MERS eTextbook vs EMM EDB
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MERS eTextbook
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.
- Downloadable eTextbooks
- Personalized content by school
- Interactive learning tools
- Multimedia integration
- Learning history tracking
- Notifications for new content
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"MERS eTextbook" (ONLY available for e-learning client schools) “MERS eTextbook” is an application which facilitates users to download eBooks published by Modern Education Research Society. The downloaded eTextbooks will be stored on the “My bookshelf” for easy access. Features of MERS eTextbook: ‧ The eTextbook provides an extensive range of eTextbooks, including textbooks of various subjects and engaging storybooks. ‧ The application is able to identify users’ access right after they have logged in. It will then provide the suitable eTextbooks (including school-based textbooks) according to users’ school and level. ‧ Users will be notified to download new eTextbooks or update the downloaded ones whenever available. Features of MERS eTextbooks: ‧ Each eTextbook is incorporated with practical tools, such as notebook, drawing tool, etc. ‧ eTextbooks are enriched with the integration of videos, audio materials, pictures, documents, spreadsheets and powerpoints, etc. ‧ Interactive activities are included and users can track their learning history and results. ‧ Learning materials of various types are attached on specific page and position for easy access.
EMM EDB
This app offers a rich collection of educational multimedia resources, including videos, animations, and picture books, designed to support learning for kindergarten, primary, and secondary students and teachers. Resources are aligned with the school curriculum and aim to enrich the learning experience and facilitate teaching activities.
- Theme-based short videos
- Multi-ending micro movies
- Animations and nursery rhymes
- Picture books and sound tracks
- Curriculum-aligned resources
- Informational videos for parents and teachers
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Educational Multimedia (EMM) is provided by the Education Bureau (EDB) for kindergarten, primary and secondary students as well as teachers to support learning and teaching. EMM includes theme-based short videos, multi-ending micro movies, animations, nursery rhymes, picture books, photos, sound tracks, and videos which are divided into chapters and short clips of a few minutes. These resources are developed based on the school curriculum and students’ learning needs, and are provided freely for schools to facilitate the design of learning and teaching activities and to enrich students' learning experience. Besides, informational videos are also developed for parents and teachers to introduce the latest developments in education. EMM resources are available on the Hong Kong Education City (HKEdCity) EMM website (https://emm.hkedcity.net) and this mobile application.
Screenshots
Verdict
The clearest difference is update cadence: MERS eTextbook at every 3 months against EMM EDB's every 5 months. EMM EDB's advantage is review sentiment (27% vs 17%) and device support (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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, EMM EDB every 5 months. The most recent releases landed on November 6, 2026 and November 1, 2026 respectively.
| Parameter | MERS eTextbook | EMM EDB |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 16.7% of reviews | 27.3% of reviews — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 66 MB | 163 MB |
| Age rating | 4+ | 4+ |
| Developer | Modern Educational Research Society, LTD | 香港教育電視 |
Customer experience
MERS eTextbook
EMM EDB
In-app purchases
MERS eTextbook
No in-app purchases
EMM EDB
No in-app purchases









