# Hidden Gem vs Gate Screw Puzzle

The clearest difference is in-app purchases: Gate Screw Puzzle at none against Hidden Gem's 3. Hidden Gem's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Hidden Gem sells 3 one-off in-app purchases. Gate Screw Puzzle asks for nothing beyond the download.

## The numbers

| Metric | Hidden Gem | Gate Screw Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | — | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 300 MB | 235 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Damiens](https://appshunter.io/developer/1719220515) | [Khalid Jarhder](https://appshunter.io/developer/1512072470) |

## What reviewers say

### Hidden Gem

[App page](https://appshunter.io/ios/app/hidden-gem-3d-book/id6473574945)

Experience a magical 3D children's story with animated graphics, sound, and interactive elements. This unique reading adventure follows three little pigs and a bird with a bathing problem. Designed for young children, it offers a fresh way to enjoy storytelling.

**Highlights:** 3D animated graphics, Original storyline, Interactive elements, Sound effects, Children's storybook format

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donut donation | $0.99 | one-time |
| Avocado brunch donation | $2.49 | one-time |
| Sushi roll donation | $9.99 | one-time |


### Gate Screw Puzzle

[App page](https://appshunter.io/ios/app/gate-screw-puzzle/id6517357530)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hidden Gem free?

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

### Is Gate Screw Puzzle free?

Gate Screw Puzzle is free to download, with no in-app purchases.

### Do Hidden Gem or Gate Screw Puzzle have ads?

Gate Screw Puzzle shows ads; Hidden Gem does not.

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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.*