# Lock Shape vs Retro Memory Puzzle

The clearest difference is update cadence: Retro Memory Puzzle at weekly against Lock Shape's every 20 months. On price, ads, 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.

Lock Shape ships an update every 20 months, Retro Memory Puzzle weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Lock Shape | Retro Memory Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 20 months | **Weekly** |
| Monetization | Free | — |
| Size | 12 MB | 128 MB |
| Requires iOS | **15** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [kunal rameshbhai](https://appshunter.io/developer/1117340195) | [Duong Pham Son](https://appshunter.io/developer/1297138564) |

## What reviewers say

### Lock Shape

[App page](https://appshunter.io/ios/app/lock-shape/id6450044382)

Test your reflexes and focus in this challenging shape-matching game. Spin the octagon to align with incoming shapes and aim for the highest score. It's easy to learn but incredibly difficult to master, offering an addictive experience.

**Highlights:** Shape matching gameplay, Precision tapping controls, High score challenges, Addictive gameplay loop, Free to play

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

**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 Lock Shape free?

Lock Shape 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 Lock Shape or Retro Memory Puzzle have ads?

Both Lock Shape and Retro Memory Puzzle show ads.

### Which is updated more often, Lock Shape or Retro Memory Puzzle?

Lock Shape ships an update every 20 months, and Retro Memory Puzzle weekly. Most recently, Lock Shape was updated on October 24, 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.*