# 脳トレ 数字記憶 vs SpeedMath Trainer

The clearest difference is in-app purchases: 脳トレ 数字記憶 at none against SpeedMath Trainer's 1. 脳トレ 数字記憶 also leads on ads (none vs shown) and iOS requirement (10.0 vs 16.6). On price, review sentiment and device support there is nothing between them.

Both are free to download. SpeedMath Trainer sells 1 one-off in-app purchase. 脳トレ 数字記憶 asks for nothing beyond the download.

## The numbers

| Metric | 脳トレ 数字記憶 | SpeedMath Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Weekly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 20 MB | 66 MB |
| Requires iOS | **10.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chutatsu Yamamoto](https://appshunter.io/developer/1405862583) | [Fumihiro Kawasaki](https://appshunter.io/developer/1246668885) |

## What reviewers say

### 脳トレ 数字記憶

[App page](https://appshunter.io/ios/app/id1434997758)

Test your memory with this number recall game. Memorize displayed digits and input them correctly to advance through stages. It's a simple yet effective way to sharpen your cognitive skills.

**Highlights:** Number memorization training, Stage-based progression, Automatic input judgment, Cognitive skill enhancement, Simple gameplay

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

**In-app purchases:** none


### SpeedMath Trainer

[App page](https://appshunter.io/ios/app/speedmath-trainer/id6741766444)

Engage in rapid, rhythm-based mental math exercises to boost focus, reaction time, and arithmetic skills. This app offers timed challenges with instant feedback and detailed performance tracking in a visually appealing interface.

**Highlights:** Short, timed mental math challenges, Rhythm-based problem solving, Performance tracking dashboards, Detailed results with breakdowns, Achievement sharing and friend challenges, Premium mode for full access and ad removal

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SpeedMath Premium | $0.99 | one-time |


## Frequently asked questions

### Is 脳トレ 数字記憶 free?

脳トレ 数字記憶 is free to download, with no in-app purchases.

### Is SpeedMath Trainer free?

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

### Do 脳トレ 数字記憶 or SpeedMath Trainer have ads?

SpeedMath Trainer shows ads; 脳トレ 数字記憶 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.*