# MindViewer vs NeuroDevApp

The clearest difference is update cadence: MindViewer at every 4 months against NeuroDevApp's every 8 months. NeuroDevApp's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MindViewer ships an update every 4 months, NeuroDevApp every 8 months. The most recent releases landed on November 2, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | MindViewer | NeuroDevApp |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 8 months |
| Monetization | Free | — |
| Size | 126 MB | 98 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Neeuro Pte Ltd](https://appshunter.io/developer/960758140) | [BRAINBIT INC.](https://appshunter.io/developer/1510548622) |

## What reviewers say

### MindViewer

[App page](https://appshunter.io/ios/app/mindviewer/id1436471710)

Understand your mental state during activities like studying, working, or resting. This tool visualizes your attention, relaxation, and mental workload using brain signal data from a compatible sensor.

**Highlights:** Visualize mental states, Track attention and relaxation, Measure mental workload, Analyze brain frequencies (delta, theta, alpha, beta, gamma), Record mental state during activities, Compare effectiveness of different activities

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

**In-app purchases:** none


### NeuroDevApp

[App page](https://appshunter.io/ios/app/neurodevapp/id6496372019)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MindViewer free?

MindViewer is free to download, with no in-app purchases.

### Is NeuroDevApp free?

NeuroDevApp is free to download, with no in-app purchases.

### Do MindViewer or NeuroDevApp have ads?

Neither MindViewer nor NeuroDevApp shows ads.

### Which is updated more often, MindViewer or NeuroDevApp?

MindViewer ships an update every 4 months, and NeuroDevApp every 8 months. Most recently, MindViewer was updated on November 2, 2026 and NeuroDevApp on November 8, 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.*