# Sunaba vs 高校数学｜

The clearest difference is update cadence: 高校数学｜ at every 3 days against Sunaba's every 72 months. Sunaba's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 18.2). On price, ads and in-app purchases there is nothing between them.

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

Sunaba ships an update every 72 months, 高校数学｜ every 3 days. The most recent releases landed on September 19, 2026 and August 13, 2026 respectively.

## The numbers

| Metric | Sunaba | 高校数学｜ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 72 months | **Every 3 days** |
| Size | 10 MB | 21 MB |
| Requires iOS | **13.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SimpleBoxes](https://appshunter.io/developer/396628977) | [taihei yamazaki](https://appshunter.io/developer/1789299090) |

## What reviewers say

### Sunaba

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

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

**In-app purchases:** none


### 高校数学｜

[App page](https://appshunter.io/ios/app/id6751748751)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sunaba free?

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

### Is 高校数学｜ free?

高校数学｜ is free to download, with no in-app purchases.

### Do Sunaba or 高校数学｜ have ads?

Neither Sunaba nor 高校数学｜ shows ads.

### Which is updated more often, Sunaba or 高校数学｜?

Sunaba ships an update every 72 months, and 高校数学｜ every 3 days. Most recently, Sunaba was updated on September 19, 2026 and 高校数学｜ on August 13, 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.*