Reading was never meant to be a solitary act.
Sumbola is a social reading platform where you read great books and discover that you are never reading alone. Open any book and see the other readers moving through it with you — where they are in the world, and where they are on the page.
READ 43,000+ BOOKS, FREE
A library of over 43,000 classic and public-domain books from more than 19,000 authors — literature, philosophy, science, poetry, history, adventure, horror, and more. No subscription. No credit card. Start reading in seconds.
SEE THE WORLD READING
Every book has a living map. Open the reader globe and watch the readers of that book appear across the planet. Reading becomes something you share with people who love the same story.
A READER BUILT FOR LONG HOURS
• Three page colours — Day, Tan, and Night
• Eleven reading fonts, including Atkinson Hyperlegible, designed for maximum legibility
• Adjust text size and line spacing to exactly what your eyes want
• Your place is kept automatically, on every device you sign in on
MAKE THE BOOK YOURS
• Highlight passages in colour and keep them in one place
• Write private notes as you read
• Bookmark pages worth returning to
• Track the characters and places a story moves through
BUILD A READING LIFE
• Shelve books as Reading, Want to read, or Finished
• Follow your reading statistics, streaks, and goals
• Rate and review the books you finish
• Follow other readers and see what they are reading
COMMUNITIES OF SHARED INTEREST
Join or start a COSI — a community that forms around a book, a theme, or a question. Discuss what you are reading with people who care about the same ideas.
READ OFFLINE
Download any book to your device and keep reading on a plane, on the metro, or anywhere with no signal. Your progress syncs when you reconnect.
MEASURED BOOKS
Almost every book in the catalogue carries a Sumbola Index — a measure of its depth, pace, and immersion — so you can find a book that matches the kind of reading you are in the mood for.
PRIVATE BY DESIGN
• Lock the app with Face ID or your fingerprint
• Delete your account and your data at any time, from inside the app
• No ads. No third-party trackers. We do not sell your reading history
EXPLORE WITHOUT AN ACCOUNT
Browse the whole catalogue, open book pages, explore authors, and sample any book before you decide to sign up. An account is free, and it is what keeps your library and your place in every book.
Create • Share • Inspire
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