BookFriends
Made for phones
Reading
Swipe to the next chapter, choose dark, light or sepia, and tap the bubble after any paragraph to see what your friends said.
What's new
The shelf opens on what happened while you were away. Comments from chapters you haven’t reached show up without their text.
Bookshelf
Every cover shows which friends are reading it and where. Installed on the home screen, it saves the next chapters to read offline.
What it does
Every paragraph gets its own bubble , spoilers stay blurred until you get there, your bookmark follows you , and the next chapters wait offline 
for the subway.
Also @mentions, phone notifications, search inside a book, ratings and reviews, book requests and three languages.
Every feature, in the READMEThe numbers
151 KB
to open the shelf for the first time on mobile data. It was 1.7 MB before small covers and compressed pages.
164
automatic checks before every release: unit tests, and a real browser at phone and computer sizes.
3
languages, picked from the browser: Português, Español and English.
Built with an AI
Asked for in plain words
Every line of code was written by Claude Code, from requests like “the bar jumps when I scroll up on my phone” or “make the dark theme look like this screenshot”.
Small, cheap and backed up
Node.js, Express and SQLite on a free 1 GB server. Everything is copied every night to a PC at home, and GitHub sends an email if the site goes down.
Opens WhatsApp, or your phone’s share menu, with the invitation and the link ready to send.
Pedro 3 hours ago
Jonathan. Buddy. When a terrified old lady asks what day it is, you listen.
Ana 2 hours ago
He’s too busy writing down chicken recipes for Mina.