# Bad Virus vs GermBoy 病菌小子

The clearest difference is in-app purchases: Bad Virus at none against GermBoy 病菌小子's 4. GermBoy 病菌小子's advantage is update cadence (every 2 months vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. GermBoy 病菌小子 sells 4 one-off in-app purchases. Bad Virus asks for nothing beyond the download.

Bad Virus ships an update every 4 months, GermBoy 病菌小子 every 2 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Bad Virus | GermBoy 病菌小子 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 47 MB | 2.5 GB |
| Requires iOS | 12.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Artur Zhyvkovych](https://appshunter.io/developer/1345118480) | [Yim Tsz Kin](https://appshunter.io/developer/1403662481) |

## What reviewers say

### Bad Virus

[App page](https://appshunter.io/ios/app/bad-virus/id1543795885)

**Features:** macOS Compatibility

**In-app purchases:** none


### GermBoy 病菌小子

[App page](https://appshunter.io/ios/app/germboy/id1561134673)

An astronomical expansion idle game where you cultivate and collect dozens of unique germs. Upgrade your equipment to cultivate rarer germs and satisfy your collecting mania. Enjoy casual, offline gameplay that continues even when the app is closed.

**Highlights:** Cultivate and collect germs, Upgrade culture flasks, Collect dozens of germ cards, Simultaneous cultivation of multiple body parts, Casual and offline gameplay, Continue playing without opening the app

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 150GP | $0.99 | one-time |
| 600 GP | $3.99 | one-time |
| 1200GP | $6.99 | one-time |
| 2000GP | $11.99 | one-time |


## Frequently asked questions

### Is Bad Virus free?

Bad Virus is free to download, with no in-app purchases.

### Is GermBoy 病菌小子 free?

GermBoy 病菌小子 is free to download, with in-app purchases available.

### Do Bad Virus or GermBoy 病菌小子 have ads?

Neither Bad Virus nor GermBoy 病菌小子 shows ads.

### Which is updated more often, Bad Virus or GermBoy 病菌小子?

Bad Virus ships an update every 4 months, and GermBoy 病菌小子 every 2 months. Most recently, Bad Virus was updated on October 27, 2026 and GermBoy 病菌小子 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.*