MERS.HK vs EMM EDB
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MERS.HK
This app provides students and teachers with an optimized experience for accessing and interacting with e-learning resources. Users can annotate screenshots, seamlessly connect with other educational tools, and enjoy a locked rotation for comfortable viewing.
- Optimized viewing and access to e-learning resources
- Screenshot annotation and sharing
- Seamless integration with other MERS apps
- Automatic rotation lock for comfortable use
- Designed for MERS e-Learning in Schools partners
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MERS.HK MERS.HK is aiming to give students and teachers the best possible user experience designed for optimal use of the e-learning resources developed by Modern Educational Research Society, Ltd (MERS). Features: ‧ Provides students and teachers with the best viewing and accessing results when they use MERS resources. ‧ Allows users to take a screenshot on which they can make notes, draw or write remarks. Screenshots can be uploaded to Camera Roll or Share to other Apps. ‧ e-Learning activities are seamlessly connected to other apps developed by MERS for effective learning. ‧ Rotation is automatically locked, in line with the content and interface design of the materials for best viewing. * Only available for e-Learning in Schools partners of MERS.
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 review sentiment: MERS.HK at 40% against EMM EDB's 27%. MERS.HK also leads on iOS requirement (10.0 vs 15.0). EMM EDB's advantage is device support (3 vs 1). On price, update cadence, ads and in-app purchases 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.
Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.
| Parameter | MERS.HK | EMM EDB |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 40.0% of reviews — better | 27.3% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 months | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 10.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 2 MB | 163 MB |
| Age rating | 4+ | 4+ |
| Developer | Modern Educational Research Society, LTD | 香港教育電視 |
Customer experience
MERS.HK
EMM EDB
In-app purchases
MERS.HK
No in-app purchases
EMM EDB
No in-app purchases









