# フラッシュ計算 vs EIKEN Grade 2 Level Study App

The clearest difference is in-app purchases: フラッシュ計算 at none against EIKEN Grade 2 Level Study App's 3. フラッシュ計算 also leads on iOS requirement (11.0 vs 13.0). EIKEN Grade 2 Level Study App's advantage is update cadence (every 6 weeks vs every 14 months). On price, ads and device support there is nothing between them.

Both are free to download. EIKEN Grade 2 Level Study App sells 3 in-app purchases, starting at $1.99 per month. フラッシュ計算 asks for nothing beyond the download.

フラッシュ計算 ships an update every 14 months, EIKEN Grade 2 Level Study App every 6 weeks. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | フラッシュ計算 | EIKEN Grade 2 Level Study App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 14 months | **Every 6 weeks** |
| Size | 52 MB | 69 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [hideaki fukumura](https://appshunter.io/developer/1629984757) | [HIROKIGAMEKAIHATULAB](https://appshunter.io/developer/1508330278) |

## What reviewers say

### フラッシュ計算

[App page](https://appshunter.io/ios/app/id1637786591)

**Features:** macOS Compatibility

**In-app purchases:** none


### EIKEN Grade 2 Level Study App

[App page](https://appshunter.io/ios/app/eiken-grade-2-level-study-app/id6752921034)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access Plan | $1.99 | per month |
| Remove Ads | $1.99 | one-time |
| Premium Pack | $3.99 | one-time |


## Frequently asked questions

### Is フラッシュ計算 free?

フラッシュ計算 is free to download, with no in-app purchases.

### Is EIKEN Grade 2 Level Study App free?

EIKEN Grade 2 Level Study App is free to download, with in-app purchases available.

### Do フラッシュ計算 or EIKEN Grade 2 Level Study App have ads?

Both フラッシュ計算 and EIKEN Grade 2 Level Study App show ads.

### Which is updated more often, フラッシュ計算 or EIKEN Grade 2 Level Study App?

フラッシュ計算 ships an update every 14 months, and EIKEN Grade 2 Level Study App every 6 weeks. Most recently, フラッシュ計算 was updated on October 27, 2026 and EIKEN Grade 2 Level Study App on October 28, 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.*