MN Executive Function Scale vs Weave Chat AAC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
Read full descriptionHide 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
Weave Chat AAC
This app provides a customizable Augmentative and Alternative Communication (AAC) system. It features a wide range of vocabulary with color-coded categories and allows users to add their own images, phrases, and voices. Users can also modify board layouts and lock customization settings.
- Customizable AAC boards
- Extensive vocabulary with weekly updates
- Add custom images and categories
- Create and save custom phrases
- Select synthetic voice
- Modify board layouts
- Passcode lock for customization
Read full descriptionHide full description
Weave Chat AAC is a free, dynamic, and completely customizable AAC app that is available to a variety of devices. There are over 3,500 pre-configured words with a symbol library including more than 65,000 symbols that you can choose from. Weave Chat AAC offers a large variety of verbs (green), pronouns (yellow), questions (purple), nouns (tan/orange), adjectives (blue), and conversational words (pink). All color choices were made based on the Fitzgerald Key and new vocabulary is added weekly. Users can add their own custom images and categories in Settings —> Manage Custom Images. In addition, users can add their own custom phrases that can easily be accessed from their board; to add phrases, go to Settings —> Manage Phrases. Users can select a synthetic voice (dependent on their device settings) from Settings —> Change Voice Settings - here you can select your voice, vocal pitch, and rate of speech. Image and text size can be personalized from Settings —> Change Image & Text Size (select from default - small, medium, and large). Settings —> Configure Image Keyboard allows the user to turn on/off features that allow for the category text to be read aloud (synthetic voice for categories), to keep the user in the category after a image has been selected (stay on category after image selection), and disable the speech output for individual words so that it only reads aloud when the white text screen is touched (synthetic voice disabled for individual words). The AAC board can be modified in Settings —> Manage Board Builder. Here, the user can select from the default board (you must make a copy to edit it - to do this select “Add new keyboard” and then select “Hide Images” for Type of Keyboard); grid position boards (ranging in size from 1x2 - 7x15 rows/columns); and Board Builder (gives you the option to build a board from scratch). All boards are completely editable and all custom images and categories can be used from all boards. Lastly, Manage Pin Configuration allows the user to set a pin over all (or just some) aspects of customization to lock down features as needed. Feature List: - Dynamic, customizable, AAC boards - Large variety of verbs, nouns, and adjectives with additional vocabulary added weekly - Add custom images and custom categories - Create and save phrases - Select a synthetic voice (as available per your device settings) - Copy & Paste AAC picture icon messages via “share” - Create and/or modify AAC boards via 3 options: grid position boards (ranging from 1x2 - 7x15), hide images, and/or create a new board from scratch - “Text” others who have the app using AAC picture icons - Set a passcode to lock down features as needed - Weave Chat AAC currently only has English buttons/images
Screenshots
Verdict
The clearest difference is rating: Weave Chat AAC at 4.7 against MN Executive Function Scale's 3.0. Weave Chat AAC also leads on monetization model (free vs subscription) and update cadence (weekly vs every 2 months). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Weave Chat AAC holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Weave Chat AAC has 527 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 50% of MN Executive Function Scale's written reviews are positive against 80% of Weave Chat AAC's.
MN Executive Function Scale ships an update every 2 months, Weave Chat AAC weekly. The most recent releases landed on October 2, 2026 and October 12, 2026 respectively.
| Parameter | MN Executive Function Scale | Weave Chat AAC |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) | 4.7 (527 ratings) — better |
| Positive reviews | 50.0% of reviews | 79.8% of reviews — better |
| Number of ratings | 2 | 527 — better |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Subscription | Free — better |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 31 MB | 115 MB |
| Age rating | 4+ | 4+ |
| Developer | Reflection Sciences LLC | Weave Chat, LLC |
Customer experience
MN Executive Function Scale
Weave Chat AAC
Bugs and requests
MN Executive Function Scale
Not enough reviews yet to summarise bugs or requests.
Weave Chat AAC
Reported bugs
3 issues- Syncing issues causing long loading times
- Inability to receive verification token during signup
- Freezing when trying to share between devices
Requested features
5 requests- Easier custom button editing from main board
- More age-appropriate voice options
- Increased custom button capacity
- Pre-made vocabulary for sensitive topics
- Improved volume and audio quality control
In-app purchases
MN Executive Function Scale
No in-app purchases
Weave Chat AAC
No in-app purchases
Questions
Is MN Executive Function Scale free?
Is Weave Chat AAC free?
Which has better reviews, MN Executive Function Scale or Weave Chat AAC?
Do MN Executive Function Scale or Weave Chat AAC have ads?
Which is updated more often, MN Executive Function Scale or Weave Chat AAC?
Other comparisons















