# Unfold vs HEP Vaud

The clearest difference is price: HEP Vaud at Free against Unfold's $0.99. HEP Vaud also leads on update cadence (every 5 weeks vs every 14 months). Unfold's advantage is iOS requirement (13.0 vs 16.6). On ads, in-app purchases and device support there is nothing between them.

HEP Vaud is free to download; Unfold costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Unfold ships an update every 14 months, HEP Vaud every 5 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Unfold | HEP Vaud |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 1 MB | 35 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Paul Hangas](https://appshunter.io/developer/433121902) | [PocketCampus Sarl](https://appshunter.io/developer/549799538) |

## 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


### HEP Vaud

[App page](https://appshunter.io/ios/app/hep-vaud/id1631127907)

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Unfold free?

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

### Is HEP Vaud free?

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

### Do Unfold or HEP Vaud have ads?

Neither Unfold nor HEP Vaud shows ads.

### Which is updated more often, Unfold or HEP Vaud?

Unfold ships an update every 14 months, and HEP Vaud every 5 weeks. Most recently, Unfold was updated on October 29, 2026 and HEP Vaud on October 30, 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.*