# DSEDJ vs 校信通mSchool

The clearest difference is iOS requirement: 校信通mSchool at 12.0 against DSEDJ's 16.6. 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.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 10, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | DSEDJ | 校信通mSchool |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 42 MB | 29 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [教育及青年發展局 Direcção dos Serviços de Educação e de Desenvolvimento da Juventude](https://appshunter.io/developer/1549442055) | [MACAU TELECOMUNICATIONS COMPANY LIMITED](https://appshunter.io/developer/404138775) |

## What reviewers say

### DSEDJ

[App page](https://appshunter.io/ios/app/dsedj/id1549442053)

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

**In-app purchases:** none


### 校信通mSchool

[App page](https://appshunter.io/ios/app/mschool/id1578610685)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DSEDJ free?

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

### Is 校信通mSchool free?

校信通mSchool is free to download, with no in-app purchases.

### Do DSEDJ or 校信通mSchool have ads?

Neither DSEDJ nor 校信通mSchool shows ads.

### Which is updated more often, DSEDJ or 校信通mSchool?

DSEDJ ships an update every 3 months, and 校信通mSchool every 3 months. Most recently, DSEDJ was updated on October 10, 2026 and 校信通mSchool on October 20, 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.*