# 校友云 vs 雷达矩阵

The clearest difference is iOS requirement: 校友云 at 9.0 against 雷达矩阵's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

校友云 ships an update monthly, 雷达矩阵 fortnightly. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 校友云 | 雷达矩阵 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6444250178/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Size | 51 MB | 43 MB |
| Requires iOS | **9.0** | 12.0 |
| 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) | [Docking Technology Co., Ltd.](https://appshunter.io/developer/1533396511) |

## What reviewers say

### 校友云

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

**In-app purchases:** none


### 雷达矩阵

[App page](https://appshunter.io/ios/app/id6444250178)

**In-app purchases:** none


## Frequently asked questions

### Is 校友云 free?

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

### Is 雷达矩阵 free?

雷达矩阵 is free to download, with no in-app purchases.

### Do 校友云 or 雷达矩阵 have ads?

Neither 校友云 nor 雷达矩阵 shows ads.

### Which is updated more often, 校友云 or 雷达矩阵?

校友云 ships an update monthly, and 雷达矩阵 fortnightly. Most recently, 校友云 was updated on October 6, 2026 and 雷达矩阵 on October 7, 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.*