# CoTan vs 高校物理の公式図鑑

The clearest difference is ads: 高校物理の公式図鑑 at none against CoTan's shown. CoTan's advantage is update cadence (every 3 days vs weekly) and iOS requirement (15.1 vs 17.0). On price, 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.

CoTan ships an update every 3 days, 高校物理の公式図鑑 weekly. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CoTan | 高校物理の公式図鑑 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Weekly |
| Size | 28 MB | 12 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ryo Minebayashi](https://appshunter.io/developer/1854415357) | [Tuong Nguyen](https://appshunter.io/developer/6792205222) |

## What reviewers say

### CoTan

[App page](https://appshunter.io/ios/app/cotan/id6755531559)

**Features:** macOS Compatibility

**In-app purchases:** none


### 高校物理の公式図鑑

[App page](https://appshunter.io/ios/app/id6792205220)

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

**In-app purchases:** none


## Frequently asked questions

### Is CoTan free?

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

### Is 高校物理の公式図鑑 free?

高校物理の公式図鑑 is free to download, with no in-app purchases.

### Do CoTan or 高校物理の公式図鑑 have ads?

CoTan shows ads; 高校物理の公式図鑑 does not.

### Which is updated more often, CoTan or 高校物理の公式図鑑?

CoTan ships an update every 3 days, and 高校物理の公式図鑑 weekly. Most recently, CoTan was updated on October 28, 2026 and 高校物理の公式図鑑 on October 31, 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.*