# 留白 vs Open UI

The clearest difference is device support: Open UI at 4 against 留白's 2. On price, update cadence, ads and in-app purchases there is nothing between them.

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

留白 ships an update monthly, Open UI every 3 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 留白 | Open UI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/id6447758378/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 62 MB | 51 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Bulb Network Technology Co., Limited](https://appshunter.io/developer/1625312521) | [Empathetech](https://appshunter.io/developer/1743866691) |

## What reviewers say

### 留白

[App page](https://appshunter.io/ios/app/id6447758378)

Create custom transparent widgets for your phone's home screen. Add blank, label, or date widgets with support for light and dark modes. More widget types are under development.

**Highlights:** Transparent widgets, Blank widget, Label widget, Date widget, Light and dark mode support, Automatic theme switching, Multiple widget sizes

**In-app purchases:** none


### Open UI

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

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 留白 free?

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

### Is Open UI free?

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

### Do 留白 or Open UI have ads?

Neither 留白 nor Open UI shows ads.

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

留白 ships an update monthly, and Open UI every 3 weeks. Most recently, 留白 was updated on November 3, 2026 and Open UI on November 4, 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.*