AI Speech-to-Text

Purr

Purr is a free, open-source, on-device voice-to-text dictation app for macOS Apple Silicon with no cloud round-trips.

What is Purr?

Purr is an on-device speech-to-text dictation tool for macOS that transcribes audio locally using the Apple Neural Engine.

Purr vs Similar AI Tools

Pricing ModelFreeFree, FreemiumFree, PaidFree, Freemium
Free Credits
Key Features
  • On-device transcription using Apple Neural Engine (no cloud round-trips)
  • Zero telemetry and full privacy
  • Smart Typing: words appear as you speak
  • Voice and text journaling with on-device speech recognition
  • AI-powered mood analysis and theme extraction
  • Emotional weather view with 7, 30, and 365-day sentiment curves
  • AI-tailored questions from your CV and job description
  • Speech-to-text with real-time transcription and editing
  • Detailed feedback and scoring (0–100) across relevance, structure, examples, and communication
  • Works in every application on Mac, Windows, iPhone, and Android
  • AI auto-edits to remove filler words and polish text
  • Personal dictionary that learns unique words
Pros
  • 100% on-device, no internet needed after model download
  • Free and open-source (MIT)
  • 100% on-device: no cloud, no data collection
  • Voice and text input with automatic transcription
  • AI generates questions tailored to your specific CV and job description
  • Voice answer option with transcription editing for realistic practice
  • Works across all applications and devices
  • High accuracy and speed (4x faster than typing)
Cons
  • Requires macOS 14+ and Apple Silicon
  • Hotkey customization limited to built-in presets
  • Requires macOS 26.4+ and Apple Silicon only
  • Premium features (AI reflections, PDF export) are paid
  • Limited free credits (1 per day) may not be sufficient for intensive prep
  • Feedback may lack the nuance of a human coach
  • Pricing not transparent on website
  • Requires internet connection for AI processing
Best For
  • macOS users seeking a private, free, and open-source dictation alternative
  • Developers and privacy-conscious individuals who want on-device transcription
  • Privacy-conscious individuals who want a private journal
  • Mac users seeking AI-powered mood tracking
  • Job seekers preparing for interviews
  • Recent graduates
  • Professionals who type a lot (developers, writers, lawyers)
  • People with accessibility needs

How to use Purr?

  1. 1Hold the hotkey (Right Option by default).
  2. 2Speak naturally - transcription runs entirely on-device.
  3. 3Release to type directly into the focused app. Enable Smart Typing for real-time word-by-word transcription.

Purr Key Features

  • On-device transcription using Apple Neural Engine (no cloud round-trips)
  • Zero telemetry and full privacy
  • Smart Typing: words appear as you speak
  • Two engines: Parakeet v2 (streaming) and WhisperKit (non-streaming)
  • Custom dictionary support
  • Meeting mode: captures system audio for remote participants
  • MIT licensed, free and open-source

Purr Use Cases

  • Hands-free dictation in any text field (Slack, Notes, Mail, Messages)
  • Meeting transcription on macOS with system audio capture
  • Accessibility tool for users with repetitive strain injuries
  • Private, offline voice-to-text for sensitive information

Purr Pricing & Free Credits

Purr currently operates on a Free model.

This tool is completely free to use

Free

$0

Fully free, open-source, MIT-licensed. No subscriptions, no telemetry.

Purr Pros & Cons

Pros

  • 100% on-device, no internet needed after model download
  • Free and open-source (MIT)
  • Low latency with Parakeet streaming engine
  • Privacy-focused: no audio leaves your Mac

Cons

  • Requires macOS 14+ and Apple Silicon
  • Hotkey customization limited to built-in presets
  • Only English with Parakeet; other languages need WhisperKit (non-streaming)

What is Purr best for?

  • macOS users seeking a private, free, and open-source dictation alternative
  • Developers and privacy-conscious individuals who want on-device transcription
  • Users with repetitive strain injuries needing voice input

Purr FAQ

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