Epheos English Tutor

Epheos English Tutor is your personal, 100% private on-device AI language mentor, engineered to take you from CEFR A1 Beginner to C2 Mastery through natural conversations, live voice calls, multimodal vision coaching, and adaptive learning tools. Powered locally by Google Gemma and Gemini Nano NPU acceleration, Epheos delivers instant grammar feedback, pronunciation scoring, and deep vocabulary mastery directly on your phone. NO ADS OR IN-APP PURCHASES Complete access to every AI tutor, CEFR course, exam, and certificate without ads, subscriptions, or paywalls. KEY FEATURES & LEARNING SUITE 🔒 100% Private On-Device AI & Multimodal Chat • Local AI Engine: Powered by on-device Gemma (GPU/CPU) and Gemini Nano NPU—your voice and chats never leave your device. • Live 1-on-1 AI Tutor Calls: Practice conversational fluency in real-time voice calls with live captions, audio visualization, and gentle instant feedback. • Camera & Photo Vision Chat: Snap photos or attach images to describe scenes, read real-world text, and practice visual conversations. • Voice Practice: Speak naturally with on-device speech-to-text, native audio playback, and adjustable speech rate (0.7x to 1.3x). • Personal AI Memory & Proactive Check-Ins: Your tutor remembers your goals across sessions and sends friendly practice reminders. 🏛️ 10 Legendary Socratic AI Tutors (CEFR A1–C2) Practice with mentors inspired by history's greatest minds, matched to your exact proficiency level: • A1 Beginner: Hypatia (Brilliant Guide) & Confucius (Sage of Harmony). • A2 Elementary: Ahmad Baba (Scholar of Timbuktu) & Chanakya (Strategic Scholar). • B1 Intermediate: Socrates (Socratic Mentor) & Seneca (Stoic Teacher). • B2 Upper-Intermediate: Sor Juana (Tenth Muse) & Ibn Sina (Polymath Healer). • C1 Advanced & C2 Mastery: Ada Lovelace (Analytical Visionary) & Aristotle (Master of Logic). 🎯 Real-Time Inline Grammar Corrections • Live Feedback Cards: Speak freely while receiving non-intrusive inline correction cards with before-and-after diffs. • Rule Explanations: Understand the 'why' behind grammar fixes and discover natural native phrasing. 🎙️ Pronunciation Coach & IPA Phonetics Studio • Shadowing Practice: Master Minimal Pairs, Topic Sentences, and Expressions (A1–C2) with Normal (1.0x) and Slow (0.65x) audio. • Word Accuracy Scoring: Record your voice for instant phonetic evaluation (Matched, Close, Missed) and tap 'Ask AI Coach How to Fix Sound' for articulation tips. • Interactive IPA Dictionary: Explore the full International Phonetic Alphabet chart (Vowels, Diphthongs, Consonants) with vocal tract guides. 🧠 5-Mode Interactive Vocabulary Trainer Master essential CEFR A1–C2 vocabulary across 5 active learning modes for every word: • Overview Flashcards: Definitions, IPA phonetics, Greek/Latin roots & etymology, collocations, and examples. • Speaking, Multiple Choice, Typing & Listening Quizzes: Reinforce retention through multi-sensory recall. 🌐 Instant Tap-to-Translate (17 Languages) • Tap Any Word Anywhere: Tap words in Chat, Studybook, Vocab, or Exams for instant translation into 17 languages (Spanish, French, German, Turkish, Italian, Portuguese, Russian, Arabic, Chinese, Japanese, Korean, Hindi, Vietnamese, Indonesian, Polish, Dutch, Ukrainian). • One-Tap Deep Dive: Listen to pronunciation, 'Ask Tutor' for context, or save words to your Notebook. 🎓 CEFR Studybook, Exam Center & Verified Certificates • Adaptive Placement & Benchmarks: Pinpoint your CEFR level and take standardized A1–C2 exams, reading comprehension, and grammar diagnostics. • Official PDF Certificates: Earn downloadable, shareable Epheos PDF certificates with unique online verification codes. • Smart AI Notebook & TutorSync: Organize notes with 'Refine with AI', local JSON backup, and secure note and document cloud synchronization. PRIVACY & PERMISSIONS Camera and Microphone permissions are used strictly for on-device vision chat, real-time voice calls, and pronunciation practice.

Epheos English Tutor is now faster and more stable. Stay tuned for more updates!