Sumizeit Key Features

15-minute Multi-format Summaries

Professional, human-written summaries that distill bestselling nonfiction books into clear, structured lessons you can read in ~15 minutes or less.

Consume summaries in the format you prefer — readable text, narrated audio for commutes, or short video explainers for quick visual learning.

Daily content suggestions tailored to your interests, plus tracking, streaks, and rewards to help build and maintain a consistent learning habit.

Short quizzes and reinforcement features after each summary to improve retention and help you recall the core ideas.