Language Byte

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/