# Space Interface vs smART STIX

Space Interface and smART STIX are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Space Interface ships an update every 8 months, smART STIX every 5 months. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Space Interface | smART STIX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.3 (3 ratings)](https://appshunter.io/ios/app/smart-stix/id1564698752/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 months** |
| Monetization | — | Free |
| Size | 145 MB | 28 MB |
| Requires iOS | **12.0** | 12.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Haichao Zhang](https://appshunter.io/developer/1294373918) | [FlyCatcher Inc.](https://appshunter.io/developer/841991396) |

## What reviewers say

### Space Interface

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

**Features:** macOS Compatibility

**In-app purchases:** none


### smART STIX

[App page](https://appshunter.io/ios/app/smart-stix/id1564698752)

This app guides users through building projects using bendable rods and connectors. Select a blueprint, measure and cut materials with the workbench, then follow interactive instructions to construct your design.

**Highlights:** Blueprint selection, Interactive step-by-step instructions, Material measurement and cutting guide, Design construction guidance

**In-app purchases:** none


## Frequently asked questions

### Is Space Interface free?

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

### Is smART STIX free?

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

### Do Space Interface or smART STIX have ads?

Neither Space Interface nor smART STIX shows ads.

### Which is updated more often, Space Interface or smART STIX?

Space Interface ships an update every 8 months, and smART STIX every 5 months. Most recently, Space Interface was updated on September 17, 2026 and smART STIX on September 10, 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.*