Language Byte vs KumiOu

Learn languages on your Apple Watch and go deeper with on-device AI on iPhone. Language Byte combines wrist-based micro-learning with 18 AI-powered practice tools—all running privately on your device. No cloud. No account. No data collected. WHAT'S INCLUDED • 24 languages: English, Spanish, French, German, Italian, Japanese, Chinese, Korean, Portuguese, Thai, Arabic, Hindi, Russian, Turkish, Dutch, Swedish, Polish, Vietnamese, Indonesian, Greek, Hebrew, Ukrainian, Swahili, and Haitian Creole • 85+ language pair directions • English → Spanish free; Premium unlocks all languages + AI features ($6.99/month or $49.99/year) • SM-2 spaced repetition with context-aware scheduling • Personalized learning paths that adapt to your style • CEFR levels (A1–C2) with example sentences in context • iCloud sync for progress across Watch and iPhone APPLE WATCH • Digital Crown navigation for hands-free study • Auto-advance mode for passive learning during workouts or commutes • 6 quiz modes: Quick Drill, Listening, Focus Mistakes, Mixed, Timed, and Custom • Pronunciation practice with real-time feedback • Daily Word of the Day and customizable goals • Watch face complications: vocabulary, XP progress, and reviews due • Siri Shortcuts: "Start Study," "Start Review," "Start Quiz" • Interactive quiz notifications with XP rewards • On-device search—no internet needed IPHONE — ON-DEVICE AI (Premium) 18 AI-powered tools running entirely on your device: • AI Conversation & Voice Chat: Practice speaking in real-world scenarios • Grammar Drills & Sentence Building: Targeted exercises with AI explanations • Story Mode: Interactive branching stories with comprehension choices • Adaptive Quiz: AI targets your weak areas with dynamic difficulty • Cultural Notes, Idiom of the Day, Word Map, Study Plan, Journal, Flashcard Generator • Translation Assistant, Situational Vocabulary, Language Comparison • Apple Translate integration (on-device, no internet required) On-Device AI: Premium subscribers can download an optional AI language model (~2 GB) to unlock advanced features like conversation practice, grammar drills, story mode, and personalized study plans. The AI runs entirely on your device—no data is sent to external servers. A Wi-Fi connection is recommended for the initial model download. STAY MOTIVATED • XP, 20 levels, streaks, and level-up celebrations • Achievements and milestones • Weekly review, analytics dashboard, and learning insights • CSV export for progress tracking • Location-based vocabulary suggestions (Premium) PRICING • English → Spanish: Free • Premium: $6.99/month or $49.99/year • 7-day free trial for new subscribers • Unlocks all 24 languages + 18 AI features Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

KumiOu is a Japanese learning companion built around the things you actually want to read. Import a manga page, tap a speech bubble, and see it recognized and translated on the spot — then turn any word you meet into something you'll remember. Read real manga with on-device OCR Open your own manga images and tap a speech bubble. KumiOu detects the bubble, reads the Japanese, and shows a translation with furigana and instant dictionary lookups — all processed privately on your device. A dictionary that keeps up with you Search vocabulary, kanji, and grammar with fast, forgiving lookup. Every entry comes with readings, furigana, meanings, JLPT level, and example sentences — tuned to your study level. Notebooks that remember for you Save words, kanji, and grammar into notebooks and let spaced repetition schedule your reviews. Flag the sets you care about and keep everything synced across your devices. Practice that sticks Reinforce your japanese mastery through unlimited jlpt-based quizzes, anki cards, and fun word games like Snake and Crossword. Read beyond manga Browse a curated library of Japanese news, novels, and blogs, save readings for later, and look up anything you don't know as you go. Stay focused Optional Focus tools use Screen Time to gently shield distracting apps while you study, so a short session stays a study session. A place you'll want to return to The whole app lives on a quiet seasonal pond that shifts with the time of year — an unhurried, beautiful backdrop for daily practice. Free to use, with an optional subscription that unlocks premium features. Your learning data stays yours, and on-device recognition means your manga never leaves your phone. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://kumi-ou-landing-page.vercel.app/privacy