# Unzip 3D vs HiddenForm

The clearest difference is in-app purchases: Unzip 3D at none against HiddenForm's 1. Unzip 3D also leads on iOS requirement (15.0 vs 26.0). HiddenForm's advantage is update cadence (every 4 days vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. HiddenForm sells 1 one-off in-app purchase. Unzip 3D asks for nothing beyond the download.

Unzip 3D ships an update every 6 weeks, HiddenForm every 4 days. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Unzip 3D | HiddenForm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/unzip-3d/id6769680896/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | Ad-supported | — |
| Size | 407 MB | 457 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GAMEPROMO CO., LIMITED](https://appshunter.io/developer/1619749576) | [Kyndlo LLC](https://appshunter.io/developer/1878300995) |

## What reviewers say

### Unzip 3D

[App page](https://appshunter.io/ios/app/unzip-3d/id6769680896)

Unzip and sort colorful fabric pieces from 3D objects by tapping zippers in the correct order. Avoid getting stuck by planning your moves carefully to match colors and clear the puzzle.

**Highlights:** Addictive unzip puzzles, Satisfying peel mechanic, Tricky layers & blocked zippers, Brain-training fun, Charming 3D visuals, Hundreds of 3D objects

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

**In-app purchases:** none


### HiddenForm

[App page](https://appshunter.io/ios/app/hiddenform/id6809650487)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove all ads | $6.99 | one-time |


## Frequently asked questions

### Is Unzip 3D free?

Unzip 3D is free to download, with no in-app purchases.

### Is HiddenForm free?

HiddenForm is free to download, with in-app purchases available.

### Do Unzip 3D or HiddenForm have ads?

Both Unzip 3D and HiddenForm show ads.

### Which is updated more often, Unzip 3D or HiddenForm?

Unzip 3D ships an update every 6 weeks, and HiddenForm every 4 days. Most recently, Unzip 3D was updated on October 7, 2026 and HiddenForm on October 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.*