# Wallpapers live 4K Background vs AI Reverse Audio

The clearest difference is review sentiment: Wallpapers live 4K Background at 52% against AI Reverse Audio's 7%. Wallpapers live 4K Background also leads on rating (4.3 vs 3.2) and ads (none vs shown). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Wallpapers live 4K Background sells 3 in-app purchases, starting at $9.99 per 7 days and AI Reverse Audio sells 3 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Wallpapers live 4K Background holds the better App Store score, 4.3 against 3.2. That said, the two scores are not equally well evidenced: Wallpapers live 4K Background has 237 ratings behind it against 40, so its average is the more settled of the two. Written reviews point the same way: 52% of Wallpapers live 4K Background's written reviews are positive against 7% of AI Reverse Audio's.

Wallpapers live 4K Background ships an update every 4 days, AI Reverse Audio every 11 days. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Wallpapers live 4K Background | AI Reverse Audio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (237 ratings)](https://appshunter.io/ios/app/wallpapers-live-4k-background/id6502185694/reviews)** | [3.2 (40 ratings)](https://appshunter.io/ios/app/ai-reverse-audio/id6755292471/reviews) |
| Number of ratings | **237** | 40 |
| Positive reviews | **52.0% of reviews** | 6.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 11 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 63 MB | 89 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Gangani Gautam Rameshbhai](https://appshunter.io/developer/1883337499) | [Do Huy](https://appshunter.io/developer/1841343010) |

## What reviewers say

### 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 (3)**

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


### AI Reverse Audio

[App page](https://appshunter.io/ios/app/ai-reverse-audio/id6755292471)

Record audio, then play it backwards to hear how your voice sounds reversed. Practice singing tricky phrases, create unique social media content, or play audio games. All processing happens on your device for privacy.

**Highlights:** Record and reverse audio, On-device audio processing, Save and revisit recordings, Simple interface, A/B comparison of audio takes, Create social media clips

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $7.99 | per 7 days |
| Premium Monthly | $17.99 | per month |
| Premium Yearly | $89.99 | per year |


## Frequently asked questions

### Is Wallpapers live 4K Background free?

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

### Is AI Reverse Audio free?

AI Reverse Audio is free to download, with in-app purchases available.

### Which has better reviews, Wallpapers live 4K Background or AI Reverse Audio?

Wallpapers live 4K Background is rated higher. Wallpapers live 4K Background averages 4.3 out of 5 from 237 ratings, while AI Reverse Audio averages 3.2 from 40 ratings.

### Do Wallpapers live 4K Background or AI Reverse Audio have ads?

AI Reverse Audio shows ads; Wallpapers live 4K Background does not.

### Which is updated more often, Wallpapers live 4K Background or AI Reverse Audio?

Wallpapers live 4K Background ships an update every 4 days, and AI Reverse Audio every 11 days. Most recently, Wallpapers live 4K Background was updated on November 4, 2026 and AI Reverse Audio on November 5, 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.*