# ICool Wallpapers vs Slime Simulator

The clearest difference is review sentiment: Slime Simulator at 100% against ICool Wallpapers's 22%. Slime Simulator also leads on rating (4.0 vs 2.7) and ads (none vs shown). ICool Wallpapers's advantage is update cadence (weekly vs every 7 months) and ratings volume (180 vs 1). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. ICool Wallpapers sells 3 in-app purchases, starting at $4.99 per 7 days and Slime Simulator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Slime Simulator holds the better App Store score, 4.0 against 2.7. That said, the two scores are not equally well evidenced: ICool Wallpapers has 180 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 22% of ICool Wallpapers's written reviews are positive against 100% of Slime Simulator's.

ICool Wallpapers ships an update weekly, Slime Simulator every 7 months. The most recent releases landed on October 21, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ICool Wallpapers | Slime Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (180 ratings)](https://appshunter.io/ios/app/icool-wallpapers/id1625266540/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/slime-simulator-relaxing-asmr/id6449640960/reviews)** |
| Number of ratings | **180** | 1 |
| Positive reviews | 22.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 7 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 22 MB | 205 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bateway Holding Limited](https://appshunter.io/developer/1509209950) | [Marvin Krueger](https://appshunter.io/developer/1152894281) |

## What reviewers say

### ICool Wallpapers

[App page](https://appshunter.io/ios/app/icool-wallpapers/id1625266540)

Discover and download a vast catalog of live wallpapers, including trendy patterns and fresh designs. Create your own custom wallpapers with the built-in maker and personalize your lock screen with dynamic animations and neon borders. Easily save and preview your selections.

**Highlights:** Live wallpapers, Live wallpaper maker, Neon Border, Charging animations, Lock screen designs, Huge wallpaper catalog, One-tap downloads

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly VIP | $4.99 | per 7 days |
| Monthly Vip | $9.99 | per month |
| Annual Vip | $49.99 | per year |

**What reviewers like**

- 🤩 Amazing wallpapers
- 👍 Easy to use
- 😊 Great app overall

**What reviewers complain about**

- 🐛 Live wallpapers don't work
- 💸 Requires payment for full features
- 📢 Too many ads
- 🤔 Wallpapers not as advertised

**Reported bugs**

- Wallpapers not saving properly
- Inability to set downloaded wallpapers
- Crashes and freezes on some devices

**Requested features**

- More sports and anime wallpaper options
- Ability to use own photos as wallpapers
- Fix for iOS 16 live wallpaper compatibility


### Slime Simulator

[App page](https://appshunter.io/ios/app/slime-simulator-relaxing-asmr/id6449640960)

Create and play with virtual slimes using realistic physics and a vast array of customization options. Enjoy a relaxing and creative experience with endless possibilities for slime art.

**Highlights:** Custom DIY slime maker, Realistic slime physics, Vast color and texture palette, Unlock new textures and colors, Relaxing ASMR experience, Endless entertainment

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Slime premium | $1.99 | one-time |


## Frequently asked questions

### Is ICool Wallpapers free?

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

### Is Slime Simulator free?

Slime Simulator is free to download, with in-app purchases available.

### Which has better reviews, ICool Wallpapers or Slime Simulator?

Slime Simulator is rated higher. ICool Wallpapers averages 2.7 out of 5 from 180 ratings, while Slime Simulator averages 4.0 from 1 ratings.

### Do ICool Wallpapers or Slime Simulator have ads?

ICool Wallpapers shows ads; Slime Simulator does not.

### Which is updated more often, ICool Wallpapers or Slime Simulator?

ICool Wallpapers ships an update weekly, and Slime Simulator every 7 months. Most recently, ICool Wallpapers was updated on October 21, 2026 and Slime Simulator on October 7, 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.*