Chord vs AIVocab

This app plus your ears equals complete freedom in writing music! A comprehensive set of tools for any musician: * Chord Progression: Create beautiful chord progressions with full flexibility - use inversions, sus2, sus4, 7th, 9th, and more. Enjoy live playback as piano or synth, or send MIDI directly to your macOS computer! * Guitar Chords - helps you find and browse guitar chords. * MIDI Keyboard: Transform your phone into a MIDI keyboard for your macOS computer (compatible with macOS Catalina and newer). * Notation Practice: Practice reading notes in both treble and bass clefs. * Chord Calculation: Help you learn how to calculate chords and progressions. * Interval Practice: Practice recognizing and comparing musical intervals by ear. * Voice & Ear Training: Simple, effective tools for voice practice and ear training. * Harmonic Match - helps you mix tracks in key while DJing. * Guitar tuner - helps you tune your guitar to the most popular tunings. * Modulation Pad - Helps when using a compact MIDI keyboard without built-in pitch and modulation controls. Also includes a sustain pedal (compatible with macOS Catalina and newer). Plus, enjoy the macOS version included with your purchase!

**Master Vocabulary in 12 Languages with AI-Powered Intelligence** AIVocab combines cutting-edge AI technology with proven learning methods to accelerate your vocabulary building. Learn German, Spanish, French, Chinese, Japanese, Korean, Russian, Arabic, Italian, Portuguese, Hindi, or English with a fully localized interface in your native language. ** AI-POWERED ENHANCEMENT** Transform simple words into comprehensive learning resources instantly. Connect your API key to automatically generate accurate translations, natural example sentences, pronunciation guides, grammar details, and cultural usage notes. Cost-effective with intelligent caching—results are saved permanently. ** CAPTURE TEXT ANYWHERE** Learn from real-world materials! Photograph books, menus, signs, or documents and let advanced OCR technology extract text instantly. Import PDFs, select text with a tap, and add vocabulary on the spot. Batch process multiple images efficiently. ** INTELLIGENT PRACTICE MODES** Quiz Mode: Gap-filling exercises using real sentences from your vocabulary. Timed challenges with smart fuzzy matching accept close answers. Get immediate feedback, track problem areas, and review failed questions with detailed corrections. Review Mode: Spaced repetition algorithm schedules reviews based on your mastery level. Context-rich practice ensures words stick. Self-assess your knowledge and let the adaptive system optimize your learning schedule for long-term retention. ** VOICE-POWERED LEARNING** High-quality text-to-speech in all 12 languages. Create continuous reading sessions for hands-free learning. Adjustable speed (0.5x-2.0x), background playback, and perfect pronunciation practice. Listen while commuting, exercising, or relaxing. ** READING HUB** Import articles from photos or PDFs. Multi-article reading sessions with voice synthesis. Select any text to add vocabulary instantly. Track reading progress, view word counts, and estimate reading time. Build vocabulary from materials you actually want to read. ** PROGRESS TRACKING** Visual mastery distribution shows your progress from 0-100% for each word. Set daily goals with smart recommendations. Monitor success rates, learning velocity, and individual word statistics. Celebrate achievements and stay motivated with data-driven insights. ** SMART ORGANIZATION** Create custom color-coded labels for thematic learning. Filter by difficulty, progress level, date added, or custom labels. Advanced search across words, translations, and examples. Sort flexibly and organize your vocabulary your way. ** PRIVACY-FOCUSED & COST-EFFICIENT** All data stored locally on your device. No cloud synchronization. Complete privacy—your learning data never leaves your phone. No subscriptions—one-time purchase only. Minimal AI API costs with intelligent result caching. ** PERFECT FOR** Students (school, university, test prep), professionals (business vocabulary), travelers (trip preparation), language enthusiasts, TOEFL/IELTS/DELE/JLPT preparation, self-learners using authentic materials. ** GET STARTED IN 5 STEPS** 1. Choose your target language 2. Set daily learning goals 3. Add AI API key (optional) 4. Import vocabulary (photos/PDFs/manual) 5. Practice with quizzes & spaced repetition