# Simple Flash Mental Arithmetic vs Speed

The clearest difference is review sentiment: Simple Flash Mental Arithmetic at 50% against Speed's 0%. Simple Flash Mental Arithmetic also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 27, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Simple Flash Mental Arithmetic | Speed |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (10 ratings)](https://appshunter.io/ios/app/speed-solo/id6449889668/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 21 MB | 87 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


### Speed

[App page](https://appshunter.io/ios/app/speed-solo/id6449889668)

A single-player card game where you compete against the computer to discard your cards faster. Progress through increasingly challenging levels as you beat the AI.

**Highlights:** Single-player gameplay, Progressive difficulty levels, Card matching mechanics, Unlockable levels, Classic card game rules

**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 Speed free?

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

### Do Simple Flash Mental Arithmetic or Speed have ads?

Both Simple Flash Mental Arithmetic and Speed show ads.

### Which is updated more often, Simple Flash Mental Arithmetic or Speed?

Simple Flash Mental Arithmetic ships an update every 2 months, and Speed every 2 months. Most recently, Simple Flash Mental Arithmetic was updated on September 27, 2026 and Speed 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.*