# Widu App vs PDF Scan

The clearest difference is in-app purchases: Widu App at none against PDF Scan's 4. PDF Scan's advantage is ads (none vs shown) and update cadence (every 3 days vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Scan sells 4 in-app purchases, starting at $4.99 per 7 days. Widu App asks for nothing beyond the download.

Widu App ships an update every 3 weeks, PDF Scan every 3 days. The most recent releases landed on September 25, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | Widu App | PDF Scan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 59 MB | 46 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [PRIME LEARN - SMC LIMITED](https://appshunter.io/developer/1673834549) | [Eduard Bruch](https://appshunter.io/developer/1863571508) |

## What reviewers say

### Widu App

[App page](https://appshunter.io/ios/app/widu-app/id6467351071)

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

**In-app purchases:** none


### PDF Scan

[App page](https://appshunter.io/ios/app/pdf-scan-sign-edit-document/id6758560926)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $4.99 | per 7 days |
| PDF Creator Pro - Annual | $14.99 | per year |
| PDF Scanner Pro | $19.99 | per year |
| Annual Plan | $29.99 | per year |


## Frequently asked questions

### Is Widu App free?

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

### Is PDF Scan free?

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

### Do Widu App or PDF Scan have ads?

Widu App shows ads; PDF Scan does not.

### Which is updated more often, Widu App or PDF Scan?

Widu App ships an update every 3 weeks, and PDF Scan every 3 days. Most recently, Widu App was updated on September 25, 2026 and PDF Scan on September 4, 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.*