# Item Sort Puzzle vs Retro Memory Puzzle

The clearest difference is update cadence: Retro Memory Puzzle at weekly against Item Sort Puzzle's every 5 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.

Item Sort Puzzle ships an update every 5 months, Retro Memory Puzzle weekly. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Item Sort Puzzle | Retro Memory Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Weekly** |
| Size | 116 MB | 128 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hirokazu Uno](https://appshunter.io/developer/1570016990) | [Duong Pham Son](https://appshunter.io/developer/1297138564) |

## What reviewers say

### Item Sort Puzzle

[App page](https://appshunter.io/ios/app/item-sort-puzzle-infinity/id6754827008)

**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 Item Sort Puzzle free?

Item Sort Puzzle 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 Item Sort Puzzle or Retro Memory Puzzle have ads?

Both Item Sort Puzzle and Retro Memory Puzzle show ads.

### Which is updated more often, Item Sort Puzzle or Retro Memory Puzzle?

Item Sort Puzzle ships an update every 5 months, and Retro Memory Puzzle weekly. Most recently, Item Sort Puzzle was updated on October 5, 2026 and Retro Memory Puzzle on October 7, 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.*