# 埃孚欧 vs 高中化学宝典

The clearest difference is in-app purchases: 埃孚欧 at none against 高中化学宝典's 1. 埃孚欧 also leads on iOS requirement (11.0 vs 16.6). 高中化学宝典's advantage is device support. On price there is nothing between them.

Both are free to download. 高中化学宝典 sells 1 one-off in-app purchase. 埃孚欧 asks for nothing beyond the download.

## The numbers

| Metric | 埃孚欧 | 高中化学宝典 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 9 days |
| Size | 27 MB | 13 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | — | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [上海易知信息科技股份有限公司](https://appshunter.io/developer/1439442031) | [辉强 苘](https://appshunter.io/developer/1701908490) |

## What reviewers say

### 埃孚欧

[App page](https://appshunter.io/ios/app/id6476842074)

**In-app purchases:** none


### 高中化学宝典

[App page](https://appshunter.io/ios/app/id6760220905)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $0.99 | one-time |


## Frequently asked questions

### Is 埃孚欧 free?

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

### Is 高中化学宝典 free?

高中化学宝典 is free to download, with in-app purchases available.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*