# 12 LOCKS vs DokuDuel

The clearest difference is ads: DokuDuel at none against 12 LOCKS's shown. DokuDuel also leads on update cadence (every 2 days vs every 7 months). 12 LOCKS's advantage is iOS requirement (12.0 vs 26.0). 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.

12 LOCKS ships an update every 7 months, DokuDuel every 2 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 12 LOCKS | DokuDuel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (3.2K ratings)](https://appshunter.io/ios/app/12-locks/id1504871805/reviews)** | — |
| Number of ratings | **3.2K** | — |
| Positive reviews | 88.8% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 2 days** |
| Monetization | Ad-supported | — |
| Size | 44 MB | 3 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rudolfs Lacinovs](https://appshunter.io/developer/1504871804) | [Yulei Li](https://appshunter.io/developer/1895858790) |

## What reviewers say

### 12 LOCKS

[App page](https://appshunter.io/ios/app/12-locks/id1504871805)

Solve a series of challenging puzzles to find keys and unlock a door. This escape room game features unique plasticine graphics and fun music, offering a delightful yet demanding experience for puzzle enthusiasts.

**Highlights:** Plasticine graphics, Fun music, 12 locks, 12 puzzles, Escape room gameplay

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Fun and challenging
- 👍 Cute and creative graphics
- 👍 Engaging puzzles
- 👍 Good for brain exercise
- 👍 Enjoyable for all ages

**What reviewers complain about**

- 🐛 Some puzzles too difficult
- 🐛 Occasional glitches or crashes
- 🔋 Ads can be intrusive

**Reported bugs**

- Number puzzle not working properly
- Ads not closing as expected

**Requested features**

- More levels and content
- Easier difficulty options
- Improved instructions or guidance


### DokuDuel

[App page](https://appshunter.io/ios/app/dokuduel/id6764635276)

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

**In-app purchases:** none


## Frequently asked questions

### Is 12 LOCKS free?

12 LOCKS is free to download, with no in-app purchases.

### Is DokuDuel free?

DokuDuel is free to download, with no in-app purchases.

### Do 12 LOCKS or DokuDuel have ads?

12 LOCKS shows ads; DokuDuel does not.

### Which is updated more often, 12 LOCKS or DokuDuel?

12 LOCKS ships an update every 7 months, and DokuDuel every 2 days. Most recently, 12 LOCKS was updated on October 27, 2026 and DokuDuel on October 24, 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.*