6 Apps in This Bundle



This 6-app bundle showcases all resources developed by musician and developer Dr. Lucas Wong.

4D Piano Pocket Player completes the "ecosystem" of his 4D Piano on the web, which provides the world's most comprehensive solution for self, peer, remote accompaniment. More on 4D Piano: www.findbach.com/4d

Singers Text Find merges many aria and song text search engines together, with over 40000 unique entries in many different languages, all available offline.

Collaborative Pianist Rates is a useful calculator to illustrate the importance of psychological and other factors that come into play when determining a fair fee for a collaborative service.

Both Mandarin Pinyin & IPA Central and Cantonese Jyutping & IPA Central transcribe any scanned or inputted Chinese text into speech and pronunciation "spellings" instantly and accurately.

Sing in Korean transcribes any Korean character into Yale Romanization and IPA automatically, along with text-to-speech capability.

App Privacy

The developer, Lucas Tsun-Shiu Wong, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.