# Shrimp.io vs Mad Evolution

The clearest difference is review sentiment: Shrimp.io at 100% against Mad Evolution's 40%. Shrimp.io also leads on rating (4.7 vs 4.2) and in-app purchases (none vs 12). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Mad Evolution sells 12 one-off in-app purchases. Shrimp.io asks for nothing beyond the download.

Shrimp.io holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 21 and 43 respectively. Written reviews point the same way: 100% of Shrimp.io's written reviews are positive against 40% of Mad Evolution's.

Shrimp.io ships an update every 4 days, Mad Evolution every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Shrimp.io | Mad Evolution |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (21 ratings)](https://appshunter.io/ios/app/shrimpio/id6443960828/reviews)** | [4.2 (43 ratings)](https://appshunter.io/ios/app/mad-evolution-idle-merge/id6742938209/reviews) |
| Number of ratings | 21 | **43** |
| Positive reviews | **100.0% of reviews** | 40.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 63 MB | 186 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [Jaxon Gallegos Garcia](https://appshunter.io/developer/1628171818) | [Oleksandr Mykhailov](https://appshunter.io/developer/1036995762) |

## What reviewers say

### Shrimp.io

[App page](https://appshunter.io/ios/app/shrimpio/id6443960828)

Play as a shrimp, consuming microplastics and destroying fish. Upgrade your shrimp with collected resources. A portion of ad revenue is donated to ocean cleanup charities.

**Highlights:** Consume microplastics, Destroy fish and creatures, Upgrade your shrimp, Multiple enemy types, Multiple maps, Ad revenue donation to charity

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

**In-app purchases:** none


### Mad Evolution

[App page](https://appshunter.io/ios/app/mad-evolution-idle-merge/id6742938209)

Fuse and evolve quirky monsters to create a bizarre empire. Earn coins non-stop, even offline, and unlock strange new worlds. This idle merge game offers simple yet addictive gameplay with absurd boosters for endless progression.

**Highlights:** Fuse and evolve monsters, Earn coins offline, Unlock new worlds, Upgrade creatures and chests, Use powerful boosters, Infinite upgrades

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Pack | $2.99 | one-time |
| Disable Ads | $2.99 | one-time |
| Tanos Finger | $3.99 | one-time |
| Chestplosion | $3.99 | one-time |
| Mergonator | $4.99 | one-time |
| Gold Rush | $4.99 | one-time |
| Handy Stack | $4.99 | one-time |
| Starter Pack | $7.99 | one-time |
| Chaos Bundle | $12.99 | one-time |
| Fat Bundle | $12.99 | one-time |
| Legendary Pack | $49.99 | one-time |
| Ultimate Vault | $49.99 | one-time |


## Frequently asked questions

### Is Shrimp.io free?

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

### Is Mad Evolution free?

Mad Evolution is free to download, with in-app purchases available.

### Which has better reviews, Shrimp.io or Mad Evolution?

Shrimp.io is rated higher. Shrimp.io averages 4.7 out of 5 from 21 ratings, while Mad Evolution averages 4.2 from 43 ratings.

### Do Shrimp.io or Mad Evolution have ads?

Both Shrimp.io and Mad Evolution show ads.

### Which is updated more often, Shrimp.io or Mad Evolution?

Shrimp.io ships an update every 4 days, and Mad Evolution every 2 weeks. Most recently, Shrimp.io was updated on October 24, 2026 and Mad Evolution on October 24, 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.*