Pick any language on earth. If it's not listed, type it — the tutor builds the whole course from scratch, script and all.
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Where are you starting?
Be honest — the sprint calibrates its whole day around this.
Plug in the brain
Claude writes and grades every lesson. Fish Audio S2.1 Pro Free speaks it back to you. Your microphone is transcribed by the browser — free, no key needed.
Keys found on the server — nothing to enter.
Stored only in this browser. Get one at console.anthropic.com.
Powers fish-audio/s2.1-pro-free:free — free, 83 languages. Without it, Lingva falls back to your device's built-in voices.