# Number Jam 3D vs Blast Chain

The clearest difference is in-app purchases: Number Jam 3D at none against Blast Chain's 10. Number Jam 3D also leads on update cadence (daily vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Blast Chain sells 10 one-off in-app purchases. Number Jam 3D asks for nothing beyond the download.

Number Jam 3D ships an update daily, Blast Chain every 6 weeks. Both last shipped on November 8, 2026.

## The numbers

| Metric | Number Jam 3D | Blast Chain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Daily** | Every 6 weeks |
| Size | 82 MB | 313 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Owen Gillett](https://appshunter.io/developer/1154015803) | [MUST Games](https://appshunter.io/developer/1402502128) |

## What reviewers say

### Number Jam 3D

[App page](https://appshunter.io/ios/app/number-jam-3d/id6474667814)

**Features:** macOS Compatibility

**In-app purchases:** none


### Blast Chain

[App page](https://appshunter.io/ios/app/blast-chain/id6475392772)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gold Pack (Limited) | $0.99 | one-time |
| Blue Core Pack | $5.99 | one-time |
| Stage Pass 3 | $6.99 | one-time |
| Green Core Pack | $6.99 | one-time |
| Daily Gold Pack | $6.99 | one-time |
| Stage Pass 4 | $6.99 | one-time |
| Gem Pass 1 | $8.99 | one-time |
| Chap.10 Pack | $9.99 | one-time |
| Tier Ⅲ Core Pack! | $13.99 | one-time |
| Gem Pass 2 | $17.99 | one-time |


## Frequently asked questions

### Is Number Jam 3D free?

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

### Is Blast Chain free?

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

### Do Number Jam 3D or Blast Chain have ads?

Both Number Jam 3D and Blast Chain show ads.

### Which is updated more often, Number Jam 3D or Blast Chain?

Number Jam 3D ships an update daily, and Blast Chain every 6 weeks. Most recently, Number Jam 3D was updated on November 8, 2026 and Blast Chain on November 8, 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.*