# Key Maker 3D vs Letter Jam!

The clearest difference is ads: Key Maker 3D at none against Letter Jam!'s shown. Key Maker 3D also leads on update cadence (every 6 days vs every 3 weeks) and iOS requirement (9.0 vs 12.0). On price, in-app purchases and device support there is nothing between them.

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

Key Maker 3D ships an update every 6 days, Letter Jam! every 3 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Key Maker 3D | Letter Jam! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/key-maker-3d/id1513857978/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 308 MB | 95 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Takashi Hida](https://appshunter.io/developer/1470918649) | [Can Hulagu](https://appshunter.io/developer/1629006728) |

## What reviewers say

### Key Maker 3D

[App page](https://appshunter.io/ios/app/key-maker-3d/id1513857978)

Forge a perfect key to unlock hidden treasures. This game challenges your precision and execution to create a key that precisely fits and turns a lock. Experience the satisfying challenge of crafting the ideal key.

**Highlights:** Simple controls, Realistic key forging experience, Unlock hidden treasures, Precision carving mechanics, Challenging gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### Letter Jam!

[App page](https://appshunter.io/ios/app/letter-jam/id6477922296)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Key Maker 3D free?

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

### Is Letter Jam! free?

Letter Jam! is free to download, with no in-app purchases.

### Do Key Maker 3D or Letter Jam! have ads?

Letter Jam! shows ads; Key Maker 3D does not.

### Which is updated more often, Key Maker 3D or Letter Jam!?

Key Maker 3D ships an update every 6 days, and Letter Jam! every 3 weeks. Most recently, Key Maker 3D was updated on November 3, 2026 and Letter Jam! on November 4, 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.*