# 留白 vs CollageBook

The clearest difference is in-app purchases: 留白 at none against CollageBook's 1. 留白 also leads on review sentiment (100% vs 75%) and update cadence (monthly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CollageBook sells 1 one-off in-app purchase. 留白 asks for nothing beyond the download.

留白 ships an update monthly, CollageBook every 2 months. The most recent releases landed on June 4, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | 留白 | CollageBook |
| --- | --- | --- |
| 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** | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 62 MB | 41 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bulb Network Technology Co., Limited](https://appshunter.io/developer/1625312521) | [小波 司](https://appshunter.io/developer/1271012003) |

## 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


### CollageBook

[App page](https://appshunter.io/ios/app/collagebook/id6451435247)

Create stunning collages with intuitive gesture controls. Expand your canvas freely, arrange layers easily, and export multi-page designs as PDFs or image collections. Access a library of stickers and save custom gradient effects.

**Highlights:** Intuitive gesture controls, Expandable and freeform canvas, Precise canvas size settings, Multi-page PDF/image export, Easy layer management, Photo subject recognition, Sticker library, Saveable gradient effects

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CollageBook Pro | $4.99 | one-time |


## Frequently asked questions

### Is 留白 free?

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

### Is CollageBook free?

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

### Do 留白 or CollageBook have ads?

Neither 留白 nor CollageBook shows ads.

### Which is updated more often, 留白 or CollageBook?

留白 ships an update monthly, and CollageBook every 2 months. Most recently, 留白 was updated on June 4, 2026 and CollageBook on September 5, 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.*