# Ultrapix Wallpapers vs Shelf!

The clearest difference is in-app purchases: Ultrapix Wallpapers at none against Shelf!'s 1. Ultrapix Wallpapers also leads on iOS requirement (15.1 vs 26.2). Shelf!'s advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Shelf! sells 1 one-off in-app purchase. Ultrapix Wallpapers asks for nothing beyond the download.

## The numbers

| Metric | Ultrapix Wallpapers | Shelf! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | — |
| Size | 38 MB | 3 MB |
| Requires iOS | **15.1** | 26.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Umer Ishfaq](https://appshunter.io/developer/1884662991) | [Juan Casanueva](https://appshunter.io/developer/427769040) |

## What reviewers say

### Ultrapix Wallpapers

[App page](https://appshunter.io/ios/app/ultrapix-wallpapers/id6760480040)

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

**In-app purchases:** none


### Shelf!

[App page](https://appshunter.io/ios/app/shelf/id6772284541)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $0.99 | one-time |


## Frequently asked questions

### Is Ultrapix Wallpapers free?

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

### Is Shelf! free?

Shelf! is free to download, with in-app purchases available.

### Do Ultrapix Wallpapers or Shelf! have ads?

Ultrapix Wallpapers shows ads; Shelf! does not.

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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.*