# Idrosistemi vs Harya Studio

The clearest difference is update cadence: Idrosistemi at every 4 months against Harya Studio's every 18 months. Harya Studio's advantage is iOS requirement (11.0 vs 13.4). 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.

Idrosistemi ships an update every 4 months, Harya Studio every 18 months. The most recent releases landed on October 26, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Idrosistemi | Harya Studio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 18 months |
| Size | 21 MB | 21 MB |
| Requires iOS | 13.4 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Idrosistemi srl](https://appshunter.io/developer/1458841993) | [claxio.com](https://appshunter.io/developer/1165013290) |

## What reviewers say

### Idrosistemi

[App page](https://appshunter.io/ios/app/idrosistemi/id1458841994)

**Features:** macOS Compatibility

**In-app purchases:** none


### Harya Studio

[App page](https://appshunter.io/ios/app/harya-studio/id1669223362)

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

**In-app purchases:** none


## Frequently asked questions

### Is Idrosistemi free?

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

### Is Harya Studio free?

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

### Do Idrosistemi or Harya Studio have ads?

Neither Idrosistemi nor Harya Studio shows ads.

### Which is updated more often, Idrosistemi or Harya Studio?

Idrosistemi ships an update every 4 months, and Harya Studio every 18 months. Most recently, Idrosistemi was updated on October 26, 2026 and Harya Studio 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.*