# Wind the Bobbin vs Letter Writing

The clearest difference is iOS requirement: Wind the Bobbin at 6.0 against Letter Writing's 17.5. 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.

Wind the Bobbin ships an update every 38 months, Letter Writing every 22 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Wind the Bobbin | Letter Writing |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 22 months** |
| Size | 51 MB | 20 MB |
| Requires iOS | **6.0** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shoo Fly](https://appshunter.io/developer/526668317) | [Edology Limited](https://appshunter.io/developer/1138398693) |

## What reviewers say

### Wind the Bobbin

[App page](https://appshunter.io/ios/app/wind-the-bobbin/id911800516)

**Features:** macOS Compatibility

**In-app purchases:** none


### Letter Writing

[App page](https://appshunter.io/ios/app/letter-writing/id6503089012)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Wind the Bobbin free?

Wind the Bobbin is free to download, with no in-app purchases.

### Is Letter Writing free?

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

### Do Wind the Bobbin or Letter Writing have ads?

Neither Wind the Bobbin nor Letter Writing shows ads.

### Which is updated more often, Wind the Bobbin or Letter Writing?

Wind the Bobbin ships an update every 38 months, and Letter Writing every 22 months. Most recently, Wind the Bobbin was updated on October 26, 2026 and Letter Writing on October 27, 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.*