# Circus Run vs Knives Jam 3D

The clearest difference is ads: Circus Run at none against Knives Jam 3D's shown. Knives Jam 3D's advantage is update cadence (every 5 days vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Circus Run ships an update every 2 weeks, Knives Jam 3D every 5 days. The most recent releases landed on October 20, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Circus Run | Knives Jam 3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Size | 185 MB | 125 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Korean Kids Ahead of The World Company](https://appshunter.io/developer/1498359937) | [RedLine Games](https://appshunter.io/developer/1050165849) |

## What reviewers say

### Circus Run

[App page](https://appshunter.io/ios/app/circus-run/id6472778445)

**Features:** macOS Compatibility

**In-app purchases:** none


### Knives Jam 3D

[App page](https://appshunter.io/ios/app/knives-jam-3d/id6503088800)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Circus Run free?

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

### Is Knives Jam 3D free?

Knives Jam 3D is free to download, with no in-app purchases.

### Do Circus Run or Knives Jam 3D have ads?

Knives Jam 3D shows ads; Circus Run does not.

### Which is updated more often, Circus Run or Knives Jam 3D?

Circus Run ships an update every 2 weeks, and Knives Jam 3D every 5 days. Most recently, Circus Run was updated on October 20, 2026 and Knives Jam 3D on October 17, 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.*