# Mind Window vs KHR

The clearest difference is rating: KHR at 5.0 against Mind Window's 4.0. KHR also leads on update cadence (fortnightly vs every 2 months). Mind Window's advantage is ratings volume (18 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

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

KHR holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Mind Window has 18 ratings behind it against 2, so its average is the more settled of the two.

Mind Window ships an update every 2 months, KHR fortnightly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Mind Window | KHR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (18 ratings)](https://appshunter.io/ios/app/mind-window/id1501731777/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/khr/id6743888324/reviews)** |
| Number of ratings | **18** | 2 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 85 MB | 47 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [University of Arizona](https://appshunter.io/developer/437682109) | [Laina Enterprises, Inc.](https://appshunter.io/developer/1588943641) |

## What reviewers say

### Mind Window

[App page](https://appshunter.io/ios/app/mind-window/id1501731777)

This app helps you track your thought patterns and understand how they may impact your well-being. By answering random check-ins throughout the day, you contribute to a scientific research database. Discover insights into your thinking and explore changes over time.

**Highlights:** Track thought patterns, Contribute to research database, Daily check-in reminders, Discover thinking statistics, Explore changes over time, Customizable assistant guide

**Features:** macOS Compatibility

**In-app purchases:** none


### KHR

[App page](https://appshunter.io/ios/app/khr/id6743888324)

This controlled-access survey application ensures data integrity by restricting participation to invited individuals. It is designed for researchers who require precise and actionable insights.

**Highlights:** Controlled access surveys, Data integrity focus, Invited participant only, Precise insights, Actionable research data

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mind Window free?

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

### Is KHR free?

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

### Which has better reviews, Mind Window or KHR?

KHR is rated higher. Mind Window averages 4.0 out of 5 from 18 ratings, while KHR averages 5.0 from 2 ratings.

### Do Mind Window or KHR have ads?

Neither Mind Window nor KHR shows ads.

### Which is updated more often, Mind Window or KHR?

Mind Window ships an update every 2 months, and KHR fortnightly. Most recently, Mind Window was updated on October 24, 2026 and KHR on October 25, 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.*