# Ninimaths vs 毎日 脳トレ

The clearest difference is in-app purchases: 毎日 脳トレ at none against Ninimaths's 3. 毎日 脳トレ also leads on update cadence (every 6 days vs every 2 months) and ratings volume (192 vs 45). Ninimaths's advantage is ads (none vs shown) and review sentiment (97% vs 65%). On price, monetization model and device support there is nothing between them.

Both are free to download. Ninimaths sells 3 one-off in-app purchases. 毎日 脳トレ asks for nothing beyond the download.

Ninimaths holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 45 and 192 respectively. Written reviews point the same way: 97% of Ninimaths's written reviews are positive against 65% of 毎日 脳トレ's.

Ninimaths ships an update every 2 months, 毎日 脳トレ every 6 days. Both last shipped on September 25, 2026.

## The numbers

| Metric | Ninimaths | 毎日 脳トレ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (45 ratings)](https://appshunter.io/ios/app/ninimaths/id647989498/reviews)** | [4.6 (192 ratings)](https://appshunter.io/ios/app/15/id1579132658/reviews) |
| Number of ratings | 45 | **192** |
| Positive reviews | **97.4% of reviews** | 65.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 11 MB | 117 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Ninicode](https://appshunter.io/developer/647989501) | [nullhouse Inc.](https://appshunter.io/developer/853672308) |

## 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 |


### 毎日 脳トレ

[App page](https://appshunter.io/ios/app/15/id1579132658)

Engage in daily brain training with a variety of mini-games designed to test and improve cognitive skills. Track your progress with visual aids and earn rewards to stay motivated. Perfect for quick mental workouts during spare moments.

**Highlights:** Daily brain training sessions, Cognitive function diagnosis, Variety of 24 mini-games, Progress tracking and visualization, Reward system for motivation, Daily reminders

**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 毎日 脳トレ free?

毎日 脳トレ is free to download, with no in-app purchases.

### Which has better reviews, Ninimaths or 毎日 脳トレ?

Ninimaths is rated higher. Ninimaths averages 4.9 out of 5 from 45 ratings, while 毎日 脳トレ averages 4.6 from 192 ratings.

### Do Ninimaths or 毎日 脳トレ have ads?

毎日 脳トレ shows ads; Ninimaths does not.

### Which is updated more often, Ninimaths or 毎日 脳トレ?

Ninimaths ships an update every 2 months, and 毎日 脳トレ every 6 days. Most recently, Ninimaths was updated on September 25, 2026 and 毎日 脳トレ on September 25, 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.*