# Space Interface vs LīnArt (LineArt)

The clearest difference is in-app purchases: Space Interface at none against LīnArt (LineArt)'s 1. Space Interface also leads on ads (none vs shown) and update cadence (every 8 months vs every 19 months). On price and device support there is nothing between them.

Both are free to download. LīnArt (LineArt) sells 1 one-off in-app purchase. Space Interface asks for nothing beyond the download.

Space Interface ships an update every 8 months, LīnArt (LineArt) every 19 months. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Space Interface | LīnArt (LineArt) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/linart-lineart/id1349623050/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 8 months** | Every 19 months |
| Monetization | — | Free with in-app purchases |
| Size | 145 MB | 8 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Haichao Zhang](https://appshunter.io/developer/1294373918) | [Nicholas Giarraputo](https://appshunter.io/developer/1328808777) |

## What reviewers say

### Space Interface

[App page](https://appshunter.io/ios/app/space-interface/id1294373919)

**Features:** macOS Compatibility

**In-app purchases:** none


### LīnArt (LineArt)

[App page](https://appshunter.io/ios/app/linart-lineart/id1349623050)

Easily create beautiful 3D art by simply tapping and dragging your finger. Customize colors and line thickness with 3D Touch support. Save your creations to your photo library to keep them forever.

**Highlights:** Tap and drag drawing, 3D Touch line size adjustment, Vibrant color selection, Customizable canvas color, Save artwork to photos, Minimalist interface

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LīnArt Pro | $0.99 | one-time |


## Frequently asked questions

### Is Space Interface free?

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

### Is LīnArt (LineArt) free?

LīnArt (LineArt) is free to download, with in-app purchases available.

### Do Space Interface or LīnArt (LineArt) have ads?

LīnArt (LineArt) shows ads; Space Interface does not.

### Which is updated more often, Space Interface or LīnArt (LineArt)?

Space Interface ships an update every 8 months, and LīnArt (LineArt) every 19 months. Most recently, Space Interface was updated on October 4, 2026 and LīnArt (LineArt) on October 6, 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.*