Heydi — a flexible AI chat client for macOS
Heydi is a macOS application that provides a streamlined interface for interacting with several web-based AI chat services. It accepts spoken prompts or text pasted from your clipboard, making it simple to send queries to supported chat engines. The app is distributed through the Apple Mac App Store and is built to feel native within the Mac ecosystem.
Supported chat engines and system requirements
- Claude
- Copilot
- ChatGPT
Requirements and availability:
- Requires macOS 13.0 (Ventura) or newer
- Available for download via the Mac App Store
Main features
- Generates audio from AI replies so you can listen to responses
- Transcribes speech locally when offline for private voice input
- Offers shortcuts and quick actions to edit or manage conversations
- Receives regular updates that add features and address bugs
- Small installation size (about 11.7 MB), so it’s lightweight on disk
- Primarily presented in English and includes optional in‑app purchases
- User reviews and ratings are published in the store to help gauge satisfaction
How it fits into your workflow
Heydi is designed for quick interactions: use voice dictation or paste text from other apps to start a chat. Its Mac-style interface aims to match system conventions so it feels familiar to regular macOS users. The offline transcription and audio playback features let you work without being tied to a browser.
Pricing and alternatives
- In-app purchases are available to unlock certain capabilities.
If you’re looking for a paid alternative, consider Charstar — a commercial option that may offer a different set of features or pricing.
Technical
- Web App
- Full