# Ninimaths vs 高校数学

The clearest difference is review sentiment: Ninimaths at 97% against 高校数学's 52%. Ninimaths also leads on iOS requirement (13.0 vs 15.6). 高校数学's advantage is in-app purchases (none vs 3) and update cadence (every 11 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Ninimaths sells 3 one-off in-app purchases. 高校数学 asks for nothing beyond the download.

Ninimaths ships an update every 2 months, 高校数学 every 11 days. The most recent releases landed on September 25, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | Ninimaths | 高校数学 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (45 ratings)](https://appshunter.io/ios/app/ninimaths/id647989498/reviews)** | — |
| Number of ratings | **45** | — |
| Positive reviews | **97.4% of reviews** | 52.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 45 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ninicode](https://appshunter.io/developer/647989501) | [郷 田村](https://appshunter.io/developer/1574588679) |

## 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 |


### 高校数学

[App page](https://appshunter.io/ios/app/id6450528035)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ninimaths free?

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

### Is 高校数学 free?

高校数学 is free to download, with no in-app purchases.

### Do Ninimaths or 高校数学 have ads?

Neither Ninimaths nor 高校数学 shows ads.

### Which is updated more often, Ninimaths or 高校数学?

Ninimaths ships an update every 2 months, and 高校数学 every 11 days. Most recently, Ninimaths was updated on September 25, 2026 and 高校数学 on September 4, 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.*