# Robin vs Wallpapers live 4K Background

The clearest difference is in-app purchases: Robin at none against Wallpapers live 4K Background's 5. Robin also leads on iOS requirement (11.0 vs 15.6). Wallpapers live 4K Background's advantage is update cadence (every 4 days vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Wallpapers live 4K Background sells 5 in-app purchases, starting at $9.99 per 7 days. Robin asks for nothing beyond the download.

Robin ships an update monthly, Wallpapers live 4K Background every 4 days. The most recent releases landed on September 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Robin | Wallpapers live 4K Background |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (214 ratings)](https://appshunter.io/ios/app/wallpapers-live-4k-background/id6502185694/reviews)** |
| Number of ratings | — | **214** |
| Positive reviews | — | 52.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 234 MB | 63 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Altech Aviation Inc.](https://appshunter.io/developer/1559630748) | [Gangani Gautam Rameshbhai](https://appshunter.io/developer/1883337499) |

## What reviewers say

### Robin

[App page](https://appshunter.io/ios/app/robin/id1612893152)

**In-app purchases:** none


### Wallpapers live 4K Background

[App page](https://appshunter.io/ios/app/wallpapers-live-4k-background/id6502185694)

Customize your device with a vast collection of high-quality 4K wallpapers, stylish themes, and interactive widgets. Personalize your Home and Lock Screens with diverse categories and coordinated icon sets for a unique visual experience.

**Highlights:** High-quality 4K wallpapers, Multiple wallpaper categories, Home and Lock Screen support, Stylish icon sets, Aesthetic themes, Customizable widgets

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week | $9.99 | per 7 days |
| Week | $9.99 | per 7 days |
| Year | $49.99 | per year |
| Year | $79.99 | per year |
| Year | $79.99 | one-time |


## Frequently asked questions

### Is Robin free?

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

### Is Wallpapers live 4K Background free?

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

### Do Robin or Wallpapers live 4K Background have ads?

Neither Robin nor Wallpapers live 4K Background shows ads.

### Which is updated more often, Robin or Wallpapers live 4K Background?

Robin ships an update monthly, and Wallpapers live 4K Background every 4 days. Most recently, Robin was updated on September 24, 2026 and Wallpapers live 4K Background on October 14, 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.*