TenguGo Hangul
Top 2 in Top 10 Best Korean Learning Apps
TenguGo is a beginner's app that focuses on the Hangul alphabet and Hangul pronunciations. Learners will quickly comprehend how to pronounce each Korean letter correctly thanks to audio and images of the mouth and tongue.
Download: Rosetta Stone for Android
https://play.google.com/store/apps/details?id=com.tengulogi.tengugo.kr_hangul&hl=vi
Download: Rosetta Stone for iOS
https://apps.apple.com/us/app/tengugo-hangul/id579740310