Comparison

Storybase vs Rostra

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

Head to head
About

Storybase

This app offers an interactive reading and listening experience for books, connecting readers directly with authors. Authors can engage their audience, track engagement, and build relationships beyond the book itself.

Highlights
  • Immersive audiobook/ebook sync
  • In-app AI questions
  • Shareable chapters
  • Author-reader connection
  • Reader engagement tracking
  • Customizable offers
  • AI prompts for readers
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. • Immersive: switch between audiobook and ebook, read and listen in sync, and play soundtracks for exercising, learning, or relaxing. • Interactive: ask the book questions with built-in AI, and share chapters with the people who need them. • 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? • Reach: get your book into more hands with instant share links and customizable offers. • Engage: see who reads, listens, and finishes, and drop AI prompts and calls to action right into the experience. • Activate: turn attention into relationships. Capture contacts and guide readers to your real next step. • 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

Rostra

Discover timeless wisdom through a curated feed of humanity's greatest quotes. Explore ideas from philosophers, scientists, and leaders, and collect those that resonate with you. Follow influential figures and search for specific thoughts to enrich your mind.

Highlights
  • Curated quote feed
  • Follow influential figures
  • Collect favorite quotes
  • Search for quotes and figures
  • Spans diverse philosophies and thinkers
Features
Read full description

The war for your attention is real. Every scroll fills your mind with someone's ideas — why not the best ones? Rostra is a feed of humanity's greatest quotes. Ideas that have survived centuries of scrutiny. Scroll Marcus Aurelius, Emerson, Einstein, Churchill, and hundreds more — the way you already scroll, with thoughts that last. What you can do: • Curated feed — For You or Following tabs • Follow figures who speak to you • Collect quotes that stop you cold • Search any figure or quote The collection spans Stoic philosophy, Greek and Eastern thought, American Transcendentalism, science, poetry, statecraft, and more. Fill your mind with great ideas, not mediocre ones.

Screenshots

Storybase4 screens
Rostra2 screens

Verdict

The call

The clearest difference is in-app purchases: Rostra at none against Storybase's 3. Rostra also leads on update cadence (every 2 days vs every 5 days). On price, rating, ratings volume and ads there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Storybase sells 3 in-app purchases, starting at $17.99 per month. Rostra asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Storybase against 5.0 for Rostra. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

Storybase ships an update every 5 days, Rostra every 2 days. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

Scorecard3 real differences · 6 level
Storybase versus Rostra: the parameters behind the verdict, then further details
ParameterStorybaseRostra
PriceFreeFree
Rating5.0 (2 ratings)5.0 (1 ratings)
Number of ratings2 — better1
Update frequencyEvery 5 daysEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size9 MB48 MB
Age rating12+4+
DeveloperStoryline Creative, LLCDawn Patrol

Customer experience

Storybase

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Rostra

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Storybase

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

Rostra

No in-app purchases

Questions

Is Storybase free?
Storybase is free to download, with in-app purchases available.
Is Rostra free?
Rostra is free to download, with no in-app purchases.
Which has better reviews, Storybase or Rostra?
Storybase and Rostra are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do Storybase or Rostra have ads?
Neither Storybase nor Rostra shows ads.
Which is updated more often, Storybase or Rostra?
Storybase ships an update every 5 days, and Rostra every 2 days. Most recently, Storybase was updated on October 13, 2026 and Rostra on October 14, 2026.

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