# KHR vs Mind Atlas

The clearest difference is in-app purchases: KHR at none against Mind Atlas's 2. Mind Atlas's advantage is update cadence (every 4 days vs fortnightly) and ratings volume (7 vs 2). On price, rating, ads and device support there is nothing between them.

Both are free to download. Mind Atlas sells 2 in-app purchases, starting at $49.99 per month. KHR asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for KHR against 5.0 for Mind Atlas. Both are backed by a comparable volume of ratings — 2 and 7 respectively.

KHR ships an update fortnightly, Mind Atlas every 4 days. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | KHR | Mind Atlas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/khr/id6743888324/reviews) | [5.0 (7 ratings)](https://appshunter.io/ios/app/mind-atlas/id6749017136/reviews) |
| Number of ratings | 2 | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 47 MB | 333 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Laina Enterprises, Inc.](https://appshunter.io/developer/1588943641) | [Dabble Health Inc](https://appshunter.io/developer/1669422969) |

## What reviewers say

### 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


### Mind Atlas

[App page](https://appshunter.io/ios/app/mind-atlas/id6749017136)

Transform personal photos into engaging cognitive exercises. This app uses familiar faces and memories to create personalized brain training activities, enhancing memory and attention through interactive games and voice-guided stories. Track your progress with intuitive charts and enjoy a private, on-device experience.

**Highlights:** Personalized games using photo library, Memory Matches and Photo Puzzles, Voice-guided Memory Stories, Cognitive trend tracking, 100% on-device photo processing, Offline functionality, Community and research program support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Access | $49.99 | per month |
| Annual Access | $479.99 | per year |


## Frequently asked questions

### Is KHR free?

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

### Is Mind Atlas free?

Mind Atlas is free to download, with in-app purchases available.

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

KHR and Mind Atlas are both rated 5.0 out of 5 on the App Store, from 2 and 7 ratings respectively.

### Do KHR or Mind Atlas have ads?

Neither KHR nor Mind Atlas shows ads.

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

KHR ships an update fortnightly, and Mind Atlas every 4 days. Most recently, KHR was updated on October 28, 2026 and Mind Atlas on October 30, 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.*