Read together. Share progress. Get sats.Read together.
Share progress. Get sats.

ZapBook is a mobile reading application where finishing a book earns real Bitcoin. Readers read, pass comprehension milestones, and get zapped sats directly from their reading circle. No platform tokens. Real money.

01

Read the BookRead the Book

A distraction-free, beautifully formatted reading screen. Our smart local reading engine tracks active page dwell time, pacing, and micro-interactions to verify genuine reader engagement.

02

Pass the MilestonePass the Milestone

When readers reach a checkpoint, a comprehension quiz is dynamically generated to prove comprehension. (Coming soon: quiz generation runs entirely on-device using a local AI model for offline privacy.)

03

Get Zapped SatsGet Zapped Sats

Correct answers automatically trigger instant microtransactions (zaps) sent straight to their wallet address via Lightning.

Reading is more powerful within a circle.Reading is more powerful within a circle.

A circle is simply a Marmot Protocol group—a private, secure space for families, classrooms, or book clubs. Zap each other to encourage reading progress and fuel productivity, tracking progress together trustlessly while keeping all profile data completely offline and secure.

Download from ZapStore: https://zapstore.dev/apps/space.zapbook.app

Download from GitHub: https://github.com/codeswot/ZapBook/releases

Contribute: https://github.com/codeswot/ZapBook