Lumlu Reader
In-app purchases
Everyone
info
10+
Downloads
About this app
Lumlu Reader is the best way to learn dense PDFs.
Drop in a textbook, paper, or lecture slides. Read your way, highlight what matters, and turn exact quotes into flashcards and notes. Spaced repetition brings each card back right before you’d forget — fully offline, no account required.
When a detail slips, one tap puts you back on the page it came from.
FREE FOREVER
• Full PDF reader — scroll or turn pages, Day or Night
• Highlights, notes, and your own flashcards
• Read-aloud with word highlighting
• Offline spaced repetition (FSRS)
• Send or receive study sets by file or link — sharing is free
• Try AI study: 5 credits on this device, 10 more when you sign in, then 5 each month
• No account required
PREMIUM = SYNC · AI
• Same library and progress on every device when signed in
• Higher daily AI — around 30 generations a day
• $3.99/month or $35.99/year (save 25% yearly)
• 7-day free trial on monthly Premium for new subscribers
Same Lumlu on phone, tablet, and your computer. Desktop downloads (macOS, Windows, Linux) are on lumlu.app.
Drop in a textbook, paper, or lecture slides. Read your way, highlight what matters, and turn exact quotes into flashcards and notes. Spaced repetition brings each card back right before you’d forget — fully offline, no account required.
When a detail slips, one tap puts you back on the page it came from.
FREE FOREVER
• Full PDF reader — scroll or turn pages, Day or Night
• Highlights, notes, and your own flashcards
• Read-aloud with word highlighting
• Offline spaced repetition (FSRS)
• Send or receive study sets by file or link — sharing is free
• Try AI study: 5 credits on this device, 10 more when you sign in, then 5 each month
• No account required
PREMIUM = SYNC · AI
• Same library and progress on every device when signed in
• Higher daily AI — around 30 generations a day
• $3.99/month or $35.99/year (save 25% yearly)
• 7-day free trial on monthly Premium for new subscribers
Same Lumlu on phone, tablet, and your computer. Desktop downloads (macOS, Windows, Linux) are on lumlu.app.
The best way to learn dense PDFs — cards, notes & spaced review
Updated on
Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
What’s new
What's new in Lumlu Reader 1.1.1
• Faster first page on high-resolution screens and when zooming
• PDFs with transparency effects now render correctly
• Lower memory use and fewer redraws with large scanned PDFs
• Search handles special letters (like İ or ς) the same way on every platform
• Collections: decks imported into a collection stay in it, and Stop sharing says whether the link was turned off
• Smoother return from a book to your collection or Library
• General polish and bug fixes
• Faster first page on high-resolution screens and when zooming
• PDFs with transparency effects now render correctly
• Lower memory use and fewer redraws with large scanned PDFs
• Search handles special letters (like İ or ς) the same way on every platform
• Collections: decks imported into a collection stay in it, and Stop sharing says whether the link was turned off
• Smoother return from a book to your collection or Library
• General polish and bug fixes
App support
phone
Phone number
+19844067417
About the developer
Lumlu LLC
support@lumlu.app
2920 Forestville Rd Ste 100
Raleigh, NC 27616-8774
United States
+1 984-406-7417