# Just One Line Drawing vs Shape Jam 3D!

The clearest difference is ads: Just One Line Drawing at none against Shape Jam 3D!'s shown. Just One Line Drawing also leads on iOS requirement (9.0 vs 14.5). Shape Jam 3D!'s advantage is update cadence (weekly vs every 18 months). 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.

Just One Line Drawing ships an update every 18 months, Shape Jam 3D! weekly. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Just One Line Drawing | Shape Jam 3D! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 18 months | **Weekly** |
| Size | 76 MB | 106 MB |
| Requires iOS | **9.0** | 14.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [byte64](https://appshunter.io/developer/1530221131) | [Nebih Basaran](https://appshunter.io/developer/1586973680) |

## What reviewers say

### Just One Line Drawing

[App page](https://appshunter.io/ios/app/just-one-line-drawing/id1530221129)

**Features:** macOS Compatibility

**In-app purchases:** none


### Shape Jam 3D!

[App page](https://appshunter.io/ios/app/shape-jam-3d/id6547855298)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Just One Line Drawing free?

Just One Line Drawing is free to download, with no in-app purchases.

### Is Shape Jam 3D! free?

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

### Do Just One Line Drawing or Shape Jam 3D! have ads?

Shape Jam 3D! shows ads; Just One Line Drawing does not.

### Which is updated more often, Just One Line Drawing or Shape Jam 3D!?

Just One Line Drawing ships an update every 18 months, and Shape Jam 3D! weekly. Most recently, Just One Line Drawing was updated on October 25, 2026 and Shape Jam 3D! on October 27, 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.*