MyLLMChat vs Vaulta PDF & Study AI

MyLLMChat is a fully local AI chat app deeply optimized for Apple Silicon. All inference runs on your device — no chat content, prompts, or personal data ever leaves your Mac. Privacy is the default, not an upgrade. Highlights: • Fully offline — no internet required after a model is downloaded • Broad model support: Llama 3, Gemma 2, Qwen 2.5, DeepSeek, Mistral, and more • Built on mlc-llm + Metal — squeezes every drop of performance out of your M-series chip • Multimodal: image understanding, plus PDF / Word / Markdown document RAG with cited sources • Voice mode: on-device Whisper STT and high-quality TTS for natural voice conversations • Rich rendering: Markdown, LaTeX math, Mermaid diagrams, syntax highlighting for 50+ languages • End-to-end encrypted iCloud sync across Mac, iPhone, and iPad • Built-in OpenAI-compatible local API server — wire your local model into any third-party tool • Pro sampling controls: Temperature, Top P, Top K, Min P, frequency / presence / repeat penalties Built for lawyers, doctors, researchers, developers, and creators — anyone who needs serious AI help without handing data to the cloud.

Vaulta is a private workspace for documents, PDFs, notes and study material. SCAN AND ORGANISE Capture paper documents with your camera, import images from Photos, open files and keep everything together in a clear document library. POWERFUL PDF TOOLS Read PDFs, search their text, reorder pages, annotate with Apple Pencil, add signatures, insert photos and export the result. Combine documents or protect exported PDFs when you need to share them. SEARCH EVERYTHING Find words across document titles, notes, OCR text and PDF pages. Open a result and jump directly to the matching page or line. CONVERT AND EXPORT Open common document and archive formats, including ZIP files. Convert content inside Vaulta and export to PDF, text, Markdown, HTML, Word-compatible RTF and other useful formats. STUDY FROM YOUR OWN FILES Create summaries, outlines, key points, quizzes and flashcards from your documents. Ask questions grounded in the material you selected. PRIVATE OFFLINE AI Download an optional on-device language model and use AI tools without sending your documents to a remote AI service. Model downloads are verified before installation. MADE FOR IPHONE AND IPAD Use a focused iPhone workflow for quick capture and an expanded iPad workspace for reading, organising and studying. Your documents remain under your control. Some system features, such as speech recognition, may use services provided by the operating system according to your device settings.