Comparison

BookGrass vs ScrollWizard

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

ScrollWizard

Features
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Your books deserve a better home. ScrollWizard is a full EPUB and PDF reader for people who care how they read -- not just what. Tune the type to taste -- font, size, line height, spacing, reading width, margins, alignment, hyphenation -- and override any of it per book. Speed-read with a built-in focus engine. No subscription, ever. Pay once, own it forever. READING, YOUR WAY -- 12 fonts including OpenDyslexic, with size, line height, and letter and word spacing -- Text alignment, paragraph indent and spacing, hyphenation -- Reading Width control sets your line length and centres the column on wide screens, plus top and bottom margins -- 5 built-in themes (Light, Dark, Sepia, Solarized Dark, Nord) plus unlimited custom themes -- Page-turn animations: slide, fade, or none -- Per-book overrides -- some books just read better in a different font -- A Lock Screen Live Activity shows your reading progress at a glance FOCUS READING (RSVP SPEED READER) -- Words appear one at a time at the pace you set, from 100 to 1500 WPM -- A focus mode: fewer distractions, one word at a time, your pace -- Adjustable word highlighting and a tunable pause curve -- Sentence navigation: swipe back or forward with full context -- Eases back up to speed after a pause, so you never lose the thread SPLIT READER (iPad) -- Two books side by side with a draggable divider -- Paragraph-proportional sync keeps both sides aligned -- Reference pane: open footnotes or an appendix beside the text without losing your place VOCABULARY & ANNOTATIONS -- Select any word for an instant dictionary definition -- Save words with their sentence and book attached, then export them to a flashcard file (Anki, TSV, or JSON) -- Highlight in 5 colors, with optional notes -- Export every annotation to Markdown, Obsidian, Notion, Logseq, or JSON -- no caps, no publisher limits -- Full-text search within any book YOUR LIBRARY -- Smart collections that sort themselves by your rules -- Browse free books from Project Gutenberg, ManyBooks, and Feedbooks, plus Standard Ebooks for Patrons Circle members -- Connect your own Calibre server -- iCloud sync for books and reading position, in a folder you can actually see -- Cover grid with sorting, filtering, metadata editing, and batch actions READING STATISTICS -- Daily reading charts with 7- and 30-day views, goals, pages, and time -- See how far you have come -- not how far you have to go No ads. No analytics. No feed pulling you somewhere else. No account to make. Just you and the book. The base reader is completely free. Advanced Wizard Mode -- the RSVP Speed Reader, the iPad Split Reader, and custom font import -- is a one-time purchase. No subscription. No recurring charges. One wizard, one price, forever. Reflowable EPUB and PDF. App available in 12 languages.

Screenshots

BookGrass4 screens
ScrollWizard4 screens

Verdict

The call

The clearest difference is in-app purchases: BookGrass at none against ScrollWizard's 1. BookGrass also leads on update cadence (daily vs every 2 weeks). On price, ads, device support and iOS requirement 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. ScrollWizard sells 1 one-off in-app purchase. BookGrass asks for nothing beyond the download.

UpkeepUpdate frequency

BookGrass ships an update daily, ScrollWizard every 2 weeks. The most recent releases landed on September 18, 2026 and September 20, 2026 respectively.

Scorecard2 real differences ยท 4 level
BookGrass versus ScrollWizard: the parameters behind the verdict, then further details
ParameterBookGrassScrollWizard
PriceFreeFree
Update frequencyDaily โ€” betterEvery 2 weeks
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.616.2 โ€” better
Further details โ€” not scored
Size9 MB50 MB
Age rating4+4+
DeveloperJaeyoung HeoMerijn Douwes

In-app purchases

None

BookGrass

No in-app purchases

1 purchases

ScrollWizard

One-time1
  • Advanced Wizard Mode$4.99

Questions

Is BookGrass free?
BookGrass is free to download, with no in-app purchases.
Is ScrollWizard free?
ScrollWizard is free to download, with in-app purchases available.
Do BookGrass or ScrollWizard have ads?
Neither BookGrass nor ScrollWizard shows ads.
Which is updated more often, BookGrass or ScrollWizard?
BookGrass ships an update daily, and ScrollWizard every 2 weeks. Most recently, BookGrass was updated on September 18, 2026 and ScrollWizard on September 20, 2026.

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