# 4K Wallpapers vs PDF Converter Scanner Printer

The clearest difference is ads: 4K Wallpapers at none against PDF Converter Scanner Printer's shown. 4K Wallpapers also leads on rating (4.6 vs 4.3) and iOS requirement (12.0 vs 15.6). PDF Converter Scanner Printer's advantage is update cadence (every 3 months vs every 7 months). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. 4K Wallpapers sells 1 one-off in-app purchase and PDF Converter Scanner Printer sells 5 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

4K Wallpapers holds the better App Store score, 4.6 against 4.3. Both are backed by a comparable volume of ratings — 17 and 25 respectively.

4K Wallpapers ships an update every 7 months, PDF Converter Scanner Printer every 3 months. Both last shipped on October 18, 2026.

## The numbers

| Metric | 4K Wallpapers | PDF Converter Scanner Printer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (17 ratings)](https://appshunter.io/ios/app/4k-wallpapers-hd-background/id6747609003/reviews)** | [4.3 (25 ratings)](https://appshunter.io/ios/app/pdf-converter-scanner-printer/id6749176276/reviews) |
| Number of ratings | 17 | **25** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 46 MB | 21 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ahmad Masood](https://appshunter.io/developer/1809316932) | [杨胜 朱](https://appshunter.io/developer/1609009505) |

## What reviewers say

### 4K Wallpapers

[App page](https://appshunter.io/ios/app/4k-wallpapers-hd-background/id6747609003)

Discover and download thousands of ultra HD and 4K wallpapers for your phone. Browse categories like nature, anime, and cars, or explore trending designs. Save your favorites and enjoy daily updates with a clean, fast interface.

**Highlights:** 4K & Full HD wallpapers, One-tap download, Favorite wallpapers, Trending wallpapers section, Clean & fast UI, Daily wallpaper updates

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 4K WALLPAPERS PRO | $1.99 | one-time |


### PDF Converter Scanner Printer

[App page](https://appshunter.io/ios/app/pdf-converter-scanner-printer/id6749176276)

Easily convert photos and images into PDF documents. This tool also functions as a professional scanner, allowing you to capture and digitize physical documents. Share and print your created PDFs directly from your device.

**Highlights:** Convert photos to PDF, Scan documents to PDF, Share PDF files, Print PDF documents, Extract PDF to photos

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly VIP | $1.99 | per 7 days |
| Monthly VIP | $2.99 | per month |
| Yearly VIP | $4.99 | per year |
| Lifetime VIP | $6.99 | one-time |
| Lifetime VIP | $19.99 | one-time |


## Frequently asked questions

### Is 4K Wallpapers free?

4K Wallpapers is free to download, with in-app purchases available.

### Is PDF Converter Scanner Printer free?

PDF Converter Scanner Printer is free to download, with in-app purchases available.

### Which has better reviews, 4K Wallpapers or PDF Converter Scanner Printer?

4K Wallpapers is rated higher. 4K Wallpapers averages 4.6 out of 5 from 17 ratings, while PDF Converter Scanner Printer averages 4.3 from 25 ratings.

### Do 4K Wallpapers or PDF Converter Scanner Printer have ads?

PDF Converter Scanner Printer shows ads; 4K Wallpapers does not.

### Which is updated more often, 4K Wallpapers or PDF Converter Scanner Printer?

4K Wallpapers ships an update every 7 months, and PDF Converter Scanner Printer every 3 months. Most recently, 4K Wallpapers was updated on October 18, 2026 and PDF Converter Scanner Printer on October 18, 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.*