# Math Grid Calculation Training vs 指数・対数フラッシュ暗算

The clearest difference is update cadence: 指数・対数フラッシュ暗算 at weekly against Math Grid Calculation Training's every 2 months. Math Grid Calculation Training's advantage is iOS requirement (15.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Math Grid Calculation Training ships an update every 2 months, 指数・対数フラッシュ暗算 weekly. The most recent releases landed on September 12, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Math Grid Calculation Training | 指数・対数フラッシュ暗算 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Size | 95 MB | 4 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Masaki Kanno](https://appshunter.io/developer/843112443) | [masahiko akita](https://appshunter.io/developer/1891674153) |

## What reviewers say

### Math Grid Calculation Training

[App page](https://appshunter.io/ios/app/math-grid-calculation-training/id6769310340)

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

**In-app purchases:** none


### 指数・対数フラッシュ暗算

[App page](https://appshunter.io/ios/app/id6770951661)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Math Grid Calculation Training free?

Math Grid Calculation Training is free to download, with no in-app purchases.

### Is 指数・対数フラッシュ暗算 free?

指数・対数フラッシュ暗算 is free to download, with no in-app purchases.

### Do Math Grid Calculation Training or 指数・対数フラッシュ暗算 have ads?

Both Math Grid Calculation Training and 指数・対数フラッシュ暗算 show ads.

### Which is updated more often, Math Grid Calculation Training or 指数・対数フラッシュ暗算?

Math Grid Calculation Training ships an update every 2 months, and 指数・対数フラッシュ暗算 weekly. Most recently, Math Grid Calculation Training was updated on September 12, 2026 and 指数・対数フラッシュ暗算 on September 19, 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.*