# 廿一世紀 現代數學(修訂版) 教師資源 vs eClass Student IPX

The clearest difference is iOS requirement: 廿一世紀 現代數學(修訂版) 教師資源 at 7.0 against eClass Student IPX's 15.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | 廿一世紀 現代數學(修訂版) 教師資源 | eClass Student IPX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 4 weeks |
| Size | 201 MB | 75 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Modern Educational Research Society, LTD](https://appshunter.io/developer/432268704) | [eClass Limited](https://appshunter.io/developer/1683448274) |

## What reviewers say

### 廿一世紀 現代數學(修訂版) 教師資源

[App page](https://appshunter.io/ios/app/id1034159950)

**Features:** macOS Compatibility

**In-app purchases:** none


### eClass Student IPX

[App page](https://appshunter.io/ios/app/eclass-student-ipx/id6450973488)

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

**In-app purchases:** none


## Frequently asked questions

### Is 廿一世紀 現代數學(修訂版) 教師資源 free?

廿一世紀 現代數學(修訂版) 教師資源 is free to download, with no in-app purchases.

### Is eClass Student IPX free?

eClass Student IPX is free to download, with no in-app purchases.

### Do 廿一世紀 現代數學(修訂版) 教師資源 or eClass Student IPX have ads?

Neither 廿一世紀 現代數學(修訂版) 教師資源 nor eClass Student IPX shows ads.

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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.*