# Open UI vs Modulator

The clearest difference is iOS requirement: Open UI at 15.6 against Modulator's 18.0. 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.

## The numbers

| Metric | Open UI | Modulator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 51 MB | 4 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Vision Pro |
| Age rating | 4+ | 4+ |
| Developer | [Empathetech](https://appshunter.io/developer/1743866691) | [Lars Augustin](https://appshunter.io/developer/1806278075) |

## What reviewers say

### Open UI

[App page](https://appshunter.io/ios/app/open-ui/id6499560244)

**Features:** Vision Pro support

**In-app purchases:** none


### Modulator

[App page](https://appshunter.io/ios/app/modulator/id6744152974)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Open UI free?

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

### Is Modulator free?

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

### Do Open UI or Modulator have ads?

Neither Open UI nor Modulator shows ads.

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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.*