Learn vocabulary through encoded memory techniques, visual associations, and humorous illustrations. Track progress with T-Repetition algorithm based on forgetting curve. Explore word roots and prefixes for deeper understanding.
by Wuhan Xing Ren An Technology Co., Ltd.★ 4.124 ratingsEducationFreeData updated 2026-09-12
Learn arithmetic operations like subtracting 7-9, multiplying by 4, 8, 9, 11, and 25. Practice calculations through structured lessons with increasing difficulty. Track progress and reinforce algorithm understanding through targeted exercises.
Nanjing Treasure Island Information Technology Co., Ltd.
Practice exams with AI grading and instant
Access real-time English, political, and math practice materials with detailed explanations. Use AI essay grading aligned with exam standards. Track progress with spaced repetition algorithms. Export notes and PDFs.
Learn vocabulary through context with sentence additions and annotations. Use spaced repetition for smart reviews. Practice with flashcards, images, and quizzes. Access 200,000+ entries in an English-Chinese dictionary.
A wearable device for children and parents allows phone calls between watch and phone, watch-to-watch. It includes GPS and Wi-Fi for location tracking. Voice messages can be sent between and watch.
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.
Learn English with audio resources, including speaking practice, vocabulary review, pronunciation training, and exam prep. Access categorized content like travel, business, and textbooks. Collect favorite audio lessons for later.
Learn vocabulary through illustrated stories and example sentences. Review words based on forgetting curve for long-term retention. Access level-specific wordbooks for TOEIC, English exams, and conversation.
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.
Provides structured English learning with highlighted key phrases and full-screen sentence-by-sentence explanations. Users can swipe to mark notes, tap for pronunciation, and lock playback.
Help users prepare for baptism by studying key verses and interview topics. Access biblical themes with associated poems for deeper understanding. Train through customizable subjects with guided learning sessions.
Update dictionary database and add ancient calligraphy. Support iPad landscape mode and iOS 13. Enable online error correction and user feedback. Include康熙字典, 说文解字, and 宋本广韵.