Allows users to look up words in -, -, -, and - dictionaries. Search across multiple dictionaries simultaneously. Provides offline functionality without requiring internet connection. Supports efficient word lookup on older devices.
View lunar and solar calendars side by side. Access calendar widgets on home screen for quick glance. Track countdowns to lunar festivals like Tet and Mid-Autumn Festival. Set reminders for special dates and events.
View lunar and solar calendars for . Check can and chi for hours, days, months, and years. See favorable hours and display quotes by theme. Track current and upcoming weather. Switch between calendar views.
Search for song chords for , ukulele, and piano players. Access a large offline chord library with daily updates. Adjust key, auto-scroll, and adjust speed. No internet required. Free to use.
Dictionary provides English-Vietnamese translations with advanced search and native pronunciation. Includes multiple dictionaries and over 100,000 words. Features modern interface, no ads, and updated content for learning, work, travel, or home use.
Look up vocabulary with entries, translate between -, -, -, and -. Access grammar structures and search for words with examples. Save favorites and view word details including pronunciation and parts of speech.
Prepare for the U.S. citizenship exam with official 2008 version questions. View all questions, study by keyword groups, review marked questions, and listen to questions and answers. Take practice tests with 10 random questions and challenge mode.