# 大夏书系 vs 瓜子星球

The clearest difference is in-app purchases: 瓜子星球 at none against 大夏书系's 7. 瓜子星球 also leads on update cadence (every 10 days vs monthly) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. 大夏书系 sells 7 one-off in-app purchases. 瓜子星球 asks for nothing beyond the download.

大夏书系 ships an update monthly, 瓜子星球 every 10 days. The most recent releases landed on September 21, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | 大夏书系 | 瓜子星球 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Size | 193 MB | 34 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ECNU Press](https://appshunter.io/developer/496874216) | [Beijing Dingtian Culture and Entertainment Co., Ltd](https://appshunter.io/developer/1707998657) |

## What reviewers say

### 大夏书系

[App page](https://appshunter.io/ios/app/id6460689596)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 12教育币 | $1.99 | one-time |
| 月卡 | $2.99 | one-time |
| 30教育币 | $3.99 | one-time |
| 季卡 | $6.99 | one-time |
| 50教育币 | $6.99 | one-time |
| 年卡 | $14.99 | one-time |
| 98教育币 | $14.99 | one-time |


### 瓜子星球

[App page](https://appshunter.io/ios/app/id6504748762)

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

**In-app purchases:** none


## Frequently asked questions

### Is 大夏书系 free?

大夏书系 is free to download, with in-app purchases available.

### Is 瓜子星球 free?

瓜子星球 is free to download, with no in-app purchases.

### Do 大夏书系 or 瓜子星球 have ads?

Neither 大夏书系 nor 瓜子星球 shows ads.

### Which is updated more often, 大夏书系 or 瓜子星球?

大夏书系 ships an update monthly, and 瓜子星球 every 10 days. Most recently, 大夏书系 was updated on September 21, 2026 and 瓜子星球 on September 17, 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.*