# Knife Challenges vs Firefighter Run 3D

The clearest difference is ads: Firefighter Run 3D at none against Knife Challenges's shown. Firefighter Run 3D also leads on update cadence (every 2 days vs every 8 days). Knife Challenges's advantage is iOS requirement (10.0 vs 12.0). On price, 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.

Knife Challenges ships an update every 8 days, Firefighter Run 3D every 2 days. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Knife Challenges | Firefighter Run 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/knife-challenges/id1580914396/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 8 days | **Every 2 days** |
| Monetization | Ad-supported | — |
| Size | 102 MB | 102 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [跃峰 杨](https://appshunter.io/developer/1687429670) | [Hitflow Games OU](https://appshunter.io/developer/1529792412) |

## What reviewers say

### Knife Challenges

[App page](https://appshunter.io/ios/app/knife-challenges/id1580914396)

A relaxing puzzle game that tests your eyesight and patience. Navigate challenges with precision to survive and compete against others. Unlock a crazy mode for an ultimate test.

**Highlights:** Eyesight testing puzzles, Patience challenges, Survival gameplay, Competitive play, Crazy mode

**Features:** macOS Compatibility

**In-app purchases:** none


### Firefighter Run 3D

[App page](https://appshunter.io/ios/app/firefighter-run-3d/id6471036108)

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

**In-app purchases:** none


## Frequently asked questions

### Is Knife Challenges free?

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

### Is Firefighter Run 3D free?

Firefighter Run 3D is free to download, with no in-app purchases.

### Do Knife Challenges or Firefighter Run 3D have ads?

Knife Challenges shows ads; Firefighter Run 3D does not.

### Which is updated more often, Knife Challenges or Firefighter Run 3D?

Knife Challenges ships an update every 8 days, and Firefighter Run 3D every 2 days. Most recently, Knife Challenges was updated on October 21, 2026 and Firefighter Run 3D on October 25, 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.*