# Open UI vs ColorsApp

The clearest difference is in-app purchases: Open UI at none against ColorsApp's 1. Open UI also leads on device support (4 vs 2). ColorsApp's advantage is update cadence (weekly vs every 3 weeks) and iOS requirement (13.4 vs 15.6). On price and ads there is nothing between them.

Both are free to download. ColorsApp sells 1 one-off in-app purchase. Open UI asks for nothing beyond the download.

Open UI ships an update every 3 weeks, ColorsApp weekly. The most recent releases landed on September 20, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Open UI | ColorsApp |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 51 MB | 79 MB |
| Requires iOS | 15.6 | **13.4** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Empathetech](https://appshunter.io/developer/1743866691) | [Volodymyr Serbulenko](https://appshunter.io/developer/1759853459) |

## What reviewers say

### Open UI

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

**Features:** Vision Pro support

**In-app purchases:** none


### ColorsApp

[App page](https://appshunter.io/ios/app/colorsapp/id6584525380)

Generate stunning color palettes with AI, pick and customize colors for your mobile app, and explore trending schemes. Test your designs in real-time previews to ensure they stand out.

**Highlights:** AI-driven color palette generator, Versatile color picker, Trending color palette exploration, Real-time mobile app previews, Manual color scheme adjustments

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO | $1.99 | one-time |


## Frequently asked questions

### Is Open UI free?

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

### Is ColorsApp free?

ColorsApp is free to download, with in-app purchases available.

### Do Open UI or ColorsApp have ads?

Neither Open UI nor ColorsApp shows ads.

### Which is updated more often, Open UI or ColorsApp?

Open UI ships an update every 3 weeks, and ColorsApp weekly. Most recently, Open UI was updated on September 20, 2026 and ColorsApp on June 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.*