# 三五小星 vs 蜗牛阅读

The clearest difference is in-app purchases: 蜗牛阅读 at none against 三五小星's 12. 蜗牛阅读 also leads on update cadence (every 2 weeks vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 三五小星 sells 12 in-app purchases, starting at $6.99 per month. 蜗牛阅读 asks for nothing beyond the download.

三五小星 ships an update monthly, 蜗牛阅读 every 2 weeks. The most recent releases landed on September 21, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | 三五小星 | 蜗牛阅读 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 75 MB | 375 MB |
| Requires iOS | **13.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [上海叁五科技有限公司](https://appshunter.io/developer/1728847934) | [Chengdu Blue Tower Education Technology Co., Ltd.](https://appshunter.io/developer/1531618075) |

## What reviewers say

### 三五小星

[App page](https://appshunter.io/ios/app/id6477292792)

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 地理八分钟+中国史+文明之路的包月服务 | $6.99 | per month |
| 地理八分钟+中国史+文明之路包季服务 | $19.99 | per 3 months |
| 地理八分钟+中国大纲史+文明之路+世界历史八分钟+专识课 | $29.99 | per 3 months |
| 地理八分钟包年 | $39.99 | per year |
| 世界历史8分钟包年 | $39.99 | per year |
| 地理8分钟+世界历史8分钟包年 | $79.99 | per year |
| 地理八分钟+中国史+文明之路包年服务 | $79.99 | per year |
| 地理八分钟+中国大纲史+文明之路+世界历史八分钟+专识课包年 | $99.99 | per year |
| 物理八分钟永久卡 | $69.99 | one-time |
| 世界历史八分钟永久卡 | $99.99 | one-time |
| 地理八分钟永久卡 | $99.99 | one-time |
| 地理8+世界历史8 永久卡 | $229.99 | one-time |


### 蜗牛阅读

[App page](https://appshunter.io/ios/app/id6740255643)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 三五小星 free?

三五小星 is free to download, with in-app purchases available.

### Is 蜗牛阅读 free?

蜗牛阅读 is free to download, with no in-app purchases.

### Do 三五小星 or 蜗牛阅读 have ads?

Neither 三五小星 nor 蜗牛阅读 shows ads.

### Which is updated more often, 三五小星 or 蜗牛阅读?

三五小星 ships an update monthly, and 蜗牛阅读 every 2 weeks. Most recently, 三五小星 was updated on September 21, 2026 and 蜗牛阅读 on September 18, 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.*