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LysnBox
Turn books, PDFs & articles into audiobooks, fully offline
LysnBox reads your EPUBs, PDFs, web articles and pasted text aloud with natural AI voices that run entirely on your iPhone. No cloud, no API keys, no subscription: speech is synthesized live on the Apple Neural Engine in 31 languages. Follow along with word-level highlights, resume exactly where you left off, and control playback from the lock screen or Bluetooth headphones. Free on the App Store and open source (MIT).
Top comment
Hi Product Hunt! 👋 I built LysnBox because I had a growing pile of EPUBs, PDFs and saved articles and never enough time to sit down and read them. Existing read-aloud apps either sounded robotic or sent my books to a cloud API and charged per minute. So LysnBox does everything on-device: • Import an EPUB, PDF, web link or pasted text and tap play, with no conversion step • Natural AI narration in 31 languages, powered by Supertonic 3 on the Apple Neural Engine • Nothing leaves your phone and no audio is stored to disk • Word-level highlights, 0.8x–2x speed, and it resumes exactly where you left off • Lock screen and Bluetooth controls for listening on the go It's free on the App Store and fully open source (MIT), so you can build it yourself too. I'd love your feedback: which voices, languages or formats should I add next?
About LysnBox on Product Hunt
“Turn books, PDFs & articles into audiobooks, fully offline”
LysnBox was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #321 on the daily leaderboard. LysnBox reads your EPUBs, PDFs, web articles and pasted text aloud with natural AI voices that run entirely on your iPhone. No cloud, no API keys, no subscription: speech is synthesized live on the Apple Neural Engine in 31 languages. Follow along with word-level highlights, resume exactly where you left off, and control playback from the lock screen or Bluetooth headphones. Free on the App Store and open source (MIT).
On the analytics side, LysnBox competes within iOS, GitHub, Books and Audio — topics that collectively have 277.4k followers on Product Hunt. The dashboard above tracks how LysnBox performed against the three products that launched closest to it on the same day.
Who hunted LysnBox?
LysnBox was hunted by Joseph Ipe Thekkekara. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of LysnBox including community comment highlights and product details, visit the product overview.