一
Japanese-first
Voice punctuation, filler removal, and technical dictionaries turn spoken Japanese into text you can use.
macOS 26+ · Apple Silicon
No Whisper
to carry.
Speak softly. It becomes text. Sotto turns Apple’s on-device recognition into fast, Japanese-first dictation.
Unlimited basic dictation. Your voice never leaves your Mac.
そsotto voce
Three principles
The quietest tools stay out of your way.
二
Lightweight
No multi-gigabyte Whisper bundle. Sotto uses the speech model managed by macOS and lives quietly in your menu bar.
三
Instant
Press, speak, release. Streaming recognition and a short in-memory pre-roll keep the beginning of every thought.
First minute
One permission at a time.
Guided setup covers microphone, speech recognition, and accessibility, then lets you try real dictation on the spot.
Sotto Pro
Free for the basics.
Pro when you want more.
Basic dictation stays free and unlimited. Pro adds industry dictionaries, L2 rewriting, per-app profiles, and screen context.
Read the license and update policy →Launch price
¥4,980
One year of updates included
14-day Pro trial
Private by design
Your voice stays on your Mac.
Recognition and correction run locally. No account is required. Screen images and full OCR text are never stored.
Privacy policyStart quietly