# TAMATH vs 鬼の脳トレ

The clearest difference is in-app purchases: 鬼の脳トレ at none against TAMATH's 1. 鬼の脳トレ also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. TAMATH sells 1 one-off in-app purchase. 鬼の脳トレ asks for nothing beyond the download.

## The numbers

| Metric | TAMATH | 鬼の脳トレ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/tamath-one-stroke-math-puzzle/id6468984358/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 91 MB | 77 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [hiroki kawakami](https://appshunter.io/developer/586928741) | [walkertest](https://appshunter.io/developer/1691035075) |

## What reviewers say

### TAMATH

[App page](https://appshunter.io/ios/app/tamath-one-stroke-math-puzzle/id6468984358)

Engage your mind with a unique puzzle game that combines arithmetic with a single-stroke drawing mechanic. Solve addition, subtraction, and multiplication problems by connecting numbers in one continuous line. Challenge yourself through increasing difficulty levels and compete globally.

**Highlights:** One-stroke calculation puzzles, Addition, subtraction, multiplication, Three difficulty levels, Global ranking system, Brain exercise and cognitive improvement

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hide Ad | $1.99 | one-time |


### 鬼の脳トレ

[App page](https://appshunter.io/ios/app/id6475755141)

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

**In-app purchases:** none


## Frequently asked questions

### Is TAMATH free?

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

### Is 鬼の脳トレ free?

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

### Do TAMATH or 鬼の脳トレ have ads?

TAMATH shows ads; 鬼の脳トレ does not.

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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.*