PromptBuddy is a lightweight, open-source ChatGPT client designed for speed, privacy, and flexibility. Use your own OpenAI API key to chat with GPT models and generate or modify images — all without login or hidden charges.
Originally built as a personal development tool, PromptBuddy is now available to everyone on iOS, macOS, and visionOS. Whether you’re writing, brainstorming, coding, or just exploring AI, PromptBuddy gives you a clean, efficient interface with full control.
- ⚡️ Lightweight & fast ChatGPT interface
- 🔑 Works with your OpenAI API key – no account required
- 🎨 Image generation & editing with prompt-based control
- 🗂 Conversation history with easy management
- 🍎 Native support for iOS, macOS, and visionOS
- 💻 100% open source
