Best Margin Apps

245+ iOS apps curated and reviewed

4.5 avg rating
15 free apps
Updated September 2026

The best margin apps on iPhone average 4.5★ across 245+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.

Compare top Margin Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Margins: Book TrackerMargins: Book TrackerFree4.9★ (19K)NoYesSep 2026
2Cost Margin CalculatorCost Margin CalculatorFree3.6★ (89)NoNoMay 2026
3Margin POSMargin POSFree5.0★ (9)NoNoAug 2026
4Mar-Genie Margin CalculatorMar-Genie Margin CalculatorFree3.6★ (49)NoNoJul 2026
5Margin & Markup CalculatorMargin & Markup CalculatorFreeYesYesJun 2026
6MarginMate — Margin CalculatorMarginMate — Margin Calculator$0.99 was $2.99NoNoSep 2026
7Profit Margin CalculatorProfit Margin CalculatorFreeYesNoMay 2026
8Margin Calculator– Cost/ProfitMargin Calculator– Cost/ProfitFreeYesNoMay 2026

Top Picks for Margin

Margins: Book Tracker#1

Margins: Book Tracker by Paratext Inc.

Build a stronger reading habit
Editor's Choice
📚 Books
4.9😊(19K ratings)
FreeIn-App Purchases
Margins: Book Tracker screenshot 1
Margins: Book Tracker screenshot 2
Margins: Book Tracker screenshot 3
Margins: Book Tracker screenshot 4
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Margins: Book Tracker screenshot 6

This app helps you discover, track, and share your reading journey. It offers detailed tracking options, customizable features, and powerful search capabilities. Stay focused on your reading goals with built-in tools to minimize distractions.

What We Love

  • 👍 Easy to use
  • 🎨 Aesthetically pleasing design
  • 🔍 Helpful search and recommendation features
  • 📚 Comprehensive book tracking capabilities
  • 🔄 Smooth import from Goodreads
  • ⏱️ Useful reading time tracking
  • 🔖 Ability to customize book covers

Room to Improve

  • 🐛 Missing books in the database
  • 🔍 Limited search and filtering options
  • 🔒 Concerns about using phone number for sign-up
  • 🔢 Lack of social features and community

More Margin apps to explore

FAQ about Margin

What are the best margin apps for iPhone?
Margins: Book Tracker tops our margin apps ranking as of September 2026, with a 4.9-star average from 19K App Store ratings, and it's free to download.
Yes — 15 of the top margin apps we rank are free to download, including Margins: Book Tracker and Cost Margin Calculator.
Margins: Book Tracker has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 245+ margin apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
You can track a variety of reading metrics, including half-star ratings, books you've stopped reading, and who recommended each book. The app also allows for fuzzy date tracking, such as 'Sometime in 2024' or 'Not Sure'.
The app features advanced search capabilities that go beyond simple titles or authors. You can search for books based on themes, moods, or even upload images to find similar titles. This allows for a more intuitive and personalized book discovery experience.

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