yale nor MCAT Prep shows ads.

### Which is updated more often, STM Yale or MCAT Prep?

STM Yale ships an update every 3 months, and MCAT Prep every 5 months. Most recently, STM Yale was updated on October 7, 2026 and MCAT Prep 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.*