# 口袋化学 vs 初中化学公式闯关

The clearest difference is price: 口袋化学 at Free against 初中化学公式闯关's $0.99. 口袋化学 also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.0). 初中化学公式闯关's advantage is in-app purchases (none vs 1). On ads there is nothing between them.

口袋化学 is free to download; 初中化学公式闯关 costs $0.99 up front. 口袋化学 sells 1 one-off in-app purchase. 初中化学公式闯关 asks for nothing beyond the download.

## The numbers

| Metric | 口袋化学 | 初中化学公式闯关 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/and/id6504169379/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 92.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 60 MB | 4 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [宇 刘](https://appshunter.io/developer/1551581698) | [宝珍 杜](https://appshunter.io/developer/1825073574) |

## What reviewers say

### 口袋化学

[App page](https://appshunter.io/ios/app/and/id6504169379)

This app is a comprehensive chemistry learning and reference tool. It offers a detailed periodic table, a vast database of inorganic and organic substances, and a searchable collection of over 1300 chemical reaction equations. It also includes resources for common gas preparation, metal activity, solubility, formulas, and molar mass calculation.

**Highlights:** Detailed periodic table with element details, Database of over 400 inorganic and organic substances, Searchable library of 1300+ chemical reaction equations, Categorized reaction types, Common gas preparation methods, Metal activity series, Solubility tables, Molar mass calculator

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 永久会员 | $2.99 | one-time |


### 初中化学公式闯关

[App page](https://appshunter.io/ios/app/id6788953178)

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

**In-app purchases:** none


## Frequently asked questions

### Is 口袋化学 free?

口袋化学 is free to download, with in-app purchases available.

### Is 初中化学公式闯关 free?

初中化学公式闯关 costs $0.99, with no in-app purchases.

### Do 口袋化学 or 初中化学公式闯关 have ads?

Neither 口袋化学 nor 初中化学公式闯关 shows ads.

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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.*