About this app
Sunao turns more than just PDFs into audio. Listen to EPUBs, Word documents, plain text, scanned pages, and web articles with natural AI voices designed for focused listening. Import a file, scan a page, paste text, or drop in a web URL, then press play and follow along with synced highlighting. Switch between the original PDF and Reader Mode, jump to any passage with a tap, adjust speed, and keep going from where you left off. Why people use Sunao: • Listen to PDFs, EPUBs, DOCX, TXT, and web articles • Scan printed pages and turn them into audio • Paste or type text and hear it read aloud • Follow along with synced word highlighting • Switch between Original PDF and Reader Mode • Tap any word or section to start listening from there • Choose from multiple AI voices • Adjust playback speed to match your pace • Customize font, text size, and highlight style • Organize your library and continue listening anytime Sunao is built for readers who want more flexibility from text to speech, whether you are studying, commuting, multitasking, reducing screen fatigue, or making reading more accessible. It is especially useful for long documents, articles, books, coursework, and everyday reading. It can also help users with dyslexia, ADHD, low vision, or anyone who prefers listening over reading. Privacy Policy - https://sunao.tangotreelabs.com/privacy TOS - https://sunao.tangotreelabs.com/terms
Latest release
What’s New
Unlimited reading, no token limit, improvements in PDF reading, more natural voice and bug fixes on this release.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 7, 2026 · 11:34 PM Free
Screenshots
