# Avaz AAC vs MN Executive Function Scale

The clearest difference is rating: Avaz AAC at 4.1 against MN Executive Function Scale's 3.0. Avaz AAC also leads on ratings volume (316 vs 2) and review sentiment (60% vs 50%). MN Executive Function Scale's advantage is in-app purchases (none vs 5) and update cadence (every 2 months vs every 4 months). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Avaz AAC sells 4 in-app purchases, starting at $9.99 per month. MN Executive Function Scale asks for nothing beyond the download.

Avaz AAC holds the better App Store score, 4.1 against 3.0. That said, the two scores are not equally well evidenced: Avaz AAC has 316 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 60% of Avaz AAC's written reviews are positive against 50% of MN Executive Function Scale's.

Avaz AAC ships an update every 4 months, MN Executive Function Scale every 2 months. The most recent releases landed on October 15, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Avaz AAC | MN Executive Function Scale |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (316 ratings)](https://appshunter.io/ios/app/avaz-aac/id909574843/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/mn-executive-function-scale/id967184252/reviews) |
| Number of ratings | **316** | 2 |
| Positive reviews | **60.2% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 169 MB | 31 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Avaz, Inc.](https://appshunter.io/developer/904985795) | [Reflection Sciences LLC](https://appshunter.io/developer/967184251) |

## What reviewers say

### Avaz AAC

[App page](https://appshunter.io/ios/app/avaz-aac/id909574843)

This app empowers individuals with speech difficulties to communicate freely. It aids language development by presenting core words and allows users to form sentences and express themselves with over 40,000 pictures and high-quality voices. Customizable themes and effortless backup options enhance the user experience.

**Highlights:** Symbol-based communication, Text-to-speech functionality, Customizable themes, Automatic vocabulary backup, Research-based language development, High-quality voices

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Avaz Auto Renewing Subscription | $9.99 | per month |
| Avaz Yearly Subscription | $99.99 | per year |
| Lifetime Subscription | $199.99 | one-time |
| Lifetime Subscription | $299.99 | one-time |

**What reviewers like**

- 👍 User-friendly interface and easy navigation
- 🎯 Highly customizable to individual needs
- 🗣️ Clear, natural-sounding voice options
- 💬 Effective communication tool for non-verbal users
- 🎨 Clear and intuitive icons

**What reviewers complain about**

- 💸 High subscription cost ($300 lifetime, $10+ monthly)
- ⏰ Short free trial period (14 days only)
- 🚫 Misleading free trial marketing
- 🔇 Voice feature disabled after trial ends
- 🐛 Frequent app crashes and freezing

**Reported bugs**

- App crashes when typing or entering letters
- Screen freezes when searching for pictures
- Voice functionality stops working randomly
- Audio not playing despite correct volume settings
- App loses voice after several uses

**Requested features**

- Free or significantly reduced pricing for disabled users
- Longer free trial period (20+ days suggested)
- Ability to save and reuse phrases
- Online two-way communication capability
- Video and user-created image support


### 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


## Frequently asked questions

### Is Avaz AAC free?

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

### Is MN Executive Function Scale free?

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

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

Avaz AAC is rated higher. Avaz AAC averages 4.1 out of 5 from 316 ratings, while MN Executive Function Scale averages 3.0 from 2 ratings.

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

Neither Avaz AAC nor MN Executive Function Scale shows ads.

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

Avaz AAC ships an update every 4 months, and MN Executive Function Scale every 2 months. Most recently, Avaz AAC was updated on October 15, 2026 and MN Executive Function Scale on October 2, 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.*