# Simple Flash Mental Arithmetic vs Number Place Class

The clearest difference is ads: Number Place Class at none against Simple Flash Mental Arithmetic's shown. Number Place Class also leads on update cadence (every 6 days vs every 2 months). Simple Flash Mental Arithmetic's advantage is iOS requirement (12.0 vs 18.6). 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.

Simple Flash Mental Arithmetic ships an update every 2 months, Number Place Class every 6 days. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Simple Flash Mental Arithmetic | Number Place Class |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | Ad-supported | — |
| Size | 21 MB | 6 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yuki Takeda](https://appshunter.io/developer/1021096508) | [Yukihiro Shioya](https://appshunter.io/developer/1565306192) |

## 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


### Number Place Class

[App page](https://appshunter.io/ios/app/number-place-class/id1565306190)

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

**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 Number Place Class free?

Number Place Class is free to download, with no in-app purchases.

### Do Simple Flash Mental Arithmetic or Number Place Class have ads?

Simple Flash Mental Arithmetic shows ads; Number Place Class does not.

### Which is updated more often, Simple Flash Mental Arithmetic or Number Place Class?

Simple Flash Mental Arithmetic ships an update every 2 months, and Number Place Class every 6 days. Most recently, Simple Flash Mental Arithmetic was updated on November 1, 2026 and Number Place Class on November 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.*