# Army Bubble vs Knives Jam 3D

Army Bubble and Knives Jam 3D are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on October 8, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Army Bubble | Knives Jam 3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 5 days | Every 5 days |
| Size | 136 MB | 125 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bugbomb](https://appshunter.io/developer/1440148721) | [RedLine Games](https://appshunter.io/developer/1050165849) |

## What reviewers say

### Army Bubble

[App page](https://appshunter.io/ios/app/army-bubble/id6502446726)

**Features:** macOS Compatibility

**In-app purchases:** none


### Knives Jam 3D

[App page](https://appshunter.io/ios/app/knives-jam-3d/id6503088800)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Army Bubble free?

Army Bubble is free to download, with no in-app purchases.

### Is Knives Jam 3D free?

Knives Jam 3D is free to download, with no in-app purchases.

### Do Army Bubble or Knives Jam 3D have ads?

Both Army Bubble and Knives Jam 3D show ads.

### Which is updated more often, Army Bubble or Knives Jam 3D?

Army Bubble ships an update every 5 days, and Knives Jam 3D every 5 days. Most recently, Army Bubble was updated on October 8, 2026 and Knives Jam 3D on October 17, 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.*