Comparison

Avaz AAC vs MN Executive Function Scale

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Avaz AAC

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
Read full description

Avaz AAC is an assistive communication app that empowers children & adults with Autism, Cerebral Palsy, Down Syndrome, Aphasia, Apraxia, and individuals with speech difficulties to communicate freely and build meaningful relationships. “My daughter has nearly mastered navigation, so much so that one day she brought it to me to show me she wanted Taco Bell for lunch. This made me cry. My child had a voice for the first time. Thank you for being the one to give my daughter that "voice". - Amy Kinderman Designed to aid language development, by presenting core words, which make up 80% of everyday speech, in a research-based order. This enables users to progress from using 1-2 word phrases to forming complete sentences. Avaz, a fully AAC text-to-speech app with over 40,000 pictures(Symbolstix) and a range of high-quality voices, enables users to form sentences and express themselves with ease quickly. Avaz is a customizable AAC app that empowers users to express themselves authentically and build meaningful connections! Effortless Backup and Themes Enjoy the convenience of auto backup for worry-free vocabulary progress. Simply choose how often you want your vocabulary progress backed up with our auto-backup interval selection option. Never lose your progress again! We understand our users have different preferences for cloud storage, so we made it easy to back up your vocabulary to your preferred platform, including popular ones like Google Drive. Explore our visual themes - Classic Light, Classic Dark (with high contrast), and Outer Space (a dark mode). Our default dark mode has been beneficial for adult users and those using Avaz with eye-tracking devices. Try Avaz AAC's free 14-day trial without adding credit card details! Make in-app purchases and choose from our affordable monthly, yearly, and lifetime subscription plans to keep benefiting from the amazing features. Now available in English US, English UK, Français, Dansk, Svenska, Magyar, Føroyskt is fully compatible with iPads and iPhones. If you’re new to AAC, don’t worry! Visit www.avazapp.com for beginner-friendly articles to help you get started. Connect with our passionate Avaz community on Facebook and other social media platforms. We are always happy to hear from you. For any assistance, please write to us at support@avazapp.com Note: Avaz AAC - Lifetime Edition is available for a one-time purchase and offers a 50% discount with VPP for 20+ licenses. Terms of Use - https://www.avazapp.com/terms-of-use/ Privacy Policy - https://www.avazapp.com/privacy-policy/

About

MN Executive Function Scale

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
Read full description

The Minnesota Executive Function Scale (MEFS) is a subscription service for assessing executive function skills using a brief, standardized instrument administered on an iPad®. Executive function refers to the neuro-cognitive skills needed for successful learning and performance in school, at work, and in life. They include cognitive flexibility, working memory, and inhibitory control. How does the MEFS work? The MEFS is easy to use, but is intended to be administered only by trained and certified examiners. That is how you can be sure the MEFS results and norms are reliable and valid. The App will be fully accessible to subscribing organizations with secure login credentials provided by Reflection Sciences upon signed user license agreement. FEATURES + Created by leading research experts in developmental neuroscience + Early childhood version designed for ages 2-7 + Select an avatar to play along + Virtual card-sorting game with 7 levels of challenge + Intuitive drag and drop responses + Adaptive to individual EF ability + Takes 3 to 7 min to complete (average 4 min) + Reliable, valid, and normed + Backed by a secure web portal to immediately access scores and track growth on individuals or groups + Screening provides early detection of potential EF difficulties + Formative assessment complements educational curricula and programs designed to improve EF skills + Youth and Adult U.S. norms based on over 34,000 individuals

Screenshots

Avaz AAC4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard7 real differences · 3 level
Avaz AAC versus MN Executive Function Scale: the parameters behind the verdict, then further details
ParameterAvaz AACMN Executive Function Scale
PriceFreeFree
Rating4.1 (316 ratings) — better3.0 (2 ratings)
Positive reviews60.2% of reviews — better50.0% of reviews
Number of ratings316 — better2
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPad, iPod — betteriPad
Requires iOS14.0 — better15.1
Further details — not scored
Size169 MB31 MB
Age rating4+4+
DeveloperAvaz, Inc.Reflection Sciences LLC

Customer experience

Avaz AAC

All ratings316 ratings
Positive77.2%
Neutral7.9%
Negative14.9%
Written reviews93 reviews
Positive60.2%
Neutral12.9%
Negative26.9%

MN Executive Function Scale

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Bugs and requests

Avaz AAC

Reported bugs

11 issues
  • 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
Show 6 more
  • Backup import puts boards into single folder instead of original structure
  • Screen rotation issues with keyboard
  • App takes long time to load on tablets
  • Sentence word order incorrect with screen reader (words with icons read last)
  • Internet connection error during subscription
  • Slow customer support response times

Requested features

10 requests
  • 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
Show 5 more
  • Vertical orientation option for small hands
  • Extended gender identity options beyond binary
  • Automatic phrase copying without premium
  • Lifetime membership after extended subscription period
  • Picture upload and backup/restore functionality

MN Executive Function Scale

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Avaz AAC

Subscriptions2
  • Avaz Auto Renewing Subscription$9.991 Month
  • Avaz Yearly Subscription$99.991 Year
One-time2
  • Lifetime Subscription2 variants$199.99
  • Lifetime Subscription$299.99
None

MN Executive Function Scale

No in-app purchases

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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