# Jamjam! vs Knives Jam 3D

The clearest difference is in-app purchases: Knives Jam 3D at none against Jamjam!'s 7. Knives Jam 3D also leads on update cadence (every 5 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Jamjam! sells 7 one-off in-app purchases. Knives Jam 3D asks for nothing beyond the download.

Jamjam! ships an update monthly, Knives Jam 3D every 5 days. The most recent releases landed on October 17, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Jamjam! | Knives Jam 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (112 ratings)](https://appshunter.io/ios/app/jamjam/id1443452970/reviews)** | — |
| Number of ratings | **112** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 70 MB | 125 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [One up games](https://appshunter.io/developer/1595343462) | [RedLine Games](https://appshunter.io/developer/1050165849) |

## What reviewers say

### Jamjam!

[App page](https://appshunter.io/ios/app/jamjam/id1443452970)

Master precision jumping as a bouncy jelly character through challenging levels. Collect items, customize your character, and defeat bosses to advance. This game offers a refreshing blend of fun and skillful platforming action.

**Highlights:** Precision jumping mechanics, Challenging obstacle-filled levels, Coin and star collection for perfect scores, Cosmetic character upgrades, Boss levels with exclusive rewards

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Special Bandana - Pink | $0.99 | one-time |
| Special Bandana - White | $0.99 | one-time |
| Box skin UPGRADE 1 | $0.99 | one-time |
| Box skin UPGRADE 2 | $0.99 | one-time |
| Box skin UPGRADE 3 | $0.99 | one-time |
| Box skin UPGRADE 4 | $0.99 | one-time |
| New Skin - BOX | $1.99 | one-time |


### 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 Jamjam! free?

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

### Is Knives Jam 3D free?

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

### Do Jamjam! or Knives Jam 3D have ads?

Both Jamjam! and Knives Jam 3D show ads.

### Which is updated more often, Jamjam! or Knives Jam 3D?

Jamjam! ships an update monthly, and Knives Jam 3D every 5 days. Most recently, Jamjam! was updated on October 17, 2026 and Knives Jam 3D on October 1, 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.*