# AAT Plus vs Medulla Mentor

The clearest difference is in-app purchases: Medulla Mentor at none against AAT Plus's 3. Medulla Mentor also leads on iOS requirement (12.0 vs 15.0). AAT Plus's advantage is update cadence (monthly vs every 8 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. AAT Plus sells 3 in-app purchases, starting at $5.99 per month. Medulla Mentor asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for AAT Plus against 5.0 for Medulla Mentor. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

AAT Plus ships an update monthly, Medulla Mentor every 8 months. The most recent releases landed on October 7, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | AAT Plus | Medulla Mentor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/aat-plus/id1527491925/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/medulla-mentor/id6469579767/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 8 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 112 MB | 578 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Smarty Ears](https://appshunter.io/developer/348779167) | [Duncan Salmon](https://appshunter.io/developer/1712229730) |

## What reviewers say

### AAT Plus

[App page](https://appshunter.io/ios/app/aat-plus/id1527491925)

This tool offers a comprehensive suite of screeners and assessments for articulation, including quick screeners, full assessments, sentence-level tests, and stimulability tests. It is designed to aid in evaluating speech sound production.

**Highlights:** Quick screener, Full assessment, Sentence level assessment, R Screener, Stimulability tests

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Unlimited Testing | $5.99 | per month |
| Yearly Unlimited Tests | $37.99 | per year |
| Purchase 5 tests | $5.99 | one-time |


### Medulla Mentor

[App page](https://appshunter.io/ios/app/medulla-mentor/id6469579767)

Explore detailed 3D models of the brainstem with interactive labels. Visualize anatomy in axial, coronal, and sagittal views, perfect for students studying neuroscience.

**Highlights:** Interactive 3D brainstem models, Axial, coronal, and sagittal views, Toggleable anatomical labels, Detailed medulla, pons, and midbrain views, Data courtesy of Duke In Vivo Microscopy

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AAT Plus free?

AAT Plus is free to download, with in-app purchases available.

### Is Medulla Mentor free?

Medulla Mentor is free to download, with no in-app purchases.

### Which has better reviews, AAT Plus or Medulla Mentor?

AAT Plus and Medulla Mentor are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do AAT Plus or Medulla Mentor have ads?

Neither AAT Plus nor Medulla Mentor shows ads.

### Which is updated more often, AAT Plus or Medulla Mentor?

AAT Plus ships an update monthly, and Medulla Mentor every 8 months. Most recently, AAT Plus was updated on October 7, 2026 and Medulla Mentor on September 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.*