# Unfold vs 3D Geometry

The clearest difference is price: 3D Geometry at Free against Unfold's $0.99. 3D Geometry also leads on update cadence (every 5 days vs every 14 months). Unfold's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 17.0). On ads and device support there is nothing between them.

3D Geometry is free to download; Unfold costs $0.99 up front. 3D Geometry sells 1 one-off in-app purchase. Unfold asks for nothing beyond the download.

Unfold ships an update every 14 months, 3D Geometry every 5 days. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Unfold | 3D Geometry |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.2 (47 ratings)](https://appshunter.io/ios/app/unfold/id557099803/reviews)** | — |
| Number of ratings | **47** | — |
| Positive reviews | 83.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 1 MB | 3 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Paul Hangas](https://appshunter.io/developer/433121902) | [光浩 李](https://appshunter.io/developer/1576352133) |

## What reviewers say

### Unfold

[App page](https://appshunter.io/ios/app/unfold/id557099803)

Explore the mathematical and artistic beauty of 3D geometric solids on your device. Interact with 63 different symmetrical shapes, rotating and unfolding them to understand their geometry. Discover Platonic, Archimedean, and Johnson solids with an elegant interface and customizable colors.

**Highlights:** Interactive 3D solids, 63 different geometric shapes, Rotate and zoom functionality, Fold and unfold solids, 18 color options

**Features:** macOS Compatibility

**In-app purchases:** none


### 3D Geometry

[App page](https://appshunter.io/ios/app/3d-geometry-solids-and-sections/id6757910669)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3D Geometry Pro | $5.99 | one-time |


## Frequently asked questions

### Is Unfold free?

Unfold costs $0.99, with no in-app purchases.

### Is 3D Geometry free?

3D Geometry is free to download, with in-app purchases available.

### Do Unfold or 3D Geometry have ads?

Neither Unfold nor 3D Geometry shows ads.

### Which is updated more often, Unfold or 3D Geometry?

Unfold ships an update every 14 months, and 3D Geometry every 5 days. Most recently, Unfold was updated on October 29, 2026 and 3D Geometry on October 25, 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.*