# 张博士医考掌上课堂 vs 28网校

张博士医考掌上课堂 and 28网校 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. 张博士医考掌上课堂 sells 6 one-off in-app purchases and 28网校 sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

张博士医考掌上课堂 ships an update fortnightly, 28网校 every 3 weeks. The most recent releases landed on September 24, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | 张博士医考掌上课堂 | 28网校 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 213 MB | 96 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Beijing Haoran Yuanda Education Technology Co., Ltd.](https://appshunter.io/developer/957289666) | [洛阳学海文化传播有限公司](https://appshunter.io/developer/1655848180) |

## What reviewers say

### 张博士医考掌上课堂

[App page](https://appshunter.io/ios/app/id1169845871)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7金币 | $0.99 | one-time |
| 70金币 | $14.99 | one-time |
| 210金币 | $39.99 | one-time |
| 280金币 | $59.99 | one-time |
| 350金币 | $69.99 | one-time |
| 700金币 | $149.99 | one-time |


### 28网校

[App page](https://appshunter.io/ios/app/28/id6444905089)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6学习币 | $0.99 | one-time |
| 25学习币 | $3.99 | one-time |
| 128学习币 | $19.99 | one-time |
| 588学习币 | $89.99 | one-time |
| 1998学习币 | $299.99 | one-time |


## Frequently asked questions

### Is 张博士医考掌上课堂 free?

张博士医考掌上课堂 is free to download, with in-app purchases available.

### Is 28网校 free?

28网校 is free to download, with in-app purchases available.

### Do 张博士医考掌上课堂 or 28网校 have ads?

Neither 张博士医考掌上课堂 nor 28网校 shows ads.

### Which is updated more often, 张博士医考掌上课堂 or 28网校?

张博士医考掌上课堂 ships an update fortnightly, and 28网校 every 3 weeks. Most recently, 张博士医考掌上课堂 was updated on September 24, 2026 and 28网校 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.*