EMM EDB vs 地震工程師
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
地震工程師
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The application is designed for aged 12 - 18 students. The simplified UI allows students build their own stick models easily. The application can helps students learn the knowledge of building structures through try and error. With helps of application. the simulation may assist students obtain higher score in competition like spaghetti tower challenge.
Screenshots
Verdict
The clearest difference is update cadence: 地震工程師 at every 11 days against EMM EDB's every 5 months. 地震工程師 also leads on iOS requirement (12.0 vs 15.0). On price, rating, ratings volume and ads 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.
On the App Store both sit at effectively the same score — 5.0 for EMM EDB against 5.0 for 地震工程師. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
EMM EDB ships an update every 5 months, 地震工程師 every 11 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.
| Parameter | EMM EDB | 地震工程師 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 27.3% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 5 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 163 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | 香港教育電視 | Peanut King Solution Limited |
In-app purchases
EMM EDB
No in-app purchases
地震工程師
No in-app purchases
