# Open the Lock! vs Retro Memory Puzzle

The clearest difference is ads: Open the Lock! at none against Retro Memory Puzzle's shown. Open the Lock! also leads on iOS requirement (8.0 vs 15.6). Retro Memory Puzzle's advantage is update cadence (weekly vs every 2 months). 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.

Open the Lock! ships an update every 2 months, Retro Memory Puzzle weekly. The most recent releases landed on November 2, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Open the Lock! | Retro Memory Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/open-the-lock/id1393988763/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | — |
| Size | 71 MB | 128 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Venclovas](https://appshunter.io/developer/1097526879) | [Duong Pham Son](https://appshunter.io/developer/1297138564) |

## What reviewers say

### Open the Lock!

[App page](https://appshunter.io/ios/app/open-the-lock/id1393988763)

A simple arcade game where players tap their screen at the precise moment to unlock a series of locks. Test your timing and reflexes in this addictive challenge.

**Highlights:** Tap at the right moment, Crack the lock, Simple gameplay, Addictive challenge, Test your timing

**Features:** macOS Compatibility

**In-app purchases:** none


### Retro Memory Puzzle

[App page](https://appshunter.io/ios/app/retro-memory-puzzle/id6774979445)

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

**In-app purchases:** none


## Frequently asked questions

### Is Open the Lock! free?

Open the Lock! is free to download, with no in-app purchases.

### Is Retro Memory Puzzle free?

Retro Memory Puzzle is free to download, with no in-app purchases.

### Do Open the Lock! or Retro Memory Puzzle have ads?

Retro Memory Puzzle shows ads; Open the Lock! does not.

### Which is updated more often, Open the Lock! or Retro Memory Puzzle?

Open the Lock! ships an update every 2 months, and Retro Memory Puzzle weekly. Most recently, Open the Lock! was updated on November 2, 2026 and Retro Memory Puzzle 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.*