# Fusion Knight vs Bacteria

The clearest difference is in-app purchases: Fusion Knight at none against Bacteria's 1. Fusion Knight also leads on iOS requirement (13 vs 18.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Bacteria sells 1 one-off in-app purchase. Fusion Knight asks for nothing beyond the download.

Fusion Knight ships an update every 5 weeks, Bacteria every 3 weeks. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Fusion Knight | Bacteria |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 105 MB | 19 MB |
| Requires iOS | **13** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [AMAMOB SOFTWARE COMPANY LIMITED](https://appshunter.io/developer/1739917434) | [SAN JUNIPERO](https://appshunter.io/developer/1773330083) |

## What reviewers say

### Fusion Knight

[App page](https://appshunter.io/ios/app/fusion-knight-king-command/id6744052806)

**Features:** macOS Compatibility

**In-app purchases:** none


### Bacteria

[App page](https://appshunter.io/ios/app/bacteria-strategy-game/id6746348928)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mode Premium | $1.99 | one-time |


## Frequently asked questions

### Is Fusion Knight free?

Fusion Knight is free to download, with no in-app purchases.

### Is Bacteria free?

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

### Do Fusion Knight or Bacteria have ads?

Neither Fusion Knight nor Bacteria shows ads.

### Which is updated more often, Fusion Knight or Bacteria?

Fusion Knight ships an update every 5 weeks, and Bacteria every 3 weeks. Most recently, Fusion Knight was updated on October 12, 2026 and Bacteria on October 16, 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.*