# Ninimaths vs Mental Arithmetic Math

The clearest difference is rating: Ninimaths at 4.9 against Mental Arithmetic Math's 4.4. Ninimaths also leads on ads (none vs shown). Mental Arithmetic Math's advantage is in-app purchases (none vs 3). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Ninimaths sells 3 one-off in-app purchases. Mental Arithmetic Math asks for nothing beyond the download.

Ninimaths holds the better App Store score, 4.9 against 4.4. Both are backed by a comparable volume of ratings — 47 and 97 respectively. Written reviews point the same way: 97% of Ninimaths's written reviews are positive against 90% of Mental Arithmetic Math's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Ninimaths | Mental Arithmetic Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (47 ratings)](https://appshunter.io/ios/app/ninimaths/id647989498/reviews)** | [4.4 (97 ratings)](https://appshunter.io/ios/app/mental-arithmetic-math/id1580847431/reviews) |
| Number of ratings | 47 | **97** |
| Positive reviews | **97.5% of reviews** | 90.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 11 MB | 105 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ninicode](https://appshunter.io/developer/647989501) | [Satoshi Konno](https://appshunter.io/developer/1565729374) |

## What reviewers say

### Ninimaths

[App page](https://appshunter.io/ios/app/ninimaths/id647989498)

This app offers daily mental arithmetic training with customizable exercises. Track your progress through daily scores and compete with others using the ranking function. Engage in timed challenges to sharpen your calculation speed.

**Highlights:** 5 calculation modes (add, subtract, multiply, divide, mixed), Customizable number ranges (1-5 digits), Column format display, Daily score tracking and graphs, Game Center ranking, Time trial challenges

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $0.99 | one-time |
| Hamburger | $1.99 | one-time |
| Ramen | $4.99 | 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 Ninimaths free?

Ninimaths 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.

### Which has better reviews, Ninimaths or Mental Arithmetic Math?

Ninimaths is rated higher. Ninimaths averages 4.9 out of 5 from 47 ratings, while Mental Arithmetic Math averages 4.4 from 97 ratings.

### Do Ninimaths or Mental Arithmetic Math have ads?

Mental Arithmetic Math shows ads; Ninimaths does not.

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

Ninimaths ships an update every 2 months, and Mental Arithmetic Math every 2 months. Most recently, Ninimaths was updated on November 1, 2026 and Mental Arithmetic Math on November 3, 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.*