# 交我学 vs 大夏书系

交我学 and 大夏书系 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. 交我学 sells 4 one-off in-app purchases and 大夏书系 sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

交我学 ships an update every 2 months, 大夏书系 monthly. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | 交我学 | 大夏书系 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 134 MB | 193 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [上海交通大学出版社有限公司](https://appshunter.io/developer/667356292) | [ECNU Press](https://appshunter.io/developer/496874216) |

## What reviewers say

### 交我学

[App page](https://appshunter.io/ios/app/id1626047237)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6阅读币 | $0.99 | one-time |
| 12阅读币 | $1.99 | one-time |
| 30阅读币 | $3.99 | one-time |
| 98阅读币 | $14.99 | one-time |


### 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 |


## Frequently asked questions

### Is 交我学 free?

交我学 is free to download, with in-app purchases available.

### Is 大夏书系 free?

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

### Do 交我学 or 大夏书系 have ads?

Neither 交我学 nor 大夏书系 shows ads.

### Which is updated more often, 交我学 or 大夏书系?

交我学 ships an update every 2 months, and 大夏书系 monthly. Most recently, 交我学 was updated on September 22, 2026 and 大夏书系 on September 21, 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.*