# Unlock Box — hard logic puzzle

> hard logic puzzle (iPhone/iPad app by Hien Nguyen.)

- Source: https://appshunter.io/ios/app/unlock-box/id1539709122 (this page in markdown: same URL + `.md`)
- Developer: [Hien Nguyen](https://appshunter.io/developer/870367656)
- Category: Games, Puzzle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 10.0 · 255 MB
- Languages: American English
- Released: 2020-12-13
- Data updated: 2026-08-16
- User reviews in markdown: https://appshunter.io/ios/app/unlock-box/id1539709122/reviews.md

## What is Unlock Box?

Unlock Box is game with unusual addictive playing mechanics.
Unlock Box is a fun free-to-play puzzle game for the development of logical thinking.
Many levels with increasing difficulty will spend you a lot of hours in the game, you will return to it again and again .

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

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



## Version history (last 1 release)

### 1.0 — 2020-12-13

No release notes.

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## More apps by Hien Nguyen

- [ZigZag Line - Impossible Game](https://appshunter.io/ios/app/zigzag-line-impossible-game/id975716277)
- [Memory Animal Kids](https://appshunter.io/ios/app/memory-animal-kids/id1238734347)
- [Robots vs Zombies Game](https://appshunter.io/ios/app/robots-vs-zombies-game/id1375763489)
- [Sleeping Melodies: Sleep Sound](https://appshunter.io/ios/app/sleeping-melodies-sleep-sound/id1440970794)
- [Robots vs Zombies Game 2](https://appshunter.io/ios/app/robots-vs-zombies-game-2/id1483188927)
- [Zombies Lab](https://appshunter.io/ios/app/zombies-lab/id1486434431)

All apps by Hien Nguyen: https://appshunter.io/developer/870367656

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-16.*