# 校友云 vs 玛薯

The clearest difference is in-app purchases: 校友云 at none against 玛薯's 10. 校友云 also leads on iOS requirement (9.0 vs 15.1). 玛薯's advantage is update cadence (every 2 weeks vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. 玛薯 sells 10 one-off in-app purchases. 校友云 asks for nothing beyond the download.

校友云 ships an update monthly, 玛薯 every 2 weeks. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 校友云 | 玛薯 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/maxu/id6751791887/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 51 MB | 125 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [厦门市四美达科技发展有限公司](https://appshunter.io/developer/985046505) | [玛薯科技](https://appshunter.io/developer/1836842815) |

## What reviewers say

### 校友云

[App page](https://appshunter.io/ios/app/id1282963501)

**In-app purchases:** none


### 玛薯

[App page](https://appshunter.io/ios/app/maxu/id6751791887)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 薯片-56片 | $0.99 | one-time |
| 玛瑙-7颗 | $0.99 | one-time |
| 玛瑙-56颗 | $0.99 | one-time |
| 薯片-280片 | $5.99 | one-time |
| 玛瑙-280颗 | $5.99 | one-time |
| 玛瑙-350颗 | $6.99 | one-time |
| 薯片-896片 | $19.99 | one-time |
| 玛瑙-896颗 | $19.99 | one-time |
| 薯片-3626片 | $69.99 | one-time |
| 玛瑙-3626颗 | $69.99 | one-time |


## Frequently asked questions

### Is 校友云 free?

校友云 is free to download, with no in-app purchases.

### Is 玛薯 free?

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

### Do 校友云 or 玛薯 have ads?

Neither 校友云 nor 玛薯 shows ads.

### Which is updated more often, 校友云 or 玛薯?

校友云 ships an update monthly, and 玛薯 every 2 weeks. Most recently, 校友云 was updated on October 6, 2026 and 玛薯 on October 24, 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.*