# pgmMasterCode vs Slide Block Puzzle

The clearest difference is ads: pgmMasterCode at none against Slide Block Puzzle's shown. Slide Block Puzzle's advantage is update cadence (every 6 weeks vs every 14 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

pgmMasterCode ships an update every 14 months, Slide Block Puzzle every 6 weeks. The most recent releases landed on October 3, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | pgmMasterCode | Slide Block Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Every 6 weeks** |
| Size | 1 MB | 118 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [pgmCode](https://appshunter.io/developer/793391703) | [勇 雷](https://appshunter.io/developer/1540097061) |

## What reviewers say

### pgmMasterCode

[App page](https://appshunter.io/ios/app/pgmmastercode/id793391700)

**Features:** macOS Compatibility

**In-app purchases:** none


### Slide Block Puzzle

[App page](https://appshunter.io/ios/app/slide-block-puzzle/id6670185782)

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

**In-app purchases:** none


## Frequently asked questions

### Is pgmMasterCode free?

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

### Is Slide Block Puzzle free?

Slide Block Puzzle is free to download, with no in-app purchases.

### Do pgmMasterCode or Slide Block Puzzle have ads?

Slide Block Puzzle shows ads; pgmMasterCode does not.

### Which is updated more often, pgmMasterCode or Slide Block Puzzle?

pgmMasterCode ships an update every 14 months, and Slide Block Puzzle every 6 weeks. Most recently, pgmMasterCode was updated on October 3, 2026 and Slide Block Puzzle on September 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.*