N3 文字語彙問題集 vs Sacred Knowledge Vault

1. Supports iPhone SE and above, as well as all iPad models. 2. Compiles all JLPT N3 vocabulary, aligned with the new Japanese Language Proficiency Test standards. The app can be comfortably operated with one hand, making learning more efficient. Through repeated practice with various question types, learners can achieve complete mastery. Whenever they encounter difficulties, they can always review the explanations to fully grasp the meaning and usage of each pattern. No flashy or cluttered elements — just straightforward learning. 3. Simulates the five major sections of the JLPT N3 vocabulary question format. Through continuous practice, learners can become proficient in all vocabulary items. 4. Since it compiles all vocabulary required for the JLPT N3 exam, the app offers diverse and comprehensive content with over 500 practice questions. It is an indispensable tool for anyone aiming to pass the JLPT N3. 5. For all iPad and iPad Pro users, the font size has been enlarged to make reading and learning even more convenient.

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.