# Simple Flash Mental Arithmetic vs Pixel Memorization Game

The clearest difference is update cadence: Simple Flash Mental Arithmetic at every 2 months against Pixel Memorization Game's every 8 months. Simple Flash Mental Arithmetic also leads on iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Simple Flash Mental Arithmetic ships an update every 2 months, Pixel Memorization Game every 8 months. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Simple Flash Mental Arithmetic | 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** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 21 MB | 84 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yuki Takeda](https://appshunter.io/developer/1021096508) | [Hirokazu Uno](https://appshunter.io/developer/1570016990) |

## What reviewers say

### Simple Flash Mental Arithmetic

[App page](https://appshunter.io/ios/app/simple-flash-mental-arithmetic/id1022200948)

Practice mental math with this application. Choose from various difficulty levels to train your arithmetic skills or engage in brain exercises for anti-aging. It's a straightforward tool for improving calculation speed and accuracy.

**Highlights:** Adjustable difficulty levels, Mental arithmetic training, Anti-aging brain exercises, Suitable for all skill levels

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

**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 Simple Flash Mental Arithmetic free?

Simple Flash Mental Arithmetic 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 Simple Flash Mental Arithmetic or Pixel Memorization Game have ads?

Both Simple Flash Mental Arithmetic and Pixel Memorization Game show ads.

### Which is updated more often, Simple Flash Mental Arithmetic or Pixel Memorization Game?

Simple Flash Mental Arithmetic ships an update every 2 months, and Pixel Memorization Game every 8 months. Most recently, Simple Flash Mental Arithmetic was updated on October 13, 2026 and Pixel Memorization Game on October 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.*