OpenResponses

Native GPT-5.2 Client

Free · Designed for iPad

GPT-5.2 on iOS. Web Search, Image Generation, and full API control - bring your own key. A native iOS client for GPT-5.2 and reasoning models. Bring your own API key, stream responses in real time, and access built-in tools--all in a fast, privacy-focused app. Models - GPT-5.2, GPT-5.2-pro, GPT-5.1, GPT-5, and GPT-5-mini - o3 and o4-mini reasoning models with configurable effort - GPT-4.1 family, GPT-4o, and legacy fallbacks Built-in Tools - Web Search: Live answers with clickable citations - Image Generation: Create visuals with gpt-image-1 - Code Interpreter: Run Python in a sandboxed cloud environment - File Search: Query vector stores and uploaded documents Streaming & Inspection - Token-by-token streaming with reasoning indicators - Request Inspector shows every API payload and tool call - Local conversation history with export support Pro Controls - Temperature, max tokens, reasoning effort, and tool routing - Prompt Library to save and reuse configurations - Model compatibility guidance built in Apple Integration - Access Calendar, Contacts, and Reminders via AI tools - SwiftUI interface with Dark Mode and Dynamic Type - VoiceOver and reduced motion fully supported Privacy - API keys stored in the iOS Keychain--never leave your device - No accounts, no analytics, no tracking - All data stays local unless you export it AI output can be inaccurate--always verify important information. Requirements - iOS 17.0 or later - Your own API key with active billing

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The developer, Gunnar Hostetler, 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

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

    • Size
      • 7.3 MB
    • Category
      • Developer Tools
    • Compatibility
      Requires iOS 17.0 or later.
      • iPhone
        Requires iOS 17.0 or later.
      • iPad
        Requires iPadOS 17.0 or later.
      • Mac
        Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
      • Apple Vision
        Requires visionOS 1.0 or later.
    • Languages
      • English and Spanish
    • Age Rating
      4+
    • Provider
      Gunnar Hostetler
      • Gunnar Hostetler has not identified itself as a trader for this app. If you are a consumer in the European Economic Area, consumer rights do not apply to agreements between you and the provider.
    • Copyright
      • Copyright © 2026 Gunndamental