# Boulders vs Mental robusthedstræning

Boulders and Mental robusthedstræning are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Boulders ships an update every 9 days, Mental robusthedstræning fortnightly. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Boulders | Mental robusthedstræning |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Size | 127 MB | 36 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Boulders](https://appshunter.io/developer/1739762574) | [Center for Mental Robusthed Aps](https://appshunter.io/developer/730389332) |

## What reviewers say

### Boulders

[App page](https://appshunter.io/ios/app/boulders/id6482294468)

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

**In-app purchases:** none


### Mental robusthedstræning

[App page](https://appshunter.io/ios/app/mental-robusthedstrning-mrt/id6757698681)

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

**In-app purchases:** none


## Frequently asked questions

### Is Boulders free?

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

### Is Mental robusthedstræning free?

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

### Do Boulders or Mental robusthedstræning have ads?

Neither Boulders nor Mental robusthedstræning shows ads.

### Which is updated more often, Boulders or Mental robusthedstræning?

Boulders ships an update every 9 days, and Mental robusthedstræning fortnightly. Most recently, Boulders was updated on October 10, 2026 and Mental robusthedstræning 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.*