Comparison

BookGrass vs Lu Reader

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

Head to head
About

BookGrass

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Build your reading habit, one tap at a time. BookGrass is the simplest way to track your daily reading. No complicated features, no book databases to manage โ€“ just tap when you read and watch your grass grow. โ–  SIMPLE TRACKING Tap once to mark today as read. That's it. No page counts, no timers, no lengthy forms. Reading should be enjoyable, and so should tracking it. โ–  VISUALIZE YOUR PROGRESS See your reading history as a beautiful grass grid. Each green square represents a day you read. Watch your garden grow over 3 months and feel the satisfaction of building a habit. โ–  STAY MOTIVATED - Track your current reading streak - See your total reading days - Don't break the chain โ€“ keep your grass alive! โ–  POWERFUL WIDGETS Add BookGrass widgets to your home screen: - Small: This week's progress + streak count - Medium: One month view - Large: Full 3-month grass grid with stats Tap directly on widgets to record your reading without even opening the app. โ–  SHARE YOUR ACHIEVEMENT Proud of your reading streak? Share your grass grid image with friends and inspire others to read more. โ–  PRIVACY FIRST All your data stays on your device. No account required, no data collection. --- Start growing your reading grass today. One tap, one day, one book at a time.

About

Lu Reader

This application offers a streamlined reading experience for various document and e-book formats, including EPUB and PDF. It features customizable reading settings, text-to-speech functionality, and smart library management. Users can back up their data to Google Drive.

Highlights
  • Supports EPUB, PDF, TXT, DOC, FB2, HWP, ZIP, CBZ
  • 11 customizable color themes
  • Adjustable font size, line spacing, and margins
  • In-app brightness control
  • Text-to-speech with adjustable speed
  • Automatic table of contents generation
  • Smart library with sorting and search
Features
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Lu Reader is a fast, clean, all-in-one reader for your documents and e-books - with no clutter and no sign-up required. SUPPORTED FORMATS - Text and e-books: TXT, EPUB, PDF, FB2, DOC, DOCX, HWP, HWPX - Archives containing text files: ZIP, CBZ COMFORTABLE READING - 11 color themes (cream, sepia, mint, black, navy and more) - Fine-tune font size, line spacing and margins - In-app brightness control for reading in the dark - Keep-screen-on, screen rotation and immersive full-screen mode VOICE READING (TTS) - Listen to any text with the current sentence highlighted - Adjustable speed from 0.6x to 2.0x - Choose from voices installed on your device - Sleep timer to stop automatically AUTOMATIC TABLE OF CONTENTS - Builds a chapter list even for plain TXT files - Detects multilingual chapter patterns - Jumps to and highlights the current chapter SMART LIBRARY - Add files from the Files app or the in-app file browser - Reading progress percentage and progress bar - Sort by name, date or progress, and search by filename - Bookmark your position; select a word for dictionary and translation - Auto-scroll and in-text search BACKUP & RESTORE - Safely back up your books, reading positions, bookmarks and settings to your own Google Drive - Restore everything on a new device Lu Reader keeps the focus on reading. Download it and enjoy your library, your way.

Screenshots

BookGrass4 screens
Lu Reader4 screens

Verdict

The call

The clearest difference is ads: BookGrass at none against Lu Reader's shown. BookGrass also leads on update cadence (daily vs weekly). Lu Reader's advantage is iOS requirement (15.5 vs 17.6). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

BookGrass ships an update daily, Lu Reader weekly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

Scorecard3 real differences ยท 5 level
BookGrass versus Lu Reader: the parameters behind the verdict, then further details
ParameterBookGrassLu Reader
PriceFreeFree
Positive reviewsโ€”100.0% of reviews
Update frequencyDaily โ€” betterWeekly
AdsNo โ€” betterYes
In-app purchasesNoNo
Monetizationโ€”Ad-supported
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.615.5 โ€” better
Further details โ€” not scored
Size9 MB95 MB
Age rating4+4+
DeveloperJaeyoung Heosanghun jeong

In-app purchases

None

BookGrass

No in-app purchases

None

Lu Reader

No in-app purchases

Questions

Is BookGrass free?
BookGrass is free to download, with no in-app purchases.
Is Lu Reader free?
Lu Reader is free to download, with no in-app purchases.
Do BookGrass or Lu Reader have ads?
Lu Reader shows ads; BookGrass does not.
Which is updated more often, BookGrass or Lu Reader?
BookGrass ships an update daily, and Lu Reader weekly. Most recently, BookGrass was updated on October 28, 2026 and Lu Reader on October 25, 2026.

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