# Writestone vs PDF Toolkit

The clearest difference is ads: PDF Toolkit at none against Writestone's shown. Writestone's advantage is update cadence (every 3 days vs monthly) and iOS requirement (13.0 vs 15.5). On price, 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.

Writestone ships an update every 3 days, PDF Toolkit monthly. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Writestone | PDF Toolkit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Monthly |
| Size | 89 MB | 91 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Seyfettin Yildirim](https://appshunter.io/developer/1698912402) | [Boffin Coders](https://appshunter.io/developer/1437137302) |

## What reviewers say

### Writestone

[App page](https://appshunter.io/ios/app/writestone/id6477541746)

**In-app purchases:** none


### PDF Toolkit

[App page](https://appshunter.io/ios/app/pdf-toolkit-scan-merge-edit/id6779094949)

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

**In-app purchases:** none


## Frequently asked questions

### Is Writestone free?

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

### Is PDF Toolkit free?

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

### Do Writestone or PDF Toolkit have ads?

Writestone shows ads; PDF Toolkit does not.

### Which is updated more often, Writestone or PDF Toolkit?

Writestone ships an update every 3 days, and PDF Toolkit monthly. Most recently, Writestone was updated on October 12, 2026 and PDF Toolkit on October 10, 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.*