# 小行星 vs 妙懂化学

The clearest difference is review sentiment: 妙懂化学 at 100% against 小行星's 61%. 妙懂化学 also leads on update cadence (every 6 days vs every 2 weeks). 小行星's advantage is in-app purchases (none vs 3). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. 妙懂化学 sells 3 one-off in-app purchases. 小行星 asks for nothing beyond the download.

小行星 ships an update every 2 weeks, 妙懂化学 every 6 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | 小行星 | 妙懂化学 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ar/id6803856365/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 61.1% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 95 MB | 491 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BOOKR Reading](https://appshunter.io/developer/1763993123) | [四川寰视乾坤科技有限公司](https://appshunter.io/developer/1168959978) |

## What reviewers say

### 小行星

[App page](https://appshunter.io/ios/app/id6755675052)

This app offers daily graded English reading materials for students, categorized by Lexile levels. It includes articles written by experts, read by professional voice actors, and covers topics relevant to major English proficiency tests. Features like vocabulary learning and speaking practice aim to comprehensively improve language skills.

**Highlights:** Daily updated reading content, Lexile level grading (L1-L5), Expert-written articles, Professional audio narration, Vocabulary learning, Post-reading exercises, Speaking practice

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

**In-app purchases:** none


### 妙懂化学

[App page](https://appshunter.io/ios/app/ar/id6803856365)

This educational app uses AR, interactive maps, and 3D models to make learning chemistry engaging for elementary and middle school students. It features virtual experiments, a comprehensive element encyclopedia, and gamified learning modules.

**Highlights:** AR-enhanced chemical reactions, Interactive element and knowledge maps, Virtual chemistry experiments, 3D molecular models, Gamified learning modules, Comprehensive element encyclopedia, Equation database

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6个月会员 | $24.99 | one-time |
| 12个月会员 | $39.99 | one-time |
| 永久会员 | $69.99 | one-time |


## Frequently asked questions

### Is 小行星 free?

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

### Is 妙懂化学 free?

妙懂化学 is free to download, with in-app purchases available.

### Do 小行星 or 妙懂化学 have ads?

Neither 小行星 nor 妙懂化学 shows ads.

### Which is updated more often, 小行星 or 妙懂化学?

小行星 ships an update every 2 weeks, and 妙懂化学 every 6 days. Most recently, 小行星 was updated on October 25, 2026 and 妙懂化学 on October 25, 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.*