# Virus attack™ vs Yarnboy

The clearest difference is rating: Yarnboy at 5.0 against Virus attack™'s 2.1. Yarnboy also leads on in-app purchases (none vs 8) and update cadence (every 2 days vs every 3 months). Virus attack™'s advantage is ratings volume (89 vs 2). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Virus attack™ sells 8 one-off in-app purchases. Yarnboy asks for nothing beyond the download.

Yarnboy holds the better App Store score, 5.0 against 2.1. That said, the two scores are not equally well evidenced: Virus attack™ has 89 ratings behind it against 2, so its average is the more settled of the two.

Virus attack™ ships an update every 3 months, Yarnboy every 2 days. The most recent releases landed on September 18, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Virus attack™ | Yarnboy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (89 ratings)](https://appshunter.io/ios/app/virus-attack/id6754836598/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/yarnboy/id6781571724/reviews)** |
| Number of ratings | **89** | 2 |
| Positive reviews | 5.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 433 MB | 13 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [涛 倪](https://appshunter.io/developer/1640638406) | [Browning PC, LLC](https://appshunter.io/developer/6781571726) |

## What reviewers say

### Virus attack™

[App page](https://appshunter.io/ios/app/virus-attack/id6754836598)

Embody a mad scientist and unleash a mutated agent to transform citizens into zombies. Plunge the city into chaos and battle against suppression forces in this strategic simulation game.

**Highlights:** Play as a mad scientist, Release mutated agents, Turn citizens into zombies, Cause city chaos, Fight suppression forces

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cash Supply Pack 1 | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Cash Supply Pack 2 | $2.99 | one-time |
| $2.99 Weapon Pack | $2.99 | one-time |
| Cash Supply Pack 3 | $4.99 | one-time |
| Cash Supply Pack 4 | $9.99 | one-time |
| Cash Supply Pack 5 | $19.99 | one-time |
| Cash Supply Pack 6 | $49.99 | one-time |


### Yarnboy

[App page](https://appshunter.io/ios/app/yarnboy/id6781571724)

Control a runaway ball of yarn, leaving a trail to navigate increasingly complex tangles. Master one-thumb controls for arcade-style gameplay focused on nerve and timing. Collect in-game currency to unlock shop items and compete on global leaderboards.

**Highlights:** One-thumb controls, Arcade gameplay, Collect yarn balls, Global leaderboard, Daily challenges, Offline play

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

**In-app purchases:** none


## Frequently asked questions

### Is Virus attack™ free?

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

### Is Yarnboy free?

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

### Which has better reviews, Virus attack™ or Yarnboy?

Yarnboy is rated higher. Virus attack™ averages 2.1 out of 5 from 89 ratings, while Yarnboy averages 5.0 from 2 ratings.

### Do Virus attack™ or Yarnboy have ads?

Both Virus attack™ and Yarnboy show ads.

### Which is updated more often, Virus attack™ or Yarnboy?

Virus attack™ ships an update every 3 months, and Yarnboy every 2 days. Most recently, Virus attack™ was updated on September 18, 2026 and Yarnboy on September 20, 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.*