MetaBook

Sale Nov 5–15, 2026: US$1 once (regular US$4.99), in 174 countries/regions. Local prices vary. Create a book about a topic you're curious about on Android, then shape it as you read. Select a passage to ask a question, add an example, or rewrite it in place. Export as EPUB. Bring your own OpenRouter key; model usage is billed separately. No MetaBook subscription.