# Crystal Disk vs Moni HR

The clearest difference is update cadence: Moni HR at every 5 days against Crystal Disk's every 6 weeks. Crystal Disk's advantage is iOS requirement (8.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

Crystal Disk ships an update every 6 weeks, Moni HR every 5 days. The most recent releases landed on October 9, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Crystal Disk | Moni HR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Size | 86 MB | 33 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sunita Telecom Co.,Ltd.](https://appshunter.io/developer/1062645116) | [jerry dong](https://appshunter.io/developer/645222803) |

## What reviewers say

### Crystal Disk

[App page](https://appshunter.io/ios/app/crystal-disk/id1249355611)

**Features:** macOS Compatibility

**In-app purchases:** none


### Moni HR

[App page](https://appshunter.io/ios/app/moni-hr/id6776773618)

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

**In-app purchases:** none


## Frequently asked questions

### Is Crystal Disk free?

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

### Is Moni HR free?

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

### Do Crystal Disk or Moni HR have ads?

Neither Crystal Disk nor Moni HR shows ads.

### Which is updated more often, Crystal Disk or Moni HR?

Crystal Disk ships an update every 6 weeks, and Moni HR every 5 days. Most recently, Crystal Disk was updated on October 9, 2026 and Moni HR on October 3, 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.*