# Unlock Box vs Odd Machines

The clearest difference is ads: Odd Machines at none against Unlock Box's shown. Odd Machines also leads on update cadence (every 2 months vs every 71 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Unlock Box sells 2 one-off in-app purchases and Odd Machines sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Unlock Box ships an update every 71 months, Odd Machines every 2 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Unlock Box | Odd Machines |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (89 ratings)](https://appshunter.io/ios/app/odd-machines-mechanical-boxes/id6737251986/reviews)** |
| Number of ratings | — | **89** |
| Positive reviews | — | 61.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 71 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 52 MB | 436 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Hien Nguyen](https://appshunter.io/developer/870367656) | [XSGames](https://appshunter.io/developer/1725979641) |

## What reviewers say

### Unlock Box

[App page](https://appshunter.io/ios/app/unlock-box/id1539709122)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 360 puzzle pieces | $0.99 | one-time |
| 4000 puzzle pieces | $9.99 | one-time |


### Odd Machines

[App page](https://appshunter.io/ios/app/odd-machines-mechanical-boxes/id6737251986)

Embark on a 3D escape room adventure as a treasure hunter seeking a lost artifact. Solve intricate mechanical puzzles, uncover hidden objects, and unravel mysteries within an ancient temple. Collect fragments of a powerful stone to escape.

**Highlights:** Solve unique puzzle boxes, Explore an ancient temple, Collect fragments of a lost stone, Immersive audio experience, Multi-language support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Game | $3.99 | one-time |
| Unlock Full Game + Coffee | $4.99 | one-time |
| Unlock Full Game + Love | $7.99 | one-time |

**What reviewers like**

- 🤔 Makes you think
- 💡 Ingenious puzzles
- ✨ Beautiful graphics
- 🎶 Soothing sounds and music
- 🎯 Logical puzzles

**What reviewers complain about**

- 🤏 Tiny text size
- 🖱️ Frustrating click accuracy
- ❓ Clues sometimes random
- 💰 Overpriced for content
- 🚫 Game doesn't work

**Reported bugs**

- No stone to collect from 5th window
- Game closes immediately on 'play'
- Bug in first machine, stone disappears
- Cannot zoom on puzzle
- Cannot actuate dials

**Requested features**

- Full game should be free
- Monocle usable at zoomed out level
- More visual feedback for puzzle completion
- Option to get the answer when hint isn't enough
- More levels/unlimited levels


## Frequently asked questions

### Is Unlock Box free?

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

### Is Odd Machines free?

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

### Do Unlock Box or Odd Machines have ads?

Unlock Box shows ads; Odd Machines does not.

### Which is updated more often, Unlock Box or Odd Machines?

Unlock Box ships an update every 71 months, and Odd Machines every 2 months. Most recently, Unlock Box was updated on November 3, 2026 and Odd Machines 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.*