BastionChat

Chat with Documents Privately

USD 9.99 · Designed for iPad

Your AI Universe, Secure on Your Device. Stop feeding your personal and professional data to cloud-based AI. Bastion Chat revolutionizes the AI experience by bringing a powerful, untethered assistant directly to your device. It's a complete AI toolkit that ensures what's yours stays yours. No subscriptions, no ads, and absolutely no per-token fees-ever. KEY FEATURES: YOUR PRIVATE AI, YOUR RULES Experience the power of top-tier "thinking" models without compromising an ounce of privacy. All processing happens locally on your device, meaning your conversations are never seen by anyone but you. It even works completely offline! TRANSFORM DOCUMENTS INTO DIALOGUE Unlock the knowledge within your files. Simply provide a PDF, a web link, or plain text, and start a conversation. Ask complex questions, find specific details, and get instant answers from your personal content. It's the ultimate research assistant. AI-POWERED SUMMARIES IN SECONDS Overwhelmed by lengthy articles or dense reports? Let Bastion Chat do the heavy lifting. Get concise, intelligent summaries that distill key information, saving you hours of reading. SEAMLESS VOICE CONVERSATIONS Go completely hands-free with our advanced conversational mode. Engage in natural, back-and-forth dialogue with your AI. It listens, understands, and responds in real-time, making interaction effortless. UNCOMPROMISING PRIVACY & SECURITY We believe privacy is a right, not a feature. With zero tracking, no data collection, and optional Face ID protection, Bastion Chat is your secure digital fortress. Download your model, and then you can activate plane mode if you want, this solution is complete private only running on your device. NO HIDDEN COSTS. NO GAMES. Pay once and own it forever. Forget about confusing token limits and recurring subscription fees. Enjoy unlimited, unrestricted access to your personal AI without ever worrying about the cost. WHO IS BASTION CHAT FOR? Bastion Chat is the essential tool for students, researchers, lawyers, professionals, and anyone who demands both cutting-edge AI and absolute data privacy. If you value your information, this is the only AI app you need. Download Bastion Chat today and take back control. It's not just AI - it's your AI.

Ratings & Reviews

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## Major New Features: - **Agentic Search with Thinking Models** - New intelligent search using Qwen3 thinking models - Multi-step reasoning with internal thought processes - Document analysis with step-by-step logical deduction - **Quick Search with Traditional RAG** - Fast traditional retrieval-augmented generation - Works with all model types for instant results - Alternative to agentic search for simpler queries - **Search Across Documents** - NEW FEATURE: Search within or across selected documents - Flexible document filtering and scope control - Intelligent result summarization with citations - **Tool Calling System** - Built-in tools for document search, calculations, and analysis - AI can perform actions and execute tasks - Multi-step task execution with reasoning - **Word Cloud Generation** - Visual document analysis with term frequency analysis - Natural language processing for key concept identification - Document comparison and trend analysis - **MCP Integration (Model Context Protocol)** - External tool connections for web APIs and services - Tool orchestration with intelligent selection - Privacy-first design maintaining local processing - **Agentic Workflow** - Multi-step reasoning with tool execution - Block-based message architecture for complex tasks - Intelligent task planning and execution ## UI & Experience Improvements: - Enhanced feature section layouts with better spacing - Improved capability items with grid layout - Better visual hierarchy and card designs - Enhanced mobile responsiveness - Real screenshots showing actual functionality ## Technical Accuracy Updates: - Fixed model table to show only Qwen3 models have full tool support - Updated other models to show 'Limited' tool support - Corrected MCP integration image placement - Better image placement and captions ## Platform Evolution: BastionChat has evolved from a basic chat app to a complete AI agent platform with: - Revolutionary tool calling capabilities - Visual document analysis - Agentic workflows - MCP integration for external connections - Complete privacy-first design

Version 1.0.8

The developer, Frederic Ayala Heinrich, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary based, for example, on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    • Provider
      • Frederic Ayala Heinrich
    • Size
      • 74.1 MB
    • Category
      • Productivity
    • Compatibility
      Requires iOS 18.0 or later.
      • iPhone
        Requires iOS 18.0 or later.
      • iPad
        Requires iPadOS 18.0 or later.
      • Mac
        Requires macOS 15.0 or later and a Mac with Apple M1 chip or later.
      • Apple Vision
        Requires visionOS 2.0 or later.
    • Languages
      English and 7 more
      • English, French, German, Italian, Japanese, Korean, Portuguese, Spanish
    • Age Rating
      4+
    • Copyright
      • © Frederic Ayala Heinrich (c) 2025
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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