Private · On-device · Whisper AI
Turn audio into text, privately.
Fast, private, on-device Whisper AI transcription for Mac, iPhone and iPad.
Private by design, powered by Whisper.
Sussurro (Italian for “whisper”) converts audio to text with cutting-edge AI models, entirely on your device. No audio uploads, no transcripts stored externally, and absolutely no analytics — just seamless, secure transcription of great quality, with total privacy.
Everything happens on your device. Your audio and text stay yours, always.
Sussurro downloads and runs OpenAI’s state-of-the-art Whisper models locally for accurate speech-to-text.
Native on Mac, iPhone and iPad, and optimized for Apple silicon and the Neural Engine for fast, efficient processing.
Right at home on every Apple platform.
Your balance of speed and quality.
Sussurro makes model selection simple — no AI expertise required. Download a model in-app once, then transcribe offline forever. Here’s the line-up, straight from the app.
Very good quality at reasonable performance — the best all-round choice on Mac.
Excellent performance with decent quality — a great everyday balance, recommended on iPhone and iPad.
Great performance with acceptable quality — light on resources.
The fastest of all, at the cost of fidelity — handy for quick drafts.
Fast, accurate, flexible.
From recording to ready-to-paste text in a few taps.
Select from multiple AI models to balance speed and accuracy. Sussurro keeps it simple and easy to understand — no AI expertise required.
Download models in-app once. After the first time, you won’t need any Internet connection to transcribe.
Load and transcribe existing audio files, or capture audio directly in the app and transcribe it right away.
When you’re done, copy the text, save it to a file, or share it to any application.
Try for free. Own it forever.
No subscriptions. A single, affordable in-app purchase unlocks every Apple device you own — Family Sharing included.
- Preview any model with complete real-time transcription during processing
- See the first 300 characters of the final transcription
- No account, no sign-up, no analytics
- Unlimited transcription across all your Apple devices
- No subscriptions and no hidden fees, ever
- Family Sharing — your family members get full access too
The honest details.
- Sussurro’s Privacy Policy & Terms are written by a human (me, Cesare, hi!) to be read by other humans — and you should read them.
- Sussurro relies on OpenAI’s Whisper models, distributed under the MIT license. OpenAI is neither involved nor affiliated with this app.
- Whisper models can be quite large — download them only when you won’t incur costs from your provider.
- Transcription speed depends on your device’s performance and the model you choose.
- Accuracy greatly depends on the source audio quality and the model chosen for transcription.
- Transcriptions may include errors, including significant mistakes.
- Sussurro does not separate different speakers and does not format the output text.
Transcribe with confidence — privately, efficiently, forever.
Download Sussurro today on Mac, iPhone and iPad.