Review and practice AP US questions aligned with official test objectives. Track progress with detailed feedback. Access study guides and key historical events. Simulate conditions with timed practice tests.
Access historical and cultural sites with offline audio guides. Listen to真人配音 explanations of 500,000+景点. Automatically play content based on GPS location. Supports museums, landmarks, and cities worldwide.
Learn English with interactive textbook reading, pronunciation practice, and vocabulary building. Access audio lessons, animated scenes, and speech evaluations. Practice speaking through themed dialogues and receive feedback.
Read and search biblical texts with the Chinese Union Version. Automatically flip pages and play audio. Set sleep timers and continue playback in the background. Access content offline with light and dark themes.
The app offers interactive learning with text-to-speech functionality for all textbook lessons. It includes expert-led lessons covering vocabulary, grammar, and comprehension, along with practice tests for each chapter to reinforce learning.
Shanghai Haidi Digital Publishing Technology Co., Ltd.
Look up words with detailed explanations
Reference "Search words, phrases, and idioms across 13 authoritative dictionaries. Access ancient Chinese, poetry, and grammar explanations. Listen to standard pronunciations and view animated stroke orders.
Access and view sheet music for guitar and ukulele. Adjust scale and display for different screen sizes. Cache sheet music for offline use. Simplify chord notation for beginners. Change key to suit personal playing needs.
A turn-based strategy game where players choose from various classes like soldier, knight, archer, and mage. Classes can level up and specialize through designated tiers. Players engage in battles without attack animations.
Learn high-frequency TOEIC vocabulary with 7000 words organized into 24 themes. Play real-time word games against others to test knowledge. Earn rewards by completing word challenges and quizzes.
Access synchronized learning materials for all subjects and grades. Watch video lessons and animations to explain concepts. Complete exercises and track progress. Listen to audiobooks and read bilingual stories.
Provide 200 baby recipes for 4-24 month olds, including main dishes, soups, fruits, and snacks. Organize by month and support search by ingredient or dish name. Allow users to favorite recipes for easy access.
Learn Vietnamese with audio lessons and dictionaries
Learn Vietnamese with phonetic guides, vocabulary lessons, and phrasebooks. Access audio pronunciations, translation tools, and AI-powered text recognition. Listen to spoken content, songs, and travel guides.
Read classic Chinese literature works by authors like Lu Xun, Ba Jin, and Shen Congwen. Adjust font size and background images. Access night mode for reading in dark environments. Explore short stories and poetry collections.
Reference allows users to search for single-character calligraphy images in篆书, 隶书, 草书, 行书, and 楷书 styles. Includes over 100,000 high-resolution single-character images from famous碑帖.