Read a page. Then talk about it.
A short book rewritten to your level. Tap any word, hear it read, then say what you think out loud to a tutor that read the same page.
Reading, listening, and tap-to-translate are free for good. The voice tutor is $9.99 a month or $79 a year after the trial.
Sotto est un livre gratuit et adapté. Vous choisissez une langue et un niveau, puis vous lisez. Touchez un mot pour le traduire.
Sotto Pick a language and a level. The book is rewritten to fit. Books are machine-adapted drafts and their levels are estimates.
adapté
graded: rewritten at your level
Save for laterPourquoi le livre est-il « adapté » ?
Parce qu'il est réécrit pour mon niveau.
Reading, listening, tap-to-translate, and saved words are free.
Sotto's tutor. Nothing to install, nothing to set up. Talk about the page the moment you finish it. $9.99 a month or $79 a year, free for the first 3 days. Start the trial. No transcripts or recordings are kept, only minutes used.
Your own key. Paste an OpenAI key in Settings and the page calls OpenAI directly from your browser. The key stays on this device and OpenAI bills you. How it works
On this device. Free. The tutor runs on models downloaded into your browser, so nothing leaves the device. Needs a recent laptop and a large first download; slower and less accurate than the plan.
On your own machine. Free, on your own hardware.
docker compose up
serves the app and the tutor from one origin, with local models or your own key.
Self-hosting guide
Tap any word for its meaning.
Save it and the mark stays on the page.
Hear the story read aloud.
Each word fills in as it is spoken.
Talk about the passage with a voice tutor that already knows what you read.
Say what you think out loud.
The tutor is the part you pay for. The rest stays free.
Pick where it runs: Sotto's server, your own key, or this device.
See it working
Install Sotto
- Open readsotto.app in Chrome or Safari.
- Look for an install option in the browser's menu or address bar ("Install app" or "Add to Home Screen").
- Open Sotto from where it installed.
- Open readsotto.app in Safari. Tap More, then Share (or tap Share directly if it is visible).
- Scroll to "Add to Home Screen." Turn on "Open as Web App" if it appears, then tap "Add."
- Open Sotto from your Home Screen.
- In Chrome, open the menu (⋮).
- Tap "Install app."
- Open Sotto from your home screen or app drawer.
- In Chrome, click the install icon in the address bar (or the menu, then "Install Sotto").
- Confirm "Install."
- Sotto opens as its own window.
A book you have opened keeps working offline.