# Retro Memory Puzzle vs Bolt Board Screws

The clearest difference is in-app purchases: Retro Memory Puzzle at none against Bolt Board Screws's 6. Bolt Board Screws's advantage is update cadence (every 3 days vs weekly) and iOS requirement (13.3 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Bolt Board Screws sells 6 one-off in-app purchases. Retro Memory Puzzle asks for nothing beyond the download.

Retro Memory Puzzle ships an update weekly, Bolt Board Screws every 3 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | Retro Memory Puzzle | Bolt Board Screws |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 3 days** |
| Size | 128 MB | 87 MB |
| Requires iOS | 15.6 | **13.3** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Duong Pham Son](https://appshunter.io/developer/1297138564) | [Mohammed Handa](https://appshunter.io/developer/1877992205) |

## What reviewers say

### Retro Memory Puzzle

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

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

**In-app purchases:** none


### Bolt Board Screws

[App page](https://appshunter.io/ios/app/bolt-board-screws/id6780066252)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Handful of Coins | $0.99 | one-time |
| Starter Pack | $1.99 | one-time |
| Power-Up Pack | $2.99 | one-time |
| Remove Ads | $3.99 | one-time |
| Bag of Coins | $4.99 | one-time |
| Chest of Coins | $9.99 | one-time |


## Frequently asked questions

### Is Retro Memory Puzzle free?

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

### Is Bolt Board Screws free?

Bolt Board Screws is free to download, with in-app purchases available.

### Do Retro Memory Puzzle or Bolt Board Screws have ads?

Both Retro Memory Puzzle and Bolt Board Screws show ads.

### Which is updated more often, Retro Memory Puzzle or Bolt Board Screws?

Retro Memory Puzzle ships an update weekly, and Bolt Board Screws every 3 days. Most recently, Retro Memory Puzzle was updated on November 5, 2026 and Bolt Board Screws on November 5, 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.*