# 火花学院 vs 口袋化学

The clearest difference is update cadence: 口袋化学 at every 2 weeks against 火花学院's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 火花学院 sells 10 one-off in-app purchases and 口袋化学 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

火花学院 ships an update every 3 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 | 火花学院 | 口袋化学 |
| --- | --- | --- |
| Price | Free | Free |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 90 MB | 60 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [安徽习悦教育科技有限公司](https://appshunter.io/developer/1353300956) | [宇 刘](https://appshunter.io/developer/1551581698) |

## What reviewers say

### 火花学院

[App page](https://appshunter.io/ios/app/id1453827560)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解析几何订阅 | $3.99 | one-time |
| 化学反应原理订阅 | $3.99 | one-time |
| 声光热能订阅 | $3.99 | one-time |
| 人体订阅 | $3.99 | one-time |
| 遗传与进化订阅 | $3.99 | one-time |
| 原子物理订阅 | $3.99 | one-time |
| 自然地理基础订阅 | $3.99 | one-time |
| 火花微课月度会员 | $3.99 | one-time |
| 火花微课季度会员 | $11.99 | one-time |
| 火花微课年度会员 | $39.99 | one-time |


### 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 火花学院 free?

火花学院 is free to download, with in-app purchases available.

### Is 口袋化学 free?

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

### Do 火花学院 or 口袋化学 have ads?

Neither 火花学院 nor 口袋化学 shows ads.

### Which is updated more often, 火花学院 or 口袋化学?

火花学院 ships an update every 3 months, and 口袋化学 every 2 weeks. Most recently, 火花学院 was updated on November 2, 2026 and 口袋化学 on November 8, 2026.

---

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