OTO Navi - Sound Navigator

OTO Navi - Sound Navigator is a learning-focused audio reader that turns books and study materials into easy, navigable listening. Ideal for students, busy readers, and language learners, it helps you absorb content hands-free and stay focused. Core features - Natural text-to-speech for ebooks, PDFs, and articles with adjustable speed and multiple voices - Smart navigation with chapters, bookmarks, and highlights for quick jumps and precise resume - Study-friendly tools including repeat segments, vocabulary support, and offline listening Why it’s different - Clear, natural voices for long-form listening - Efficient navigation designed for reading and learning - Versatile for audiobooks, study notes, and language practice with TTS reader and audiobook player keywords for better discovery