# Fire Knife 3D vs King.io

The clearest difference is rating: Fire Knife 3D at 5.0 against King.io's 4.4. Fire Knife 3D also leads on update cadence (every 4 days vs every 5 months) and iOS requirement (8.1 vs 13.0). King.io's advantage is ratings volume (25 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Fire Knife 3D holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: King.io has 25 ratings behind it against 1, so its average is the more settled of the two.

Fire Knife 3D ships an update every 4 days, King.io every 5 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Fire Knife 3D | King.io |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fire-knife-3d/id1453839400/reviews)** | [4.4 (25 ratings)](https://appshunter.io/ios/app/kingio-conquer-the-world/id1639695561/reviews) |
| Number of ratings | 1 | **25** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 months |
| Monetization | Free | Free |
| Size | 71 MB | 76 MB |
| Requires iOS | **8.1** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AA2G1 LTD](https://appshunter.io/developer/1435150054) | [Duong Nam](https://appshunter.io/developer/1367454082) |

## What reviewers say

### Fire Knife 3D

[App page](https://appshunter.io/ios/app/fire-knife-3d/id1453839400)

Test your dexterity by throwing knives at targets, avoiding other blades. Break log towers, defeat bosses, and complete hundreds of levels. Earn coins to unlock a collection of cool knives and show off your skills.

**Highlights:** Knife throwing mechanics, Log tower breaking, Boss fights, Hundreds of levels, Coin collection, Unlockable knives

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

**In-app purchases:** none


### King.io

[App page](https://appshunter.io/ios/app/kingio-conquer-the-world/id1639695561)

Expand your territory by drawing closed curves to claim land. Avoid touching enemies while drawing to survive and conquer. This free game offers simple yet challenging gameplay for aspiring rulers.

**Highlights:** Claim territory by drawing curves, Defeat enemies to survive, Completely free to play, No Wi-Fi required, Easy to learn, challenging to master, No time limits, Unlockable skins

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fire Knife 3D free?

Fire Knife 3D is free to download, with no in-app purchases.

### Is King.io free?

King.io is free to download, with no in-app purchases.

### Which has better reviews, Fire Knife 3D or King.io?

Fire Knife 3D is rated higher. Fire Knife 3D averages 5.0 out of 5 from 1 ratings, while King.io averages 4.4 from 25 ratings.

### Do Fire Knife 3D or King.io have ads?

Neither Fire Knife 3D nor King.io shows ads.

### Which is updated more often, Fire Knife 3D or King.io?

Fire Knife 3D ships an update every 4 days, and King.io every 5 months. Most recently, Fire Knife 3D was updated on November 2, 2026 and King.io 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.*