# 21Studio vs RootHR

The clearest difference is update cadence: RootHR at every 8 days against 21Studio's every 6 weeks. 21Studio's advantage is iOS requirement (13.0 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.

21Studio ships an update every 6 weeks, RootHR every 8 days. The most recent releases landed on October 3, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 21Studio | RootHR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 8 days** |
| Size | 21 MB | 47 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Ali Ather](https://appshunter.io/developer/1848166219) | [RootHR](https://appshunter.io/developer/1887256802) |

## What reviewers say

### 21Studio

[App page](https://appshunter.io/ios/app/21studio/id6754393185)

**Features:** macOS Compatibility

**In-app purchases:** none


### RootHR

[App page](https://appshunter.io/ios/app/roothr/id6761008187)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 21Studio free?

21Studio is free to download, with no in-app purchases.

### Is RootHR free?

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

### Do 21Studio or RootHR have ads?

Neither 21Studio nor RootHR shows ads.

### Which is updated more often, 21Studio or RootHR?

21Studio ships an update every 6 weeks, and RootHR every 8 days. Most recently, 21Studio was updated on October 3, 2026 and RootHR on October 12, 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.*