# Virus Evolution vs Merge Legs

The clearest difference is rating: Virus Evolution at 4.6 against Merge Legs's 2.6. Virus Evolution also leads on review sentiment (32% vs 16%) and ratings volume (866 vs 101). Merge Legs's advantage is in-app purchases (none vs 9). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Virus Evolution sells 9 one-off in-app purchases. Merge Legs asks for nothing beyond the download.

Virus Evolution holds the better App Store score, 4.6 against 2.6. That said, the two scores are not equally well evidenced: Virus Evolution has 866 ratings behind it against 101, so its average is the more settled of the two. Written reviews point the same way: 32% of Virus Evolution's written reviews are positive against 16% of Merge Legs's.

Virus Evolution ships an update monthly, Merge Legs fortnightly. The most recent releases landed on September 23, 2026 and July 28, 2026 respectively.

## The numbers

| Metric | Virus Evolution | Merge Legs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (866 ratings)](https://appshunter.io/ios/app/virus-evolution-destroy-earth/id6444859117/reviews)** | [2.6 (101 ratings)](https://appshunter.io/ios/app/merge-legs/id6446598745/reviews) |
| Number of ratings | **866** | 101 |
| Positive reviews | **32.4% of reviews** | 15.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 245 MB | 416 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Kwalee Ltd](https://appshunter.io/developer/497961736) | [FIVE BITS, INC.](https://appshunter.io/developer/828952584) |

## What reviewers say

### Virus Evolution

[App page](https://appshunter.io/ios/app/virus-evolution-destroy-earth/id6444859117)

Unleash a deadly pathogen and strategically spread a global pandemic. Your goal is to conquer humanity by increasing infection rates and decreasing survival rates. Become the ultimate threat and achieve world domination.

**Highlights:** Spread the virus, Start a pandemic, Conquer the world, Strategic gameplay, Increase infection rates

**Features:** Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Lab Points | $1.99 | one-time |
| Remove Ads | $2.99 | one-time |
| 255 Lab Points | $4.99 | one-time |
| Remove Ads Pack | $7.99 | one-time |
| Double Profits Forever | $9.99 | one-time |
| 1100 Lab Points | $19.99 | one-time |
| Remove Ads VIP | $19.99 | one-time |
| 2700 Lab Points | $49.99 | one-time |
| 5500 Lab Points | $99.99 | one-time |

**What reviewers like**

- ❤️ Love the game
- 🎉 Enjoyable to play

**What reviewers complain about**

- 🐛 Game freezes/crashes
- 🚫 Broken/glitched features
- 🔍 Limited geographical coverage
- 📺 Too many ads

**Reported bugs**

- Game freezes after infecting USA
- Unable to progress past USA
- Upgrading/tapping issues

**Requested features**

- Add support for more countries
- Fix game freezing/crashing issues
- Improve geographical coverage


### Merge Legs

[App page](https://appshunter.io/ios/app/merge-legs/id6446598745)

Compete in a wacky multiplayer race by merging legs and attaching them to your runner. The more legs you merge, the faster your runner will go. Experience a ridiculous and fast-paced running game.

**Highlights:** Merge legs, Multiplayer racing, Runner customization, Fast-paced gameplay, World race competition

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Virus Evolution free?

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

### Is Merge Legs free?

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

### Which has better reviews, Virus Evolution or Merge Legs?

Virus Evolution is rated higher. Virus Evolution averages 4.6 out of 5 from 866 ratings, while Merge Legs averages 2.6 from 101 ratings.

### Do Virus Evolution or Merge Legs have ads?

Both Virus Evolution and Merge Legs show ads.

### Which is updated more often, Virus Evolution or Merge Legs?

Virus Evolution ships an update monthly, and Merge Legs fortnightly. Most recently, Virus Evolution was updated on September 23, 2026 and Merge Legs on July 28, 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.*