# Number Jam 3D vs - Stacks -

The clearest difference is ads: - Stacks - at none against Number Jam 3D's shown. Number Jam 3D's advantage is update cadence (daily vs every 2 days) and iOS requirement (12.0 vs 18.2). On price, in-app purchases and device support there is nothing between them.

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

Number Jam 3D ships an update daily, - Stacks - every 2 days. Both last shipped on September 26, 2026.

## The numbers

| Metric | Number Jam 3D | - Stacks - |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 2 days |
| Size | 82 MB | 4 MB |
| Requires iOS | **12.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Owen Gillett](https://appshunter.io/developer/1154015803) | [Ryley Herrington](https://appshunter.io/developer/536238316) |

## What reviewers say

### Number Jam 3D

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

**Features:** macOS Compatibility

**In-app purchases:** none


### - Stacks -

[App page](https://appshunter.io/ios/app/stacks/id6744260489)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Number Jam 3D free?

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

### Is - Stacks - free?

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

### Do Number Jam 3D or - Stacks - have ads?

Number Jam 3D shows ads; - Stacks - does not.

### Which is updated more often, Number Jam 3D or - Stacks -?

Number Jam 3D ships an update daily, and - Stacks - every 2 days. Most recently, Number Jam 3D was updated on September 26, 2026 and - Stacks - on September 26, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*