# MindViewer vs Trails Making

The clearest difference is iOS requirement: MindViewer at 15.0 against Trails Making's 18.5. 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.

## The numbers

| Metric | MindViewer | Trails Making |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Free | — |
| Size | 126 MB | 3 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Neeuro Pte Ltd](https://appshunter.io/developer/960758140) | [Anis Davoudi](https://appshunter.io/developer/1844384406) |

## 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


### Trails Making

[App page](https://appshunter.io/ios/app/trails-making/id6753684674)

**In-app purchases:** none


## Frequently asked questions

### Is MindViewer free?

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

### Is Trails Making free?

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

### Do MindViewer or Trails Making have ads?

Neither MindViewer nor Trails Making shows ads.

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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.*