# Virus Evolution vs Merge Z

The clearest difference is in-app purchases: Merge Z at none against Virus Evolution's 9. Merge Z also leads on iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | Virus Evolution | Merge Z |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (867 ratings)](https://appshunter.io/ios/app/virus-evolution-destroy-earth/id6444859117/reviews)** | — |
| Number of ratings | **867** | — |
| Positive reviews | 32.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | — |
| Size | 245 MB | 131 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 9+ |
| Developer | [Kwalee Ltd](https://appshunter.io/developer/497961736) | [Entity3 Limited](https://appshunter.io/developer/1055360372) |

## 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 Z

[App page](https://appshunter.io/ios/app/merge-z/id6451416673)

**In-app purchases:** none


## Frequently asked questions

### Is Virus Evolution free?

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

### Is Merge Z free?

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

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

Both Virus Evolution and Merge Z show ads.

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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.*