# Nook Letter vs 空綴 〜そらつづり〜

The clearest difference is in-app purchases: 空綴 〜そらつづり〜 at none against Nook Letter's 2. Nook Letter's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 3 weeks). On price there is nothing between them.

Both are free to download. Nook Letter sells 2 in-app purchases, starting at $1.99 per month. 空綴 〜そらつづり〜 asks for nothing beyond the download.

Nook Letter ships an update every 2 weeks, 空綴 〜そらつづり〜 every 3 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Nook Letter | 空綴 〜そらつづり〜 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 88 MB | 7 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [YUYA MIYAZAKI](https://appshunter.io/developer/1878926763) | [Yasuhiro Hamada](https://appshunter.io/developer/1825750232) |

## What reviewers say

### Nook Letter

[App page](https://appshunter.io/ios/app/nook-letter/id6762508911)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nook　プレミアムプラン | $1.99 | per month |
| 秘密の切手 | $0.49 | one-time |


### 空綴 〜そらつづり〜

[App page](https://appshunter.io/ios/app/id6771696751)

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

**In-app purchases:** none


## Frequently asked questions

### Is Nook Letter free?

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

### Is 空綴 〜そらつづり〜 free?

空綴 〜そらつづり〜 is free to download, with no in-app purchases.

### Do Nook Letter or 空綴 〜そらつづり〜 have ads?

空綴 〜そらつづり〜 shows ads; Nook Letter does not.

### Which is updated more often, Nook Letter or 空綴 〜そらつづり〜?

Nook Letter ships an update every 2 weeks, and 空綴 〜そらつづり〜 every 3 weeks. Most recently, Nook Letter was updated on October 31, 2026 and 空綴 〜そらつづり〜 on October 31, 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.*