Daily Brain vs Sacred Knowledge Vault

Daily Brain — Expand Your Vocabulary, One Day at a Time Every day, Daily Brain delivers 5 carefully curated English words tailored to your level and interests. Whether you're a student, professional, or language enthusiast — Daily Brain helps you build a powerful vocabulary with minimal daily effort. HOW IT WORKS 1. Learn — Each day you get 5 new words to discover. Tap to reveal each word and explore its meaning, examples, synonyms, and memory hooks. 2. Quiz — After learning your daily words, test your knowledge with interactive quizzes: multiple choice, fill-in-the-blank, and context-based questions. 3. Review — Practice weak words with flashcard-style review to lock them into long-term memory. YOUR DAILY JOURNEY Daily Brain gives you a clear, structured learning flow every single day: → Reveal today's 5 words → Complete the daily quiz → Finish your challenges → Build your streak FEATURES • 5 Words Daily — Handpicked vocabulary based on your difficulty level (Beginner, Intermediate, Advanced) and topics of interest. • Smart Quizzes — Three quiz types test your understanding from different angles: definitions, fill-in-the-blank, and real-world context. • Explore — Search any English word instantly using a built-in dictionary. Browse 8 curated collections with 160+ words across categories like Power Words, Emotions, Tech, Philosophy, Business, and more. • Word Detail — Each word comes with a simple explanation, advanced explanation, ELI5 (Explain Like I'm 5), real-life usage examples, native speaker tips, and a memory hook to help it stick. • Word Mastery — Track your progress from New → Learning → Mastered for every word. See which words need review and which ones you've locked in. • Streaks & XP — Stay motivated with daily streaks, XP rewards, and level progression. Claim your daily reward and complete challenges to earn bonus XP. • Weekly Activity — See your XP chart for the week and track your consistency at a glance. • Achievements — Unlock badges as you reach milestones: first word, 7-day streak, 50 words learned, Quiz Master, and more. • Review Mode — Flip through flashcards of words you've struggled with. Mark them as learned when you're ready. • 5 Topic Categories — Business, Psychology, Everyday, Academic, and Slang. Choose what matters to you. • 3 Difficulty Levels — Beginner (common words), Intermediate (business & academic), Advanced (complex & nuanced). • Beautiful Design — Clean, modern interface with smooth animations. Supports light and dark mode. Daily Brain is perfect for: • Students preparing for exams (SAT, GRE, IELTS, TOEFL) • Professionals who want to communicate more effectively • English learners building confidence • Anyone who loves discovering new words Start your vocabulary journey today. Just 5 minutes a day is all it takes.

An AI knowledge tool with an exclusive role-playing system featuring two separate knowledge base modes. All conversation data is stored locally to fully protect your privacy.  Six Exclusive Roles： You must pick an identity on your first launch: Angel, Demon, Sage, Knight, Fox and Hermit. Each role comes with unique salutations, conversation tones and placeholder texts for the input box. You may switch roles anytime in Settings. The AI opens every reply with role-specific greetings for an immersive Q&A experience.  Dual Knowledge Base Modes — Balance of Convenience & Privacy： 1. Sacred Library — Official Built-in Public Knowledge Base It includes ten complete categories: full-stack development, general learning, quotes & proverbs, design thinking, workplace communication, history & literature, finance & psychology, space science and more. Pre-built prompt templates named Wisdom Sparks are available. You can read daily offline quotes without API configuration — ready to use right after installation.  2. Personal Codex — Custom Private Model Knowledge Base (Max Privacy Protection) Create your private knowledge vault by entering your LLM API address, secret key and model name. All conversations are only sent to the third-party interface you configure. The app will not collect, upload or retain your Q&A content on its own. Full chat history is saved locally in the on-device FMDB database with no cloud uploads. You retain full ownership of all your data.  Full Suite of Knowledge Management Tools： - Sacred Archives: Conversations are auto-saved locally, paginated and grouped by knowledge base; only accessible on your device. - Sacred Favorites: Long-press any dialogue to save it locally for later review. - Wisdom Sparks: Built-in prompt templates to start knowledge inquiries with one tap.  Privacy & Security Guarantees： 1. Local Data Storage: All chats, favorites and history remain in your local database with no automatic cloud uploads. 2. Isolated Private Mode: Messages in your private vault are only relayed to your self-provided model endpoint. We never access your API keys or conversation data. 3. Encrypted API Key Storage: Your custom model keys are securely stored in Keychain with no plaintext caching. 4. Full Data Control: Clear all local chat cache and device data in one tap via Settings.  Target Users： Programmers, designers, educators, copywriters, students, casual knowledge seekers, and users who run private LLMs and prioritize data privacy. We keep updating built-in knowledge bases and role interaction experiences continuously.