# Echosy > Private, offline audio transcription and dictation app for macOS. Echosy is a macOS desktop application that captures system audio and microphone input, transcribes speech using on-device AI models, and provides AI-powered summaries and universal dictation — all without any data leaving your Mac. ## Key Facts - **Platform:** macOS 14+ (Sonoma and later) - **Architecture:** Apple Silicon and Intel supported - **Privacy:** 100% on-device processing. No audio data ever leaves your Mac. - **Offline:** Works without internet. No cloud dependency for core features. - **ASR Models:** 10 on-device models across 3 backends (Qwen3-ASR, MLX Whisper, Whisper) - **Languages:** 24+ transcription languages, 5 UI languages (English, Chinese Simplified, Chinese Traditional, Japanese, Korean) - **Price:** Free tier available. Pro is a one-time $24.90 USD purchase. Enterprise for commercial use. ## Core Features - **Live Transcription:** Real-time speech-to-text with timestamps from system audio and microphone - **Universal Dictation:** System-wide dictation with customizable hotkey (Cmd+Shift+D). Text pastes at cursor in any app. - **System Audio Recording:** Captures audio from any macOS application via ScreenCaptureKit - **AI Summaries:** Streaming summaries via OpenAI, Gemini, Ollama, or any compatible API - **Text Enhancement:** Auto-translate, fix punctuation, or apply custom prompts to transcripts - **Chat with AI:** Ask questions about your transcript and get instant answers - **File Transcription:** Drag & drop WAV, MP3, MP4, MOV, M4A and 20+ other formats - **Session History:** Browse, search, and replay past recordings - **Export:** Markdown, TXT, SRT, VTT, DOCX, PDF ## Privacy Details - All audio capture, transcription, and dictation happen entirely on-device - AI models (Whisper, Qwen3-ASR) run locally on your Mac's GPU - No analytics, telemetry, or tracking - Optional AI summaries can use local LLMs (Ollama) for complete offline operation - License validation transmits only the license key — no audio or usage data - Recordings stored locally in user-chosen workspace folder ## On-Device ASR Models | Model | Size | Languages | Speed | |-------|------|-----------|-------| | Qwen3-ASR 0.6B | ~1 GB | 52 | Fast | | Qwen3-ASR 1.7B | ~2 GB | 52 | Moderate | | MLX Whisper Small | ~500 MB | 99+ | Very Fast | | MLX Whisper Large Turbo | ~2 GB | 99+ | Fast | | MLX Whisper Large v3 | ~3 GB | 99+ | Moderate | | Whisper Tiny | ~75 MB | 99+ | Very Fast | | Whisper Base | ~140 MB | 99+ | Fast | | Whisper Small | ~460 MB | 99+ | Moderate | | Whisper Medium | ~1.5 GB | 99+ | Slow | | Whisper Large v3 | ~3 GB | 99+ | Very Slow | ## Pricing - **Free:** $0 — 15 min recordings, Qwen3-ASR 0.6B, 3 summaries/day, basic exports (MD, TXT) - **Pro:** $24.90 one-time — 4 hour recordings, all 10 models, unlimited summaries, file transcription, advanced exports (SRT, VTT, DOCX, PDF), up to 3 devices - **Enterprise:** Contact sales — required for business, team, or commercial use ## Links - Website: https://echosy.org - Privacy Policy: https://echosy.org/privacy - Terms: https://echosy.org/terms - Discord: https://discord.gg/hnakzMYh - Contact: inquiry@echosy.org