MemoryAI vs Vaulta PDF & Study AI

MemoryAI — Your Private AI Assistant, 100% Offline Runs 100% offline once a model is downloaded to your iPhone. Complete Privacy Run powerful AI models directly on your phone. Your conversations, documents and memories stay on your device: no AI servers, no login required. The app sends only usage statistics tied to a random app identifier, crash reports and, if you allow them, notifications — never the content of your chats. AI Features • Chat with AI — multi-turn conversations that keep the whole chat in context, up to the model's limit • Agent Memory (optional) — turn it on in Settings and the AI remembers what you tell it, in your own words, stored locally on your device; view, edit or delete memories any time. Requires an embedding model • Chat Search — search and filter your conversations by title or message • Continuous Voice Mode — fully hands-free: speak naturally, and the AI listens, responds, and speaks back without tapping • Voice Input — speak instead of typing with on-device transcription • Text-to-Speech — listen to AI responses read aloud, or enable auto-speak for hands-free use • Document Analysis (RAG) — import PDF, TXT and MD files and ask questions about them • Image Understanding — analyze photos with Vision AI models; select multiple images at once • Chat Templates — 20 pre-built AI personas (code helper, writing coach, tutor, and more) • Benchmarking — measure model speed (tokens/sec) directly on your device • Context Window Display — see current vs. max token usage, so you never exceed the model's limit Power User Features • Import custom GGUF models — bring any compatible model from HuggingFace • Dual engine — Gemma (MediaPipe / LiteRT) + llama.cpp; choose the backend that fits your needs • HuggingFace Token Management — save and manage your token for seamless gated model downloads • Model parameters — adjust temperature, top-k, top-p, max tokens per model • Pause & Resume Downloads — control large model downloads to save data or battery • Backup & Restore — save your chats and settings to iCloud Kid / Safe Mode • PIN-protected parental controls • Content filter blocks inappropriate words before they reach the AI • Model Safety Checks — automatic warnings to prevent unverified imported models from running in Kid Mode • Locks the active model — child cannot switch or change settings • Age-appropriate AI responses, guided by a safety prompt • Parental Unlock — temporarily access settings and documents from the chat screen without disabling Kid Mode • Reduces — does not eliminate — exposure to unsafe content: stay nearby while your child uses it Works Everywhere • iOS • 10+ AI models: Gemma, Llama, Phi, Qwen, DeepSeek, and more • Available in 6 languages: English, Italian, German, French, Spanish, Portuguese Completely Free • Unlimited chat, voice, vision, documents, image OCR • Documents: PDF, TXT, MD and images (JPG, PNG) • No ads, no subscriptions, no in-app purchases • No accounts, no tracking Built by Facchinits — privacy-first AI for everyone.

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.