BD vs 樂奇英語
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BD
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關於【BD-P Online加密隨身碟_影音播放器】應用程式 此應用程式可開啟BD-P加密隨身碟裡的影音檔案，進行觀看並學習課程。 為最理想版權保護工具，保護您的有價智慧。 適合「函授教學」、「遠距教學」、「補課教學」、「影音發行」的工具。 1、線上預覽：登入後即可線上觀看檔案。 2、檔案加密：支援影片、音樂、文件….等檔案格式；以專用演算法加密，一般播放程式無法開啓。 3、專用播放程式：加密的檔案必須由此APP程式方能開啓檔案，程式的選單介面能提供有系統的課程順序，方便閱覽。 4、隨身碟金鑰：加上隨身碟金鑰來驗證是否有閱覽BD-P加密檔的權限，多重保護，達到最佳防盜拷效果。 5、防側錄：最新技術，可阻擋側錄軟體，杜絕盜版，保護智慧財產權。 6、防分享：專屬隨身碟若未插入手機，就不能播放課程，杜絕一人買、多人看。
樂奇英語
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數位化校園與家長的溝通平台，讓家長輕鬆掌握學生出勤，感受學校即時回報的便利讓家校溝通更有效率。
Screenshots
Verdict
The clearest difference is ads: 樂奇英語 at none against BD's shown. BD's advantage is update cadence (every 4 months vs every 31 months). On price, in-app purchases, device support and iOS requirement 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.
BD ships an update every 4 months, 樂奇英語 every 31 months. The most recent releases landed on October 3, 2026 and October 20, 2026 respectively.
| Parameter | BD | 樂奇英語 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months — better | Every 31 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12 — better |
| Further details — not scored | ||
| Size | 11 MB | 123 MB |
| Age rating | 4+ | 4+ |
| Developer | BD MEDIA MULTIMEDIA CO.,LTD. | Chi Hsien Lai |
In-app purchases
BD
No in-app purchases
樂奇英語
No in-app purchases
