# Dr Virus vs Twisted Knots

The clearest difference is in-app purchases: Dr Virus at none against Twisted Knots's 3. Dr Virus also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Twisted Knots sells 3 in-app purchases, starting at $9.99 per 7 days. Dr Virus asks for nothing beyond the download.

## The numbers

| Metric | Dr Virus | Twisted Knots |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 16.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 10 MB | 241 MB |
| Requires iOS | 12.4 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | +17 |
| Developer | [Giro Technology Ltd](https://appshunter.io/developer/1641128177) | [Playense](https://appshunter.io/developer/1373864376) |

## What reviewers say

### Dr Virus

[App page](https://appshunter.io/ios/app/dr-virus/id6451312547)

**Features:** macOS Compatibility

**In-app purchases:** none


### Twisted Knots

[App page](https://appshunter.io/ios/app/twisted-knots-tangled-master/id6469707752)

Engage in a captivating puzzle adventure where you untangle complex rope configurations within limited moves. Showcase strategic thinking and become a master untangler with mesmerizing visuals and brain-teasing challenges.

**Highlights:** Untangle complex rope configurations, Limited moves per level, Mesmerizing visuals, Intuitive swipe/tap controls, Brain-teasing challenges, Strategic thinking required

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Member | $9.99 | per 7 days |
| Remove Ad | $9.99 | one-time |
| Premium Pack | $17.99 | one-time |


## Frequently asked questions

### Is Dr Virus free?

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

### Is Twisted Knots free?

Twisted Knots is free to download, with in-app purchases available.

### Do Dr Virus or Twisted Knots have ads?

Twisted Knots shows ads; Dr Virus does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*