# Challenges vs Docu Scanner PDF

The clearest difference is ads: Challenges at none against Docu Scanner PDF's shown. Challenges also leads on iOS requirement (10.0 vs 18.0). Docu Scanner PDF's advantage is update cadence (weekly vs every 8 months). 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.

Challenges ships an update every 8 months, Docu Scanner PDF weekly. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Challenges | Docu Scanner PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/docu-scanner-pdf/id6801914333/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Weekly** |
| Monetization | — | Ad-supported |
| Size | 28 MB | 12 MB |
| Requires iOS | **10.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Deniz Egemen Coskun](https://appshunter.io/developer/1546472888) | [Crimson & Blue LLC](https://appshunter.io/developer/1886742424) |

## What reviewers say

### Challenges

[App page](https://appshunter.io/ios/app/challenges-stop-being-lazy/id1560608083)

**Features:** macOS Compatibility

**In-app purchases:** none


### Docu Scanner PDF

[App page](https://appshunter.io/ios/app/docu-scanner-pdf/id6801914333)

Transform your iPhone into a powerful document scanner. Easily capture, edit, and organize paperwork into professional PDFs. Add signatures and share your documents seamlessly.

**Highlights:** Scan documents and create PDFs, Import images from photo library, Edit page edges and rotate pages, Apply document filters, Create custom folders, Add and manage signatures, Share PDFs via email and apps

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

**In-app purchases:** none


## Frequently asked questions

### Is Challenges free?

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

### Is Docu Scanner PDF free?

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

### Do Challenges or Docu Scanner PDF have ads?

Docu Scanner PDF shows ads; Challenges does not.

### Which is updated more often, Challenges or Docu Scanner PDF?

Challenges ships an update every 8 months, and Docu Scanner PDF weekly. Most recently, Challenges was updated on November 3, 2026 and Docu Scanner PDF on November 6, 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.*