# Beyond MST Explorer vs Body Clock Test

The clearest difference is in-app purchases: Beyond MST Explorer at none against Body Clock Test's 3. Beyond MST Explorer also leads on ads (none vs shown). Body Clock Test's advantage is update cadence (every 6 weeks vs every 27 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Body Clock Test sells 3 one-off in-app purchases. Beyond MST Explorer asks for nothing beyond the download.

Beyond MST Explorer ships an update every 27 months, Body Clock Test every 6 weeks. The most recent releases landed on October 17, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Beyond MST Explorer | Body Clock Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/body-clock-test/id6445821757/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 27 months | **Every 6 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 158 MB | 6 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Palo Alto Veterans Institute for Research](https://appshunter.io/developer/1292950620) | [Hikari Mano](https://appshunter.io/developer/1478835190) |

## What reviewers say

### Beyond MST Explorer

[App page](https://appshunter.io/ios/app/beyond-mst-explorer/id1610165151)

**Features:** Vision Pro support

**In-app purchases:** none


### Body Clock Test

[App page](https://appshunter.io/ios/app/body-clock-test/id6445821757)

Train your time perception and improve focus with this mini-game. Count seconds mentally and test your accuracy to refine your internal clock. Track your progress with a clean, gradient-themed interface.

**Highlights:** Internal clock game, Time perception training, Focus improvement, Progress tracking, Clean gradient design, No timer needed

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Interstitial Ads | $1.99 | one-time |
| Remove Banner Ads | $1.99 | one-time |
| Full Version | $3.99 | one-time |


## Frequently asked questions

### Is Beyond MST Explorer free?

Beyond MST Explorer is free to download, with no in-app purchases.

### Is Body Clock Test free?

Body Clock Test is free to download, with in-app purchases available.

### Do Beyond MST Explorer or Body Clock Test have ads?

Body Clock Test shows ads; Beyond MST Explorer does not.

### Which is updated more often, Beyond MST Explorer or Body Clock Test?

Beyond MST Explorer ships an update every 27 months, and Body Clock Test every 6 weeks. Most recently, Beyond MST Explorer was updated on October 17, 2026 and Body Clock Test on October 1, 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.*