Comparison

PocketShelf vs Margin

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

Head to head
About

PocketShelf

Easily organize your book collection and track your reading progress. Save notes, get session recaps, and start reading directly from your home screen.

Highlights
  • Organize book library
  • Track reading sessions
  • Add notes and summaries
  • Home screen widget
  • Accessibility features
  • AI-powered recaps
Features
Read full description

Track your reading. Remember what matters. Meet PocketShelf, the easiest way to keep track of your books and your reading journey. No matter what kind of reader you are, PocketShelf helps you stay organised and makes coming back to your books feel effortless. What you can do with PocketShelf: - Your Library: Add books in seconds and keep your collection neat - Track your reading sessions: See how much time you spend reading and celebrate your progress - Notes & Summaries: Write down notes while reading. PocketShelf gives you recaps of you last reading session to help you jump right back in again - Widget: Start your reading session right from the Home Screen with our widget - Accessibility: Support for VoiceOver, dynamic type and accessible fonts. Plus, you can get those recaps also in plain language - Beautifully designed: Crafted by an Apple Design Award Winner We have so much more planned for the future. To keep up to date, follow us at the following platforms: - Instagram: https://www.instagram.com/pocketshelf.app - TikTok: https://www.tiktok.com/@PocketShelf - X: https://x.com/PocketShelfApp —— Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://pocketshelf.app/privacy

About

Margin

Features
Read full description

Margin is a calm reading-streak app. Read a little every day and watch the days add up. Keep a streak Log minutes with a focus timer or by hand, set a daily goal, and see every reading day on a calendar beside your stats. Gentle reminders help you keep going without nagging. Read in Margin Open your own EPUB and PDF books in a reader built for long sessions: a page curl that follows your finger, themes and fonts, a contents view with page numbers, search, bookmarks, highlights and notes. Your place follows you from iPhone to iPad to the web, down to the sentence. Your library, organised Add books by title, by scanning a barcode, or by taking a photo of the cover. Sort them into collections like Research or Computer Vision, tag genres, and track what you want to read, are reading, and have finished. Covers are found for you, or use the first page of a PDF. Read aloud Record chapters as you read, keep reading while it records, and play them back from the book's page. Export a recording as a video with the book's cover, ready to share. Works with your AI assistant Connect any AI assistant that supports MCP to your library. Your assistant can see what you're reading, log sessions, add books, make collections and set genres, with access you approve and can revoke. Margin Plus Everything above is free, including up to five uploaded books of 5 MB each. Margin Plus adds unlimited uploads up to 150 MB each, video export of recordings, and book recognition from photos. Choose monthly, yearly, or a one-time lifetime purchase. If Plus ends, nothing is locked: every book you have stays readable. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period, and can be managed in your Apple Account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy: https://margin.pstepanov.dev/privacy

Screenshots

PocketShelf4 screens
Margin4 screens

Verdict

The call

The clearest difference is update cadence: Margin at every 6 days against PocketShelf's every 2 weeks. Margin also leads on iOS requirement (16.4 vs 26.0). On price, ads, in-app purchases and device support 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. PocketShelf sells 4 in-app purchases, starting at $3.99 per month and Margin sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PocketShelf ships an update every 2 weeks, Margin every 6 days. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 8 level
PocketShelf versus Margin: the parameters behind the verdict, then further details
ParameterPocketShelfMargin
PriceFreeFree
Rating4.4 (8 ratings) — better—
Positive reviews84.6% of reviews—
Number of ratings8 — better—
Update frequencyEvery 2 weeksEvery 6 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.016.4 — better
Further details — not scored
Size159 MB74 MB
Age rating4+4+
DeveloperKlemens StrasserPavel Stepanov

In-app purchases

4 purchases

PocketShelf

Subscriptions2
  • Monthly$3.991 Month
  • Yearly$19.991 Year
One-time2
  • One Extra Book Slot$4.99
  • Lifetime$49.99
3 purchases

Margin

Subscriptions2
  • Margin Plus Monthly$2.991 Month
  • Margin Plus Yearly$24.991 Year
One-time1
  • Margin Plus Lifetime$49.99

Questions

Is PocketShelf free?
PocketShelf is free to download, with in-app purchases available.
Is Margin free?
Margin is free to download, with in-app purchases available.
Do PocketShelf or Margin have ads?
Neither PocketShelf nor Margin shows ads.
Which is updated more often, PocketShelf or Margin?
PocketShelf ships an update every 2 weeks, and Margin every 6 days. Most recently, PocketShelf was updated on October 30, 2026 and Margin on October 24, 2026.

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