# MERS eTextbook vs 腦珠算(除法) 題目練習

The clearest difference is price: MERS eTextbook at Free against 腦珠算(除法) 題目練習's $4.99. MERS eTextbook also leads on update cadence (every 3 months vs every 32 months). 腦珠算(除法) 題目練習's advantage is device support (3 vs 1) and iOS requirement (8.0 vs 18.6). On ads and in-app purchases there is nothing between them.

MERS eTextbook is free to download; 腦珠算(除法) 題目練習 costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MERS eTextbook ships an update every 3 months, 腦珠算(除法) 題目練習 every 32 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | MERS eTextbook | 腦珠算(除法) 題目練習 |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 32 months |
| Monetization | Free | — |
| Size | 66 MB | 9 MB |
| Requires iOS | 18.6 | **8.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Modern Educational Research Society, LTD](https://appshunter.io/developer/432268704) | [Hamster Force Multimedia Ltd.](https://appshunter.io/developer/443416476) |

## 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


### 腦珠算(除法) 題目練習

[App page](https://appshunter.io/ios/app/id1424156746)

**Features:** macOS Compatibility, 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 腦珠算(除法) 題目練習 free?

腦珠算(除法) 題目練習 costs $4.99, with no in-app purchases.

### Do MERS eTextbook or 腦珠算(除法) 題目練習 have ads?

Neither MERS eTextbook nor 腦珠算(除法) 題目練習 shows ads.

### Which is updated more often, MERS eTextbook or 腦珠算(除法) 題目練習?

MERS eTextbook ships an update every 3 months, and 腦珠算(除法) 題目練習 every 32 months. Most recently, MERS eTextbook was updated on November 6, 2026 and 腦珠算(除法) 題目練習 on November 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.*