# MERS eTextbook vs 教城教師

The clearest difference is update cadence: 教城教師 at every 3 weeks against MERS eTextbook's every 3 months. 教城教師 also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.6). On price, 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.

MERS eTextbook ships an update every 3 months, 教城教師 every 3 weeks. The most recent releases landed on September 30, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | MERS eTextbook | 教城教師 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 66 MB | 37 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Modern Educational Research Society, LTD](https://appshunter.io/developer/432268704) | [Hong Kong Education City Limited](https://appshunter.io/developer/672104764) |

## What reviewers say

### MERS eTextbook

[App page](https://appshunter.io/ios/app/mers-etextbook/id559730704)

This application allows students to download and access eTextbooks from their school. It provides interactive learning tools, multimedia content, and tracks user progress. Content is personalized based on user login and school affiliation.

**Highlights:** Downloadable eTextbooks, Personalized content by school, Interactive learning tools, Multimedia integration, Learning history tracking, Notifications for new content

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

**In-app purchases:** none


### 教城教師

[App page](https://appshunter.io/ios/app/id1664047385)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MERS eTextbook free?

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

### Is 教城教師 free?

教城教師 is free to download, with no in-app purchases.

### Do MERS eTextbook or 教城教師 have ads?

Neither MERS eTextbook nor 教城教師 shows ads.

### Which is updated more often, MERS eTextbook or 教城教師?

MERS eTextbook ships an update every 3 months, and 教城教師 every 3 weeks. Most recently, MERS eTextbook was updated on September 30, 2026 and 教城教師 on October 2, 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.*