Comparison

Storybase vs Prose Reader

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

Head to head
About

Storybase

Features
Read full description

Storybase helps authors build relationships with their readers, and helps readers engage deeper with books through an immersive and interactive experience. FOR READERS A new way to experience audiobooks and ebooks: immersive, interactive, and connected to the author every step of the way. โ€ข Immersive: switch between audiobook and ebook, read and listen in sync, and play soundtracks for exercising, learning, or relaxing. โ€ข Interactive: ask the book questions with built-in AI, and share chapters with the people who need them. โ€ข Connected: stay close to the author and their world, from the first page to the last. FOR AUTHORS What if your book was the beginning, not the end? โ€ข Reach: get your book into more hands with instant share links and customizable offers. โ€ข Engage: see who reads, listens, and finishes, and drop AI prompts and calls to action right into the experience. โ€ข Activate: turn attention into relationships. Capture contacts and guide readers to your real next step. โ€ข Multiply: turn your team, clients, and readers into ambassadors who pass the book forward. A book should do more than sit on a shelf. It is the door into everything you do next. Use of this app is bound by the Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Prose Reader

Features
Read full description

Prose is a clean, local-first reader for ePub and PDF books. Designed with a focus on speed, privacy, and simplicity, Prose works completely offline to keep your personal library secure on your device. Key Features: - Multi-format support: Read ePub 2, ePub 3, and PDF files. - Offline library: View your books in a custom cover grid or detail list. Search, filter, and sort by title, author, last read, or reading progress. - Tailored reading experience: Customize fonts, font size, margins, and line spacing for reflowable ePub books. Zoom and fit controls are available for PDF files. - Reading themes: Switch between light, dark, and sepia themes to match your environment. Themes apply across the entire application interface. - Local-first sync: Connect your own WebDAV server to sync books, reading positions, bookmarks, highlights, and settings. Sync runs in the background and resolves conflicts by keeping your furthest reading position. - Annotation and reference: Create bookmarks, highlight text, and look up definitions using the built-in offline dictionary. - Privacy and security: Your data is never sent to third-party services. WebDAV credentials are saved securely in your operating system keychain. There is no telemetry, analytics, or tracking.

Screenshots

Storybase4 screens
Prose Reader4 screens

Verdict

The call

The clearest difference is in-app purchases: Prose Reader at none against Storybase's 3. Prose Reader also leads on update cadence (every 2 months vs every 4 months). 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. Storybase sells 3 in-app purchases, starting at $17.99 per month. Prose Reader asks for nothing beyond the download.

UpkeepUpdate frequency

Storybase ships an update every 4 months, Prose Reader every 2 months. The most recent releases landed on September 9, 2026 and September 22, 2026 respectively.

Scorecard2 real differences ยท 4 level
Storybase versus Prose Reader: the parameters behind the verdict, then further details
ParameterStorybaseProse Reader
PriceFreeFree
Update frequencyEvery 4 monthsEvery 2 months โ€” better
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details โ€” not scored
Size8 MB125 MB
Age rating12+4+
DeveloperStoryline Creative, LLCElia Salerno

In-app purchases

3 purchases

Storybase

Subscriptions3
  • Reader Premium$17.991 Month
  • Author Plus$107.991 Month
  • Author Pro$214.991 Month
None

Prose Reader

No in-app purchases

Questions

Is Storybase free?
Storybase is free to download, with in-app purchases available.
Is Prose Reader free?
Prose Reader is free to download, with no in-app purchases.
Do Storybase or Prose Reader have ads?
Neither Storybase nor Prose Reader shows ads.
Which is updated more often, Storybase or Prose Reader?
Storybase ships an update every 4 months, and Prose Reader every 2 months. Most recently, Storybase was updated on September 9, 2026 and Prose Reader on September 22, 2026.

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