Solver

Solver turns reading into a social and intelligent experience. Access over 70,000 free books, read with friends, train your speed, and learn more from every page. 70,000+ FREE BOOKS Explore a massive catalog of world literature classics at no cost. Search by title, author, or genre and start reading in seconds. SMART READING FRAGMENTS Solver splits any book into fragments sized for your moment: a sentence, a paragraph, or a page. Reading modes such as traditional, immersive, focused, and audio. INSTANT AUDIOBOOK Turn any book into an audiobook with built-in Text-to-Speech. Multiple voices, adjustable speed, and keep listening where you stopped. READ TOGETHER Find reading partners with the Buddy system, create reading clubs with discussions and book votes, and follow what your friends are reading in the social feed. AI COPILOT (BETA) Chat with a copilot that knows the book: ask questions without spoilers, recap the story so far, and explore concepts with quizzes, flashcards, and knowledge maps. READING TRAINING (BETA) Eye-gym exercises and training programs to read with more comfort and speed. CHALLENGES & ACHIEVEMENTS Unlock achievements for reading milestones, keep your day streak, and join challenges with other readers. SMART ANNOTATIONS Multicolor highlights, notes, and bookmarks. Export your annotations and see statistics about your habits. BRING YOUR OWN BOOKS Import your files and read everything in one place, with the same progress and annotations. READING STATISTICS Reading time, pages per session, frequency, day streaks, and community comparison. OFFLINE & SYNCED Read without internet. Everything syncs automatically when you reconnect. ACCESSIBLE FOR ALL High contrast, large text, reduced motion, and screen reader support. Solver is free. The Solver Pro subscription unlocks advanced features.