# 中学・高校数学公式手帳 vs Electro Math

The clearest difference is ads: Electro Math at none against 中学・高校数学公式手帳's shown. Electro Math also leads on update cadence (daily vs every 8 months) and iOS requirement (13.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 中学・高校数学公式手帳 sells 1 one-off in-app purchase and Electro Math sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

中学・高校数学公式手帳 ships an update every 8 months, Electro Math daily. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 中学・高校数学公式手帳 | Electro Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Daily** |
| Size | 29 MB | 44 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YUKI WATANABE](https://appshunter.io/developer/1724288537) | [ASUKA MINAMOTO](https://appshunter.io/developer/1855336606) |

## What reviewers say

### 中学・高校数学公式手帳

[App page](https://appshunter.io/ios/app/id6741158181)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $1.99 | one-time |


### Electro Math

[App page](https://appshunter.io/ios/app/electro-math/id6755659770)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| サブスクリプション（定期購読） | $2.99 | per month |


## Frequently asked questions

### Is 中学・高校数学公式手帳 free?

中学・高校数学公式手帳 is free to download, with in-app purchases available.

### Is Electro Math free?

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

### Do 中学・高校数学公式手帳 or Electro Math have ads?

中学・高校数学公式手帳 shows ads; Electro Math does not.

### Which is updated more often, 中学・高校数学公式手帳 or Electro Math?

中学・高校数学公式手帳 ships an update every 8 months, and Electro Math daily. Most recently, 中学・高校数学公式手帳 was updated on October 7, 2026 and Electro Math on October 4, 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.*