# Rotating Knife Target vs Vial Logic

The clearest difference is update cadence: Rotating Knife Target at every 6 days against Vial Logic's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Rotating Knife Target ships an update every 6 days, Vial Logic fortnightly. The most recent releases landed on October 19, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Rotating Knife Target | Vial Logic |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Fortnightly |
| Size | 52 MB | 44 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [青 胡](https://appshunter.io/developer/1853993509) | [汀桓 柳](https://appshunter.io/developer/1853452363) |

## What reviewers say

### Rotating Knife Target

[App page](https://appshunter.io/ios/app/rotating-knife-target/id6756290296)

**Features:** macOS Compatibility

**In-app purchases:** none


### Vial Logic

[App page](https://appshunter.io/ios/app/vial-logic/id6767820839)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rotating Knife Target free?

Rotating Knife Target is free to download, with no in-app purchases.

### Is Vial Logic free?

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

### Do Rotating Knife Target or Vial Logic have ads?

Neither Rotating Knife Target nor Vial Logic shows ads.

### Which is updated more often, Rotating Knife Target or Vial Logic?

Rotating Knife Target ships an update every 6 days, and Vial Logic fortnightly. Most recently, Rotating Knife Target was updated on October 19, 2026 and Vial Logic on October 25, 2026.

---

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