Professional voice-to-text transcription for Mac
Your emails, recaps, and brainstorms should be written before your fingers reach the keyboard. oto writes alongside you in real time through meetings, interviews, and bursts of ideas—delivering polished text entirely on your Mac with Neural Engine accuracy and zero cloud uploads.
Turn a day of typing into ten minutes of speaking.
Apple Silicon & Intel • Private by design • Built for deadlines
Projects stall, inboxes pile up, and ideas slip away when every word depends on a keyboard.
Hours disappear replaying audio, crafting recap emails, and rewriting the same message for every channel.
Speak once and send polished notes, emails, and docs minutes later—no uploads, no waiting.
People talk faster than they type.
oto turns that speed into written words you can send, publish, or file instantly—without ever touching the cloud.
Optimized for Apple silicon. Built for macOS.
Transcribe clean speech with near‑perfect accuracy. Instant and offline.
Your voice never leaves your Mac. No cloud. No tracking.
Just yours. Forever.
Powered by the Neural Engine with Metal GPU acceleration for up to 10x faster transcription.
Auto‑detect languages or choose one for best results.
View all languages →Replay audio, view transcripts, copy text, delete entries, or jump to the original file.
Start and stop from anywhere with customizable shortcuts.
Teach oto names and phrases for a perfect match to your voice.
Drop in recordings for instant, clean transcripts.
Paste into any app. No switching required.
Express yourself with the fluency you have, write with the precision you need.
oto understands heavy accents, dialects, and foreign languages. Express complex ideas in your native tongue, get professional English text instantly. Perfect for emails, documents, and academic writing.
Trained on diverse speech patterns. Whether it's Indian English, Chinese English, or Spanish-accented English, oto understands you.
Stop the exhausting process of translating thoughts before speaking. Think and speak naturally, let oto handle the English.
You speak:
"Necesitamos reorganizar la estrategia de marketing para el próximo trimestre."
You get:
"We need to reorganize the marketing strategy for next quarter."
You speak:
"このプロジェクトにはもっと時間が必要だと思います。"
You get:
"I think this project needs more time."
Your voice, your hardware, your rules.
One-time payment
30-day money-back guarantee. No questions asked.
Straight answers about privacy, pricing, and performance.
oto transcribes 100% offline on your Mac - cloud services send your voice to remote servers. All AI processing happens locally on your Mac's Neural Engine or GPU with no internet required. Your conversations remain private on your device forever, unlike cloud transcription which uploads your voice data to third-party servers.
You pay $30 once and own oto forever - no monthly subscriptions or recurring fees. One purchase includes all future updates, performance improvements, and bug fixes with no features locked behind tiers. Typical transcription subscriptions cost $8-25/month ($96-300/year), so oto pays for itself in 2-4 months while remaining yours permanently.
Completely private - your voice never leaves your Mac. oto runs AI models entirely on your device with zero telemetry, zero cloud services, and zero network requests. No data is collected, stored remotely, or shared with third parties, giving you complete data sovereignty.
Support for 100 languages through AI models. Voice Activity Detection works across all languages. Automatic language detection with confidence scoring available.
oto uses OpenAI's Whisper models and learns your vocabulary. Add your name, company terms, or specialized phrases so they're always spelled correctly. With clean audio, you'll get 97% accuracy. Speak clearly in a quiet environment for best results.
WAV, MP3, M4A, AIFF, AAC, FLAC, and CAF formats supported now. Drag & drop any audio file for transcription—still completely private & offline.
macOS 13.0+ with any Mac delivers great performance. Apple Silicon (M1/M2/M3) provides optimal Neural Engine acceleration. Intel Macs supported with GPU acceleration. 4GB RAM minimum, more recommended for larger models.
oto can do both! It transcribes English with heavy accents perfectly, and can also translate from 100 languages directly into English text. Speak in Spanish, get English. Speak English with an accent, get clean English text.
Yes, oto works 100% offline after initial download - no internet connection required. All AI models and processing run entirely on your Mac's Neural Engine or GPU. You can transcribe on airplanes, in remote locations, or anywhere without WiFi. The only time oto needs internet is for the initial App Store download and optional model updates.
oto is the best transcription app for: