# Ninimaths

> Mental arithmetic exercises

Canonical page: [https://chrome-stats.com/d/id647989498](https://chrome-stats.com/d/id647989498)

## Overview

- **ID:** `id647989498`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Ninicode
- **Category:** Education
- **Rating:** 4.90 / 5 (45 ratings)
- **Version:** 4.5.8
- **Last updated:** 2025-09-12
- **First published:** 2013-05-21
- **Size:** 11 MB
- **Data as of:** 2026-09-06
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/ninimaths/id647989498)
- **Website:** [https://ninicode.com](https://ninicode.com/)
- **Privacy policy:** [https://api.ninicode.com/app/privacy/ninimaths](https://api.ninicode.com/app/privacy/ninimaths)

## Description

Ninimaths is an application to train mental arithmetic ability.

Characteristic:
- Selection from 5 modes of calculation, addition, subtraction, multiplication, division, mixing
- 1 to 5 digit numbers can be freely combined
- Corresponds to display in the column format
- Daily scores are recorded for each mode and displayed on the graph
- Ranking function by Game Center
- Time trial to measure strictly

## Rankings

- #177,932 — Overall

## Review summary

Overall, reviewers praise Ninimaths for its clean, minimalist design and straightforward interface, and for effectively boosting mental arithmetic skills (multiplication, division, speed). Users highlight the app’s useful progress tracking, including averages and comparisons with others, as a key motivation. The app is lauded as ad-free, free to use, and not pushy, offering flexible, self-paced practice. Several users note its quality and claim it’s among the best free mental math tools available. A common improvement suggestion is to include more targeted training on specific weaknesses, but this is not a widespread criticism.

### Pros

- Clean, minimalist design with an uncluttered, easy-to-use interface.
- Effective mental arithmetic training that improves speed and accuracy (multiplication/division).
- Good progress tracking, including averages and comparisons with others, for motivation.
- Ad-free, free-to-use and non-pushy, with self-paced practice.
- Flexible, forgiving practice that lets you train at your own pace.

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Source: [Chrome-Stats](https://chrome-stats.com/d/id647989498)