Study and test knowledge of the 20 standard acids through customizable quizzes. Topics include names, structural formulas, 1-letter and 3-letter codes, codons, and side chain classes. Quizzes are available for free. Remove ads with an in- purchase.
Connect characters to form words quickly. Play in Classic Mode with 900 stages and varying difficulty. Challenge Mode lets you find as many words as possible within a time limit. Multiplayer allows online play against others.
Learn languages through audio pronunciation guides. Tap to native speaker articulation in multiple languages. Record your voice and compare pronunciation. Practice speaking and improve accent accuracy.
Read books, news, and articles in over 20 languages. videos with subtitles. Translate words instantly with contextual meanings. Add new vocabulary to a personal list for review. View translations and definitions within content.
Read web content in the target language by highlighting words for instant translations and audio pronunciations. Save vocabulary for later review. Access real-time translations while browsing websites.
Read stories, listen to audiobooks, practice speaking
Read personalized stories and audiobooks in multiple languages. Translate words and sentences with a tap. Progressively increase difficulty. Take chapter quizzes to test understanding. Learn vocabulary through context and repetition.
Learn languages through interactive lessons and real-time conversations with AI tutors. Practice speaking with role-play scenarios involving police officers, taxi drivers, and pharmacists.
Core vocabulary to develop conversational skills in multiple . Practice speaking and listening exercises. Receive feedback on pronunciation. Track progress over time.
Offline with 53 language combinations supports vocabulary downloads and updates. Translate between languages bidirectionally. Includes German-English with over 1 million translations. Search terms in either language.
Dictionary provides translations between and 20 other languages. Users can look up words, view definitions, and switch between languages. Supports offline use and direct sharing of translations.