Test acids and memorize their codes
Learn the 20 naturally-occurring acids through flashcards. View structured information tables or take quizzes to test knowledge. See structures, names, and codes. Use a simple interface with chalkboard-style visuals for easy study.
Showing 81–100 of 1,000 ranked alternatives.
Appalex Korlatolt Felelossegu Tarsasag
Watch movies,
Watch movie clips to . Tap scenes to translate words and phrases. Listen to audio with subtitles. Practice speaking by repeating dialogues. Track progress with lesson completion and vocabulary quizzes. Share achievements with friends.
Nemo Apps LLC
Record phrases, hear native audio, refine accent
Learn with essential vocabulary and phrases, each paired with native speaker audio. Record and compare your voice with the teacher's to improve accent. All audio is stored locally for offline use.
Nemo Apps LLC
Learn phrases with native audio
Learn with native speaker audio for essential words and phrases. Practice accent with Speech Studio by comparing your voice to the teacher's. Download all audio for offline use. No subscription required.
Magoosh
Track idioms and review
Study Sentence Correction idioms with covering different difficulty levels. Track progress and use a smart algorithm to focus practice on key areas. Access 160 idioms written by expert tutors.
Nemo Apps LLC
Learn with native audio and speech practice
Learn with native speaker audio for essential words and phrases. Practice accent with Speech Studio by recording and comparing your voice to the teacher's. Download all audio for offline use without internet or roaming fees.
Nemo Apps LLC
Learn with native audio and speech practice
Learn with native speaker audio for essential words and phrases. Practice accent with Speech Studio by comparing your voice to the teacher's. Download all audio for offline use.
Axiom Mobile LLC
Learn tables through play
Teaches tables through interactive gameplay. Tracks progress with detailed statistics. Features a child-friendly interface without advertisements. Allows users to monitor learning outcomes and set practice sessions.
Vladimir Bayatov
Learn with flashcards and pronunciation
Learn through 1000 flashcards with meanings, example sentences, images, and audio pronunciation. Users can review , test knowledge with quizzes, and listen to correct pronunciation.
Nemo Apps LLC
Learn phrases with native audio
Learn with essential vocabulary and phrases, each with native speaker audio. Record and compare your speech with the teacher's to improve accent. Download audio for offline use without internet or roaming fees.
Aviation Supplies and Academics, Inc.
Study FAA exam questions and answers
Prepare for the FAA Knowledge Exam with flashcards covering questions, answers, and explanations. Study by subject or take practice tests. Review progress and track performance metrics.
Mobiteach LLC
Words, track progress, and practice vocabulary
Vocabulary with customizable word lists tailored to levels A0 through C2. Practice words through flashcards, quizzes, and progress tracking. Set study goals and review sessions. Sync progress across devices.
HOA PHAM
Test biblical questions and answers
Play to test knowledge of scripture. Answer biblical questions to memorize stories and verses. Track progress and challenge others to improve biblical understanding.
Perfectrix Technologies Private Limited
Memorize words with flashcards and quizzes
Learn GRE vocabulary through an efficient memorization method. Review flashcards with spaced repetition. Track progress and adjust study sessions. Test knowledge with quizzes and receive feedback. Export word lists and set custom learning goals.
Nemo Apps LLC
Learn phrases with native audio
Learn with native speaker audio for essential words and phrases. Practice pronunciation using Speech Studio by comparing your voice to the teacher's. Download audio for offline use and access without internet connectivity.
Eko Health, Inc.
Learn cardiac sounds and ECGs
Learn cardiac anatomy and auscultation techniques through interactive lessons. Practice identifying heart sounds and murmurs with phonocardiograms. Study ECGs and arrhythmias with detailed explanations. Track progress with quizzes and feedback.
Linh Nguyen
In 15 minutes a day
From zero with daily 15-minute lessons. Master Hiragana, Katakana, and Kanji through interactive drills. Practice vocabulary with flashcards and quizzes. Track progress with weekly goals and completion stats.
Forwa Elade Wunde
Quiz Biochemistry Topics
Learn biochemical concepts through interactive quizzes on topics like introduction to biochemistry, water and pH, enzymes, metabolism, and more.
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