Megaphone
Free, private, on-device Mac dictation app with live transcription and AI cleanup.
What is Megaphone?
Megaphone is an AI Writing tool. Free, private, on-device Mac dictation app with live transcription and AI cleanup. It is available on macOS. It is aimed at writers, developers and professionals.
Megaphone is a free, open-source Mac dictation app that provides live on-device speech-to-text using Apple SpeechAnalyzer. It includes AI-powered cleanup of filler words and stutters, app-aware tone and formatting, and supports multiple languages. The app focuses on privacy by keeping data local and offers features like a personal dictionary and configurable shortcuts.
Built for writers, developers, professionals and students.
Key capabilities
Features
Live On-Device Speech-To-Text
Provides real-time transcription using Apple SpeechAnalyzer.
Smart Filler-Word Cleanup
Inline AI
Powered by Apple Foundation Models for context-aware processing.
App-Aware Tone And Formatting
Multiple Language Support
Configurable Shortcuts
Allows customization of hold-to-talk and toggle shortcuts.
Smart Cleanup
Multiple Languages
Dictionary
Memory
Voice Commands
Cursor-Aware Interaction
Use cases
- Transcribe spoken text into clean, formatted documents
- Clean up filler words and stutters in voice recordings
- Use app-aware formatting to maintain consistent tone across applications
- Support multiple languages for international communication
- Customize shortcuts for efficient voice-to-text input
- Maintain a personal dictionary for frequently used terms
Popular use cases
Who it's for
Pros & cons
Pros
- Free and open-source software
- On-device processing for privacy
- Supports multiple languages
- Public API available
Cons
No documented limitations yet.
AI models
- GPT 5
Developer & API
FAQ
What is Megaphone?
Megaphone is an AI Writing tool. Free, private, on-device Mac dictation app with live transcription and AI cleanup. Megaphone is a free, open-source Mac dictation app that provides live on-device speech-to-text using Apple SpeechAnalyzer. It includes AI-powered cleanup of filler words and stutters, app-aware tone and formatting, and supports multiple languages. The app focuses on privacy by keeping data local and offers features like a personal dictionary and configurable shortcuts.
Does Megaphone have an API?
Yes, Megaphone offers a public API for building custom integrations.
What platforms does Megaphone support?
Megaphone is available on macOS.
Who should use Megaphone?
Megaphone is built for writers, developers, professionals and students. Common uses: transcribe spoken text into clean, formatted documents, clean up filler words and stutters in voice recordings, use app-aware formatting to maintain consistent tone across applications and support multiple languages for international communication.
Is Megaphone open source?
Yes, Megaphone is open source under the MIT license.
What are the best alternatives to Megaphone?
Similar tools on AiByts include Wave, OpenAI Operator, AI Dictation, aiApply and GPT zero.
Details are compiled from Megaphone's website and public sources, last verified Oct 5, 2026. Features and pricing change — confirm on the official site before you buy.
Try Megaphone
Visit the official website
Tags
- Private Dictation
- Apple SpeechAnalyzer
- Apple Foundation Models
- Open Source
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