# MindViewer vs iFeelWell

The clearest difference is review sentiment: iFeelWell at 100% against MindViewer's 0%. On price, update cadence, ads and in-app purchases 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, iFeelWell every 7 months. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | MindViewer | iFeelWell |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ifeelwell/id1495751105/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 7 months |
| Monetization | Free | Free |
| Size | 126 MB | 244 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Neeuro Pte Ltd](https://appshunter.io/developer/960758140) | [iFeel Healthy](https://appshunter.io/developer/1375891749) |

## 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


### iFeelWell

[App page](https://appshunter.io/ios/app/ifeelwell/id1495751105)

This app uses a heart rate sensor to guide personalized breathing exercises for stress reduction and improved focus. It offers features for relaxation, sleep, and even games to practice calmness in stressful situations.

**Highlights:** Personalized breathing guidance via heart rate sensor, Stress and anxiety reduction exercises, Guided relaxation and sleep aids, Interactive games for stress management, Progress tracking with charts and graphs, On-screen pacers for breathing control

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MindViewer free?

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

### Is iFeelWell free?

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

### Do MindViewer or iFeelWell have ads?

Neither MindViewer nor iFeelWell shows ads.

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

MindViewer ships an update every 4 months, and iFeelWell every 7 months. Most recently, MindViewer was updated on October 6, 2026 and iFeelWell on October 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.*