# Knife Challenge vs Dart Defense

The clearest difference is in-app purchases: Knife Challenge at none against Dart Defense's 1. Knife Challenge also leads on ads (none vs shown) and iOS requirement (9.0 vs 12.0). Dart Defense's advantage is update cadence (every 4 months vs every 18 months). On price and device support there is nothing between them.

Both are free to download. Dart Defense sells 1 one-off in-app purchase. Knife Challenge asks for nothing beyond the download.

Knife Challenge ships an update every 18 months, Dart Defense every 4 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Knife Challenge | Dart Defense |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/dart-defense/id1466434193/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 18 months | **Every 4 months** |
| Monetization | — | Free with in-app purchases |
| Size | 26 MB | 17 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [payal patel](https://appshunter.io/developer/1145207522) | [Aaron Hall](https://appshunter.io/developer/1448966605) |

## What reviewers say

### Knife Challenge

[App page](https://appshunter.io/ios/app/knife-challenge/id1444541189)

**Features:** macOS Compatibility

**In-app purchases:** none


### Dart Defense

[App page](https://appshunter.io/ios/app/dart-defense/id1466434193)

Tap to launch darts and pop a barrage of balloons. Utilize power-ups and special effects to clear levels. Compete in a challenging mode with 50 levels and aim for high scores.

**Highlights:** Tap to fire darts, Pop special balloons for power-ups, Challenge Mode with 50 levels, High score tracking, Fun power-ups and special effects

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Disable Ads | $0.99 | one-time |


## Frequently asked questions

### Is Knife Challenge free?

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

### Is Dart Defense free?

Dart Defense is free to download, with in-app purchases available.

### Do Knife Challenge or Dart Defense have ads?

Dart Defense shows ads; Knife Challenge does not.

### Which is updated more often, Knife Challenge or Dart Defense?

Knife Challenge ships an update every 18 months, and Dart Defense every 4 months. Most recently, Knife Challenge was updated on November 2, 2026 and Dart Defense on November 3, 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.*