
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
Ratings & Reviews
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.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Gunnar Hostetler
- 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+
- 4+
- Copyright
- Copyright © 2026 Gunndamental