# Speed calculation vs Mental Arithmetic Math

The clearest difference is in-app purchases: Mental Arithmetic Math at none against Speed calculation's 1. Mental Arithmetic Math also leads on update cadence (every 2 months vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Speed calculation sells 1 one-off in-app purchase. Mental Arithmetic Math asks for nothing beyond the download.

Speed calculation ships an update every 5 months, Mental Arithmetic Math every 2 months. The most recent releases landed on September 20, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Speed calculation | Mental Arithmetic Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (90 ratings)](https://appshunter.io/ios/app/mental-arithmetic-math/id1580847431/reviews)** |
| Number of ratings | — | **90** |
| Positive reviews | — | 90.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | — | Ad-supported |
| Size | 4 MB | 105 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [宏斌 樊](https://appshunter.io/developer/1452129040) | [Satoshi Konno](https://appshunter.io/developer/1565729374) |

## What reviewers say

### Speed calculation

[App page](https://appshunter.io/ios/app/speed-calculation/id1436483686)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads. | $3.99 | one-time |


### Mental Arithmetic Math

[App page](https://appshunter.io/ios/app/mental-arithmetic-math/id1580847431)

Engage in fun arithmetic challenges suitable for all ages. Improve your math skills and concentration with adjustable difficulty levels. Play solo or with friends, even offline, for a quick and enjoyable brain workout.

**Highlights:** Arithmetic challenges, Adjustable difficulty, Suitable for all ages, Play with friends, Offline play, Improves concentration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Speed calculation free?

Speed calculation is free to download, with in-app purchases available.

### Is Mental Arithmetic Math free?

Mental Arithmetic Math is free to download, with no in-app purchases.

### Do Speed calculation or Mental Arithmetic Math have ads?

Both Speed calculation and Mental Arithmetic Math show ads.

### Which is updated more often, Speed calculation or Mental Arithmetic Math?

Speed calculation ships an update every 5 months, and Mental Arithmetic Math every 2 months. Most recently, Speed calculation was updated on September 20, 2026 and Mental Arithmetic Math on September 29, 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.*