# 高中生物 vs 口袋化学

The clearest difference is in-app purchases: 高中生物 at none against 口袋化学's 1. 高中生物 also leads on ratings volume (4 vs 1). 口袋化学's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 4 months). On price, rating, review sentiment and device support there is nothing between them.

Both are free to download. 口袋化学 sells 1 one-off in-app purchase. 高中生物 asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for 高中生物 against 5.0 for 口袋化学. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews are what separate them: 100% of 高中生物's written reviews are positive against 93% of 口袋化学's.

高中生物 ships an update every 4 months, 口袋化学 every 2 weeks. The most recent releases landed on November 2, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | 高中生物 | 口袋化学 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/id1111437664/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/and/id6504169379/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | **100.0% of reviews** | 92.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 15 MB | 60 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [伟 李](https://appshunter.io/developer/1111239440) | [宇 刘](https://appshunter.io/developer/1551581698) |

## What reviewers say

### 高中生物

[App page](https://appshunter.io/ios/app/id1111437664)

Access a comprehensive collection of high school biology video lessons covering all grades and chapters. Enhance your learning with knowledge summaries, practice questions, and daily study tips. Ideal for students and teachers preparing for exams.

**Highlights:** High school biology video lessons, Covers all grades and chapters, Knowledge point summaries, Practice questions, Daily study tracking, Latest study techniques

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is 高中生物 free?

高中生物 is free to download, with no in-app purchases.

### Is 口袋化学 free?

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

### Which has better reviews, 高中生物 or 口袋化学?

高中生物 and 口袋化学 are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do 高中生物 or 口袋化学 have ads?

高中生物 shows ads; 口袋化学 does not.

### Which is updated more often, 高中生物 or 口袋化学?

高中生物 ships an update every 4 months, and 口袋化学 every 2 weeks. Most recently, 高中生物 was updated on November 2, 2026 and 口袋化学 on November 8, 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.*