# MN Executive Function Scale vs Ploc Letrinhas

The clearest difference is price: MN Executive Function Scale at Free against Ploc Letrinhas's $0.99. MN Executive Function Scale also leads on iOS requirement (15.1 vs 18.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

MN Executive Function Scale is free to download; Ploc Letrinhas costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MN Executive Function Scale ships an update every 2 months, Ploc Letrinhas every 4 months. The most recent releases landed on September 2, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | MN Executive Function Scale | Ploc Letrinhas |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/mn-executive-function-scale/id967184252/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Subscription | — |
| Size | 31 MB | 17 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Reflection Sciences LLC](https://appshunter.io/developer/967184251) | [Michel Anderson Lutz Teixeira](https://appshunter.io/developer/1458530596) |

## 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


### Ploc Letrinhas

[App page](https://appshunter.io/ios/app/ploc-letrinhas/id6757201717)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MN Executive Function Scale free?

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

### Is Ploc Letrinhas free?

Ploc Letrinhas costs $0.99, with no in-app purchases.

### Do MN Executive Function Scale or Ploc Letrinhas have ads?

Neither MN Executive Function Scale nor Ploc Letrinhas shows ads.

### Which is updated more often, MN Executive Function Scale or Ploc Letrinhas?

MN Executive Function Scale ships an update every 2 months, and Ploc Letrinhas every 4 months. Most recently, MN Executive Function Scale was updated on September 2, 2026 and Ploc Letrinhas on September 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*