BastionChat vs AIChatOCR

Your data belongs to you. Your AI should too. Bastion Chat puts a powerful, private AI assistant in your pocket — no subscriptions, no usage limits, no servers watching over your shoulder. Everything runs locally on your device, so your conversations stay completely confidential. Even offline. ——— KEY FEATURES ——— YOUR PRIVATE AI, YOUR RULES Experience top-tier reasoning and "thinking" models without compromising an ounce of privacy. All processing happens on-device. Your conversations are never uploaded, never analyzed, never sold. Just you and your AI. CURATED MODEL CATALOG Browse and download a hand-picked selection of the best open-source models — from compact 1B models that run on any iPhone, to powerful 27B models on iPad and Mac. Thinking models, vision models, tool-use specialists — all pre-configured and ready to run. VISION & MULTIMODAL AI Ask questions about images, analyze screenshots, describe photos, or extract text from documents. Bastion Chat supports multimodal models that see and understand the world alongside you. AGENTIC AI — YOUR AI THAT ACTS Go beyond chat. Enable Agent Mode to let Bastion Chat reason through complex tasks, plan multi-step solutions, and execute actions autonomously using built-in tools. Your private AI that doesn't just talk — it does. FULL RAG & DOCUMENT INDEXATION A complete knowledge pipeline in the palm of your hand. Import PDFs, web pages, Wikipedia articles, or plain text. Bastion Chat indexes your personal knowledge base using full retrieval-augmented generation so answers are always grounded in your content. AI-POWERED SUMMARIES IN SECONDS Overwhelmed by lengthy articles or dense reports? Bastion Chat distills complex content into clear, actionable summaries. Grasp the key points instantly and save hours of reading. SMART WEB SEARCH, ON DEMAND Need real-time information? Enable the optional web search tool to ground your answers in live results — without sacrificing your privacy or your workflow. BRING YOUR OWN MODEL Import any GGUF model directly from Hugging Face or your local files. Capabilities like advanced reasoning, tool use, and vision are detected and configured automatically on import. SCALES WITH YOUR DEVICE On iPhone, run fast and efficient models for everyday tasks. On iPad and Mac, unleash frontier-class models like Qwen 27B for deep research, long-form writing, and complex reasoning — all still 100% local. ONE PURCHASE. YOURS FOREVER. No usage caps. No API costs. Pay once and run unlimited queries for as long as you own your device.

Perfect for These Private Scenarios * Organizing secret notes and diaries
Summarize and structure personal records. Nothing ever leaves your device. * Private consultations
Relationship advice, health notes, family matters—topics you hesitate to ask online AI. Fully offline and secure. * Personal document management
Read passports, bank statements, and handwritten notes, then ask questions. Keep sensitive data completely safe. Key Features * High-Accuracy OCR
Convert photos into text with your camera. Handwritten notes are recognized with high precision. * AI Chat Interaction
Summarize long texts, extract key points, and create bullet lists via chat. Even sensitive conversations stay entirely on-device. * Flexible Information Extraction
Keyword extraction, field extraction, Q&A, translation, and more. * User-Friendly UI
Chat-style interface with intuitive access to conversation history. * Export & Share
Export or share messages when needed. Get Started in 3 Easy Steps 1. Import documents
Scan and capture private notes instantly. 2. Automatic OCR text extraction
Fast, fully offline processing. 3. Chat with AI
Summaries, questions, and more—no external servers required. Try it for free now!
Your personal, private AI assistant awaits. Frequently Asked Questions * Supported documents
Contracts, academic papers, diaries, and more. Japanese and English supported. * Offline usage
Yes. All processing is done entirely on your device. * Data privacy
No external data transmission. Zero leakage, even for sensitive conversations. Privacy Policy AIChatOCR performs all processing entirely on your device.
No data is sent externally and no data is shared with third parties. Important Notes This app performs intensive data processing.
Extended use or heavy workloads may cause the device to heat up.
Due to high memory usage, the app may unexpectedly terminate (crash) depending on device performance. Support If you have any questions or requests, please contact us via “App Support” listed on the App Store. System Requirements * iOS 18.0 or later * iPhone 14 or later recommended