# LettersRush3D vs Pixel Memorization Game

The clearest difference is ads: LettersRush3D at none against Pixel Memorization Game's shown. LettersRush3D also leads on update cadence (every 2 months vs every 8 months) and iOS requirement (11.0 vs 15.0). 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.

LettersRush3D ships an update every 2 months, Pixel Memorization Game every 8 months. The most recent releases landed on September 20, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | LettersRush3D | Pixel Memorization Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/pixel-memorization-game/id6476827950/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | — | Ad-supported |
| Size | 165 MB | 84 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Omer Serif Bilsel](https://appshunter.io/developer/312280518) | [Hirokazu Uno](https://appshunter.io/developer/1570016990) |

## What reviewers say

### LettersRush3D

[App page](https://appshunter.io/ios/app/lettersrush3d/id6443526295)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pixel Memorization Game

[App page](https://appshunter.io/ios/app/pixel-memorization-game/id6476827950)

Test your memory by recalling the exact position and order of pixels. Challenge yourself with increasingly difficult levels or practice at your own pace in free mode. Master the grid to succeed.

**Highlights:** Pixel position and order recall, Challenge mode with increasing difficulty, Free mode for custom practice, Level-based progression, Grid-based gameplay

**In-app purchases:** none


## Frequently asked questions

### Is LettersRush3D free?

LettersRush3D is free to download, with no in-app purchases.

### Is Pixel Memorization Game free?

Pixel Memorization Game is free to download, with no in-app purchases.

### Do LettersRush3D or Pixel Memorization Game have ads?

Pixel Memorization Game shows ads; LettersRush3D does not.

### Which is updated more often, LettersRush3D or Pixel Memorization Game?

LettersRush3D ships an update every 2 months, and Pixel Memorization Game every 8 months. Most recently, LettersRush3D was updated on September 20, 2026 and Pixel Memorization Game on September 15, 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.*