# Sunaba vs 中学・高校数学公式手帳

The clearest difference is in-app purchases: Sunaba at none against 中学・高校数学公式手帳's 1. Sunaba also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.0). 中学・高校数学公式手帳's advantage is update cadence (every 8 months vs every 72 months). On price 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. Sunaba asks for nothing beyond the download.

Sunaba ships an update every 72 months, 中学・高校数学公式手帳 every 8 months. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Sunaba | 中学・高校数学公式手帳 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 72 months | **Every 8 months** |
| Size | 10 MB | 29 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SimpleBoxes](https://appshunter.io/developer/396628977) | [YUKI WATANABE](https://appshunter.io/developer/1724288537) |

## What reviewers say

### Sunaba

[App page](https://appshunter.io/ios/app/sunaba/id896086001)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Sunaba free?

Sunaba is free to download, with no in-app purchases.

### 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.

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

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

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

Sunaba ships an update every 72 months, and 中学・高校数学公式手帳 every 8 months. Most recently, Sunaba was updated on October 6, 2026 and 中学・高校数学公式手帳 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.*