# 脳トレ HAMARU 暇つぶしパズルでひまつぶしゲーム学習 vs フラッシュ暗算DX

The clearest difference is review sentiment: 脳トレ HAMARU 暇つぶしパズルでひまつぶしゲーム学習 at 86% against フラッシュ暗算DX's 30%. 脳トレ HAMARU 暇つぶしパズルでひまつぶしゲーム学習 also leads on rating (4.8 vs 3.0) and ratings volume (27 vs 2). フラッシュ暗算DX's advantage is ads (none vs shown) and iOS requirement (7.0 vs 13.0). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. 脳トレ HAMARU 暇つぶしパズルでひまつぶしゲーム学習 sells 5 one-off in-app purchases and フラッシュ暗算DX sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

脳トレ HAMARU 暇つぶしパズルでひまつぶしゲーム学習 holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: 脳トレ HAMARU 暇つぶしパズルでひまつぶしゲーム学習 has 27 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 86% of 脳トレ HAMARU 暇つぶしパズルでひまつぶしゲーム学習's written reviews are positive against 30% of フラッシュ暗算DX's.

脳トレ HAMARU 暇つぶしパズルでひまつぶしゲーム学習 ships an update monthly, フラッシュ暗算DX every 3 weeks. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 脳トレ HAMARU 暇つぶしパズルでひまつぶしゲーム学習 | フラッシュ暗算DX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (27 ratings)](https://appshunter.io/ios/app/hamaru/id936560269/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/dx/id1058775775/reviews) |
| Number of ratings | **27** | 2 |
| Positive reviews | **85.7% of reviews** | 30.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 61 MB | 39 MB |
| Requires iOS | 13.0 | **7.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HAMARU LLC](https://appshunter.io/developer/936560268) | [Satoshi Negishi](https://appshunter.io/developer/704574251) |

## What reviewers say

### 脳トレ HAMARU 暇つぶしパズルでひまつぶしゲーム学習

[App page](https://appshunter.io/ios/app/hamaru/id936560269)

Engaging puzzle games designed to enhance cognitive skills like calculation, reflexes, and concentration. Enjoy beautiful visual effects while improving your brain performance and preventing cognitive decline. Suitable for all ages looking for a fun way to learn and stay sharp.

**Highlights:** Brain training games, Calculation drills, Reflex and concentration improvement, Dementia prevention, Beautiful visual effects, Suitable for all ages

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |
| 高難易度挑戦チケット | $2.99 | one-time |
| エンドレスモード無制限チケット | $2.99 | one-time |
| Lives Container +1 | $4.99 | one-time |
| All in pack | $6.99 | one-time |


### フラッシュ暗算DX

[App page](https://appshunter.io/ios/app/dx/id1058775775)

This app offers a comprehensive flash calculation experience with three distinct modes catering to all skill levels. It features multi-user support, customizable practice settings, and competitive modes with national rankings. Personalize your experience with various configuration options.

**Highlights:** Multi-user support (up to 10), Customizable practice mode, Graded certification mode (10th kyu to 10th dan), Competitive survival mode, National rankings, Configurable display and input settings

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告解除 | $1.99 | one-time |


## Frequently asked questions

### Is 脳トレ HAMARU 暇つぶしパズルでひまつぶしゲーム学習 free?

脳トレ HAMARU 暇つぶしパズルでひまつぶしゲーム学習 is free to download, with in-app purchases available.

### Is フラッシュ暗算DX free?

フラッシュ暗算DX is free to download, with in-app purchases available.

### Which has better reviews, 脳トレ HAMARU 暇つぶしパズルでひまつぶしゲーム学習 or フラッシュ暗算DX?

脳トレ HAMARU 暇つぶしパズルでひまつぶしゲーム学習 is rated higher. 脳トレ HAMARU 暇つぶしパズルでひまつぶしゲーム学習 averages 4.8 out of 5 from 27 ratings, while フラッシュ暗算DX averages 3.0 from 2 ratings.

### Do 脳トレ HAMARU 暇つぶしパズルでひまつぶしゲーム学習 or フラッシュ暗算DX have ads?

脳トレ HAMARU 暇つぶしパズルでひまつぶしゲーム学習 shows ads; フラッシュ暗算DX does not.

### Which is updated more often, 脳トレ HAMARU 暇つぶしパズルでひまつぶしゲーム学習 or フラッシュ暗算DX?

脳トレ HAMARU 暇つぶしパズルでひまつぶしゲーム学習 ships an update monthly, and フラッシュ暗算DX every 3 weeks. Most recently, 脳トレ HAMARU 暇つぶしパズルでひまつぶしゲーム学習 was updated on October 15, 2026 and フラッシュ暗算DX on October 7, 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.*