# KNAAP WM vs Write on PDF

The clearest difference is in-app purchases: KNAAP WM at none against Write on PDF's 3. KNAAP WM also leads on iOS requirement (10.0 vs 17.0). Write on PDF's advantage is device support. On price there is nothing between them.

Both are free to download. Write on PDF sells 3 in-app purchases, starting at $4.99 per 7 days. KNAAP WM asks for nothing beyond the download.

## The numbers

| Metric | KNAAP WM | Write on PDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Size | 81 MB | 22 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Knaap Bikes](https://appshunter.io/developer/1643123476) | [Fenuku Kekeli](https://appshunter.io/developer/1822419894) |

## What reviewers say

### KNAAP WM

[App page](https://appshunter.io/ios/app/knaap-wm/id1643123144)

**In-app purchases:** none


### Write on PDF

[App page](https://appshunter.io/ios/app/write-on-pdf-edit-and-annotate/id6801932711)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access for a week | $4.99 | per 7 days |
| All Access for a year | $39.99 | per year |
| All Access | $99.99 | one-time |


## Frequently asked questions

### Is KNAAP WM free?

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

### Is Write on PDF free?

Write on PDF is free to download, with in-app purchases available.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*