# NumJam vs Bolt Bolder!

The clearest difference is iOS requirement: Bolt Bolder! at 12.0 against NumJam's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

NumJam ships an update every 6 days, Bolt Bolder! weekly. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | NumJam | Bolt Bolder! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 6 days** | Weekly |
| Size | 98 MB | 109 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oneiric Gaming](https://appshunter.io/developer/1537581074) | [Iconic Games](https://appshunter.io/developer/1770013763) |

## What reviewers say

### NumJam

[App page](https://appshunter.io/ios/app/numjam/id1589439853)

**Features:** macOS Compatibility

**In-app purchases:** none


### Bolt Bolder!

[App page](https://appshunter.io/ios/app/bolt-bolder/id6737984553)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NumJam free?

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

### Is Bolt Bolder! free?

Bolt Bolder! is free to download, with no in-app purchases.

### Do NumJam or Bolt Bolder! have ads?

Both NumJam and Bolt Bolder! show ads.

### Which is updated more often, NumJam or Bolt Bolder!?

NumJam ships an update every 6 days, and Bolt Bolder! weekly. Most recently, NumJam was updated on November 7, 2026 and Bolt Bolder! 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.*