Comparison

Obook vs LysnBox

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Obook

Features
Read full description

oBook is your AI reading assistant that turns written content into natural, clear audio so you can read smarter, faster, and anywhere. Listen to PDFs, EPUB books, documents, articles, and other written content with realistic AI voices while following along with the text. KEY FEATURES AI Text to Speech Turn written content into natural-sounding speech with realistic AI voices across multiple languages. Read Aloud Listen to your content instead of reading every word. Perfect for studying, working, commuting, relaxing, or improving accessibility. PDF & EPUB Support Import and listen to your PDF and EPUB books with an audio reading experience designed for long-form content. Control Your Reading Speed Slow down for better focus or speed up to get through more content in less time while keeping speech clear and natural. Smart Chapter Reading Books are automatically organized into chapters, making long-form reading easier to navigate and helping you stay focused on one section at a time. Follow Along While Listening Read and listen at the same time to better understand and retain important information. Reading Streaks & Reminders Build a consistent reading habit with daily streaks and reminders that help you keep coming back to your books and documents. Notes & Highlights Save important passages, highlight key ideas, and return to them whenever you need. Public Books Library Discover books from our public-domain library and start listening without needing to import your own content. Offline & Online Access your saved content whenever you need it, including when you are offline. Whether you're a student, professional, lifelong learner, or someone who simply prefers listening to reading, oBook helps make reading easier and more accessible. SUBSCRIPTION INFORMATION oBook Pro is available as a monthly or annual auto-renewable subscription. Payment will be charged to your Apple ID account at confirmation of purchase. Your subscription automatically renews unless canceled at least 24 hours before the end of the current subscription period. You can manage or cancel your subscription through your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.obookapp.com/statics/privacy-policy

About

LysnBox

Features
Read full description

LysnBox โ€” On-Device AI Audiobooks The future of AI is private and on-device โ€” and LysnBox brings it to your reading. It transforms your digital library into a premium, clutter-free listening experience, using modern on-device AI voice synthesis to read your EPUBs, PDFs, and web articles aloud in remarkably natural, expressive voices. No cloud. No account. No compromise. Why you'll love LysnBox: YOUR LIBRARY, IMPORTED IN SECONDS Bring DRM-free EPUBs, PDF documents, or any web article into a polished, distraction-free reader. Everything stays organized in one place โ€” and resumes exactly where you left off. NEXT-GENERATION ON-DEVICE NARRATION Forget the flat, robotic voices of old text-to-speech. LysnBox runs high-fidelity neural voice models directly on your iPhone's Neural Engine โ€” smooth, human-like narration built for long-form listening, now in 31 languages, from English, Spanish, and French to Japanese, Korean, Hindi, Arabic, and more. WORD-LEVEL HIGHLIGHTING & SPEED CONTROL Follow along with precise, synchronized word highlighting. Adjust playback from 0.8x to 2.0x, pitch-preserving โ€” no distortion, no chipmunk effect. BEAUTIFUL, MODERN DESIGN Curated light and dark themes, glassmorphic typography, fluid animations, and Lock Screen and Bluetooth controls for effortless background listening. TRULY PRIVATE โ€” OFFLINE-FIRST BY DESIGN In an era where most AI sends your data to the cloud, LysnBox does the opposite. Every word is synthesized entirely on your device โ€” no tracking, no accounts, no uploads, and no internet required to listen. Your library. Your voice. Your device. Start listening with LysnBox today.

Screenshots

Obook4 screens
LysnBox4 screens

Verdict

The call

The clearest difference is in-app purchases: LysnBox at none against Obook's 2. Obook's advantage is update cadence (every 4 days vs every 2 months) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Obook sells 2 in-app purchases, starting at $4.99 per month. LysnBox asks for nothing beyond the download.

UpkeepUpdate frequency

Obook ships an update every 4 days, LysnBox every 2 months. The most recent releases landed on October 26, 2026 and October 16, 2026 respectively.

Scorecard3 real differences ยท 3 level
Obook versus LysnBox: the parameters behind the verdict, then further details
ParameterObookLysnBox
PriceFreeFree
Update frequencyEvery 4 days โ€” betterEvery 2 months
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS15.1 โ€” better17.0
Further details โ€” not scored
Size56 MB28 MB
Age rating4+4+
DeveloperMHD AMIN ALLAHHAMJoseph Thekkekara

In-app purchases

2 purchases

Obook

Subscriptions2
  • Obook โ€“ AI Read Assistant Pro3 Days trial$4.991 Month
  • Obook AI Pro โ€“ Yearly7 Days trial$49.991 Year
None

LysnBox

No in-app purchases

Questions

Is Obook free?
Obook is free to download, with in-app purchases available.
Is LysnBox free?
LysnBox is free to download, with no in-app purchases.
Do Obook or LysnBox have ads?
Neither Obook nor LysnBox shows ads.
Which is updated more often, Obook or LysnBox?
Obook ships an update every 4 days, and LysnBox every 2 months. Most recently, Obook was updated on October 26, 2026 and LysnBox on October 16, 2026.

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