Comparison

Spine vs ScrollWizard

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

Head to head
About

Spine

Features
Read full description

Read a chapter. Copy it cleanly. Continue in the language model you already use. Spine is a focused EPUB reader for people who want to read alongside an LLM without putting AI inside the bookshelf. One tap copies the current chapter as clean plain text, with the book, author, and chapter title included. Select a passage when you only need a smaller excerpt. Prefer to listen? Spine reads aloud with Apple voices installed on your iPhone, iPad, or Mac. Choose a voice and adjust its rate, pitch, and volumeβ€”without a voice account or a cloud reader. Your library stays private. Spine has no built-in model, requires no account, and does not upload book content. What you copy is yours to paste wherever you choose. Spine also includes: - EPUB 2 and EPUB 3 support - Chapter navigation and in-chapter search - Reading-position restoration - Bookmarks and inline notes - Adjustable type, size, and line spacing - Drag-and-drop and system document opening - Guardrails for unusually large or malformed files Spine reads DRM-free EPUB files. It does not decrypt DRM-protected books.

About

ScrollWizard

Features
Read full description

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

Spine1 screens
ScrollWizard4 screens

Verdict

The call

The clearest difference is in-app purchases: Spine at none against ScrollWizard's 1. ScrollWizard's advantage is iOS requirement (16.2 vs 26.0). On price, ads and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. ScrollWizard sells 1 one-off in-app purchase. Spine asks for nothing beyond the download.

Scorecard2 real differences Β· 4 level
Spine versus ScrollWizard: the parameters behind the verdict, then further details
ParameterSpineScrollWizard
PriceFreeFree
Update frequencyβ€”Fortnightly
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad, Mac β€” betteriPhone, iPad
Requires iOS26.016.2 β€” better
Further details β€” not scored
Size2 MB55 MB
Age rating4+4+
DeveloperThought Tides LLCMerijn Douwes

In-app purchases

None

Spine

No in-app purchases

1 purchases

ScrollWizard

One-time1
  • Advanced Wizard Mode$4.99

Questions

Is Spine free?
Spine is free to download, with no in-app purchases.
Is ScrollWizard free?
ScrollWizard is free to download, with in-app purchases available.
Do Spine or ScrollWizard have ads?
Neither Spine nor ScrollWizard shows ads.

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