# MN Executive Function Scale vs Fast AAC

The clearest difference is rating: Fast AAC at 4.4 against MN Executive Function Scale's 3.0. Fast AAC also leads on review sentiment (80% vs 50%) and update cadence (every 3 days vs every 2 months). MN Executive Function Scale's advantage is in-app purchases (none vs 1) and iOS requirement (15.1 vs 17). On price, ads and device support there is nothing between them.

Both are free to download. Fast AAC sells 1 one-off in-app purchase. MN Executive Function Scale asks for nothing beyond the download.

Fast AAC holds the better App Store score, 4.4 against 3.0. Both are backed by a comparable volume of ratings — 2 and 8 respectively. Written reviews point the same way: 50% of MN Executive Function Scale's written reviews are positive against 80% of Fast AAC's.

MN Executive Function Scale ships an update every 2 months, Fast AAC every 3 days. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | MN Executive Function Scale | Fast AAC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/mn-executive-function-scale/id967184252/reviews) | **[4.4 (8 ratings)](https://appshunter.io/ios/app/fast-aac/id6751174676/reviews)** |
| Number of ratings | 2 | **8** |
| Positive reviews | 50.0% of reviews | **80.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 31 MB | 405 MB |
| Requires iOS | **15.1** | 17 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Reflection Sciences LLC](https://appshunter.io/developer/967184251) | [Martin Saetre](https://appshunter.io/developer/1833821205) |

## What reviewers say

### MN Executive Function Scale

[App page](https://appshunter.io/ios/app/mn-executive-function-scale/id967184252)

This app provides a brief, standardized assessment of executive function skills for ages 2 and up. Developed by neuroscience experts, it uses an engaging virtual card-sorting game to measure cognitive flexibility, working memory, and inhibitory control. Results are accessible via a secure web portal for tracking growth and early detection of difficulties.

**Highlights:** Standardized executive function assessment, Virtual card-sorting game, Adaptive to individual ability, Measures cognitive flexibility, working memory, inhibitory control, Secure web portal for score access and tracking, Early detection of EF difficulties, Formative assessment for educational programs

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

**In-app purchases:** none


### Fast AAC

[App page](https://appshunter.io/ios/app/fast-aac/id6751174676)

This communication app provides a voice for individuals with speech challenges, offering a customizable platform with a vast library of image tiles and smart suggestions. It supports multiple languages and works offline, empowering users to communicate independently and confidently.

**Highlights:** 4000+ image tiles, Customizable layouts, Multilingual support, Time-saving predictions, Offline functionality, Light and dark modes

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fast AAC Premium | $12.99 | one-time |


## Frequently asked questions

### Is MN Executive Function Scale free?

MN Executive Function Scale is free to download, with no in-app purchases.

### Is Fast AAC free?

Fast AAC is free to download, with in-app purchases available.

### Which has better reviews, MN Executive Function Scale or Fast AAC?

Fast AAC is rated higher. MN Executive Function Scale averages 3.0 out of 5 from 2 ratings, while Fast AAC averages 4.4 from 8 ratings.

### Do MN Executive Function Scale or Fast AAC have ads?

Neither MN Executive Function Scale nor Fast AAC shows ads.

### Which is updated more often, MN Executive Function Scale or Fast AAC?

MN Executive Function Scale ships an update every 2 months, and Fast AAC every 3 days. Most recently, MN Executive Function Scale was updated on October 24, 2026 and Fast AAC on October 30, 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.*