Study
packs
Each topic reveals one step at a time, with “Your turn” questions to try before the answer, a writing pad, and AI marking on your own key. What you write stays on your device.
Packs by module
One pack per module, in sections. Progress is saved on this device.
Your own pack
Made a pack file from the template yourself? Open it here. The file is read in your browser and never uploaded.
AI marking
Bring your own key
Marking, checking and explanations use your own key from Google Gemini (free tier) or Anthropic Claude (paid). NWYou never sees your notes or your key. Your provider does see what you send it, and Gemini's free tier may use it to improve Google's products.
Set it up inside any pack: Connect AI · Privacy