AI Speech-to-Text
Megaphone
Private, context-aware dictation for Mac that transcribes and rewrites speech using on-device AI.
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Megaphone
What is Megaphone?
Megaphone is a free dictation app for macOS that uses Apple's on-device Foundation Models to transcribe speech and rewrite it directly at the cursor.
Megaphone vs Similar AI Tools
| Pricing Model | Free | Free | Free, Freemium, Free Trial | Free |
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How to use Megaphone?
- 1Install Megaphone on Mac (requires macOS 26 and Apple Silicon).
- 2Press the fn key to start dictation.
- 3Say "Hey Megaphone" followed by an instruction like "make that formal" to rewrite text.
- 4Add custom terms to the personal Dictionary for improved accuracy.
- 5Use Smart Cleanup to automatically remove filler words.
Megaphone Key Features
- On-device dictation with SpeechAnalyzer
- Smart Cleanup to remove filler words
- Personal Dictionary for custom terms
- Multiple language support (30 locales)
- Screen Awareness to adapt to active app context
- Hey Megaphone voice command for rewriting
Megaphone Use Cases
- Dictating emails with tone adjustment
- Taking notes with automatic cleanup
- Writing code comments or documentation
- Composing messages in Slack or other apps
- Transcribing meetings locally
Megaphone Pricing & Free Credits
Megaphone currently operates on a Free model.
This tool is completely free to use
Megaphone Pros & Cons
Pros
- On-device processing ensures privacy
- No API key or cloud subscription needed
- Seamless cursor integration
- Smart Cleanup handles filler words well
- Personal Dictionary improves accuracy
Cons
- Requires macOS 26 and Apple Silicon
- Limited to Apple's on-device models
- No cloud sync for dictionary
What is Megaphone best for?
- Mac users who want private dictation
- Professionals writing emails and documents
- Developers who need hands-free coding input
- Anyone wanting to avoid subscription fees