# Interval / 空白 vs Tomobook

The clearest difference is ads: Interval / 空白 at none against Tomobook's shown. On price, update cadence, 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.

Interval / 空白 ships an update weekly, Tomobook every 5 days. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Interval / 空白 | Tomobook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (54 ratings)](https://appshunter.io/ios/app/tomobook-digital-scrapbook/id6763523088/reviews)** |
| Number of ratings | — | **54** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | — | Free |
| Size | 6 MB | 67 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ayumi Sakurai](https://appshunter.io/developer/1876264011) | [Cardinal Blue](https://appshunter.io/developer/381057842) |

## What reviewers say

### Interval / 空白

[App page](https://appshunter.io/ios/app/interval/id6759001207)

**In-app purchases:** none


### Tomobook

[App page](https://appshunter.io/ios/app/tomobook-digital-scrapbook/id6763523088)

Create beautiful digital scrapbooks from your photos and videos. Organize memories into personal books, use AI for custom stickers, and explore auto layouts for instant designs. Edit with precision and support any aspect ratio for social media.

**Highlights:** Personalized photo books, AI-powered sticker creation, Automatic page layouts, Pixel-precise editing tools, Support for all aspect ratios

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

**In-app purchases:** none


## Frequently asked questions

### Is Interval / 空白 free?

Interval / 空白 is free to download, with no in-app purchases.

### Is Tomobook free?

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

### Do Interval / 空白 or Tomobook have ads?

Tomobook shows ads; Interval / 空白 does not.

### Which is updated more often, Interval / 空白 or Tomobook?

Interval / 空白 ships an update weekly, and Tomobook every 5 days. Most recently, Interval / 空白 was updated on October 11, 2026 and Tomobook on October 24, 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.*