Oto
Professional voice-to-text with offline on-device processing
Overview
Oto is a professional voice-to-text transcription app for macOS featuring completely offline, on-device processing using WhisperKit and Neural Engine acceleration. With 97% accuracy across 100+ languages, automatic language detection, and complete transcription history with audio replay, Oto ensures your voice never leaves your Mac. Supports custom global hotkeys for quick access from any application and accepts various audio file formats.
Pricing: $30 (lifetime updates, 30-day money-back guarantee)
Minimum macOS: 13.0 (Ventura)
Architecture: Apple Silicon, Intel
Key Features
- 97% transcription accuracy
- 100+ language support with automatic detection
- Completely private - voice never leaves your Mac
- Offline functionality after initial download
- Metal GPU acceleration for fast processing
- Complete transcription history with audio replay
- Custom global hotkeys for quick access
- Audio file upload support (WAV, MP3, M4A, AIFF, AAC, FLAC, CAF)
- Vocabulary learning for names and specialized terms
- Works with any macOS application via clipboard
Tags
Oto Alternatives
Sotto
Native macOS voice dictation powered by local AI
Tota
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Katari
Type at the speed of sound with local WhisperKit transcription
Whisper Transcript
On-device speech-to-text powered by Apple Foundation Models