# MERS eTextbook vs Parent MDM

The clearest difference is update cadence: MERS eTextbook at every 3 months against Parent MDM's every 26 months. MERS eTextbook also leads on review sentiment (17% vs 0%). Parent MDM's advantage is device support (3 vs 1) and iOS requirement (9.3 vs 18.6). On price, ads, in-app purchases and monetization model 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, Parent MDM every 26 months. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | MERS eTextbook | Parent MDM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.3 (3 ratings)](https://appshunter.io/ios/app/parent-mdm/id1147683941/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | **16.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 26 months |
| Monetization | Free | Free |
| Size | 66 MB | 43 MB |
| Requires iOS | 18.6 | **9.3** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Modern Educational Research Society, LTD](https://appshunter.io/developer/432268704) | [180c Limited](https://appshunter.io/developer/1449107536) |

## 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


### Parent MDM

[App page](https://appshunter.io/ios/app/parent-mdm/id1147683941)

This app helps parents manage their children's school and leisure activities to foster family harmony. It's designed for busy parents seeking a convenient way to stay organized.

**Highlights:** Child activity management, School activity organization, Leisure activity planning, Family harmony focus, Convenient for busy parents

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MERS eTextbook free?

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

### Is Parent MDM free?

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

### Do MERS eTextbook or Parent MDM have ads?

Neither MERS eTextbook nor Parent MDM shows ads.

### Which is updated more often, MERS eTextbook or Parent MDM?

MERS eTextbook ships an update every 3 months, and Parent MDM every 26 months. Most recently, MERS eTextbook was updated on October 16, 2026 and Parent MDM on October 6, 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.*