# Ninimaths vs 1 Minute Mental Arithmetic

The clearest difference is in-app purchases: 1 Minute Mental Arithmetic at none against Ninimaths's 3. Ninimaths's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Ninimaths sells 3 one-off in-app purchases. 1 Minute Mental Arithmetic asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Ninimaths against 5.0 for 1 Minute Mental Arithmetic. Both are backed by a comparable volume of ratings — 45 and 32 respectively. Written reviews are what separate them: 97% of Ninimaths's written reviews are positive against 100% of 1 Minute Mental Arithmetic's.

Ninimaths ships an update every 2 months, 1 Minute Mental Arithmetic every 6 weeks. The most recent releases landed on October 16, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Ninimaths | 1 Minute Mental Arithmetic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (45 ratings)](https://appshunter.io/ios/app/ninimaths/id647989498/reviews) | **[5.0 (32 ratings)](https://appshunter.io/ios/app/1-minute-mental-arithmetic/id1573246963/reviews)** |
| Number of ratings | **45** | 32 |
| Positive reviews | 97.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 11 MB | 87 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ninicode](https://appshunter.io/developer/647989501) | [Hirokazu Uno](https://appshunter.io/developer/1570016990) |

## What reviewers say

### Ninimaths

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

Enhance your mental arithmetic skills with a variety of calculation modes. Practice addition, subtraction, multiplication, and division with customizable number ranges and column display. Track your progress with daily scores and compete with others through a ranking system.

**Highlights:** Multiple calculation modes (add, subtract, multiply, divide, mix), Customizable number ranges (1-5 digits), Column display format, Daily score recording and graphing, Game Center ranking, Time trial mode

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

**In-app purchases (3)**

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


### 1 Minute Mental Arithmetic

[App page](https://appshunter.io/ios/app/1-minute-mental-arithmetic/id1573246963)

Practice mental arithmetic for one minute daily to sharpen your cognitive skills. This app is also designed to assist children in learning basic calculations and improving their math abilities.

**Highlights:** Daily 1-minute mental arithmetic practice, Brain training exercises, Assists children in learning calculations, Improves cognitive skills, Simple and focused interface

**In-app purchases:** none


## Frequently asked questions

### Is Ninimaths free?

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

### Is 1 Minute Mental Arithmetic free?

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

### Which has better reviews, Ninimaths or 1 Minute Mental Arithmetic?

1 Minute Mental Arithmetic is rated higher. Ninimaths averages 4.9 out of 5 from 45 ratings, while 1 Minute Mental Arithmetic averages 5.0 from 32 ratings.

### Do Ninimaths or 1 Minute Mental Arithmetic have ads?

1 Minute Mental Arithmetic shows ads; Ninimaths does not.

### Which is updated more often, Ninimaths or 1 Minute Mental Arithmetic?

Ninimaths ships an update every 2 months, and 1 Minute Mental Arithmetic every 6 weeks. Most recently, Ninimaths was updated on October 16, 2026 and 1 Minute Mental Arithmetic 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.*