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/