# Cyborgs vs Knife Challenge

The clearest difference is in-app purchases: Knife Challenge at none against Cyborgs's 1. Cyborgs's advantage is ads (none vs shown) and iOS requirement (8.2 vs 11.0). On price, update cadence and device support there is nothing between them.

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

Cyborgs ships an update every 16 months, Knife Challenge every 8 months. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Cyborgs | Knife Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (48 ratings)](https://appshunter.io/ios/app/cyborgs/id722452391/reviews)** | — |
| Number of ratings | **48** | — |
| Positive reviews | 98.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 16 months | **Every 8 months** |
| Monetization | Free with in-app purchases | — |
| Size | 60 MB | 161 MB |
| Requires iOS | **8.2** | 11.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [ZZ Best Games](https://appshunter.io/developer/540314895) | [北京快博科斯信息技术有限公司](https://appshunter.io/developer/1530774041) |

## What reviewers say

### Cyborgs

[App page](https://appshunter.io/ios/app/cyborgs/id722452391)

Engage in a tactical war against humanity as an AI controlling a robotic squad. Burn cities with lasers, upgrade your cyborgs, and convert enemy units to energy. Defeat human resistance and become unstoppable in this near-future conflict.

**Highlights:** Control robotic squad, Burn humans with lasers, Destroy cities and buildings, Convert enemy units to energy, Upgrade cyborgs, Defeat enemy vehicles

**Features:** macOS Compatibility

**In-app purchases (1)**

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


### Knife Challenge

[App page](https://appshunter.io/ios/app/knife-challenge-shooting-game/id6448082794)

**In-app purchases:** none


## Frequently asked questions

### Is Cyborgs free?

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

### Is Knife Challenge free?

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

### Do Cyborgs or Knife Challenge have ads?

Knife Challenge shows ads; Cyborgs does not.

### Which is updated more often, Cyborgs or Knife Challenge?

Cyborgs ships an update every 16 months, and Knife Challenge every 8 months. Most recently, Cyborgs was updated on November 1, 2026 and Knife Challenge on November 7, 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.*