MN Executive Function Scale vs DERS
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
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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
DERS
This tool assesses the quality of learning environments for children aged 2.5 to 12. It measures environmental design and implementation against desired developmental outcomes, focusing on executive functions, literacy, and social-emotional growth.
- Measures learning environment quality
- Focuses on executive functions
- Assesses literacy development
- Evaluates social-emotional growth
- Research-based environmental attributes
- Classroom observation tool
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The Developmental Environmental Rating Scale (DERS) measures the quality of learning environments offered in classrooms serving children between the ages of 2.5 and 12. It aligns environmental design and implementation with desired outcomes related to executive functions, literacy, and social-emotional development. The DERS consists of 60 research-based environmental attributes or observable behaviors (child and adult) aligned with five broad aspects of human development: initiation and concentration, inhibitory control, working memory, linguistic and cultural fluency, and social fluency and emotional flexibility. The assessment is administered in a 60-minute classroom observation, during which the assessor records the presence, magnitude, and/or frequency for each item. Schools can use the DERS internally to identify priorities for continuous improvement or externally as an assessment of environmental quality. The DERS was developed by researchers at the National Center for Montessori in the Public Sector.
Verdict
The clearest difference is rating: DERS at 5.0 against MN Executive Function Scale's 3.0. DERS also leads on monetization model (free vs subscription) and iOS requirement (8.2 vs 15.1). On price, ratings volume, update cadence and ads 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.
DERS holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively.
MN Executive Function Scale ships an update every 2 months, DERS every 4 months. The most recent releases landed on September 2, 2026 and September 15, 2026 respectively.
| Parameter | MN Executive Function Scale | DERS |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 2 | 4 — better |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Subscription | Free — better |
| Devices | iPad | iPad |
| Requires iOS | 15.1 | 8.2 — better |
| Further details — not scored | ||
| Size | 31 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | Reflection Sciences LLC | National Centre for Montessori in the Public Sector, Inc. |
Customer experience
MN Executive Function Scale
DERS
In-app purchases
MN Executive Function Scale
No in-app purchases
DERS
No in-app purchases
Questions
Is MN Executive Function Scale free?
Is DERS free?
Which has better reviews, MN Executive Function Scale or DERS?
Do MN Executive Function Scale or DERS have ads?
Which is updated more often, MN Executive Function Scale or DERS?
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