Comparison

Folio vs ReadGrow

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

Head to head
About

Folio

This app helps you meticulously track your reading progress, manage your book library, and cultivate a consistent reading habit. It allows for detailed logging of quotes, reviews, and reading statistics, offering a private and organized space for bibliophiles.

Highlights
  • Organize books into shelves
  • Save and sync favorite quotes
  • Rate books with quarter-star precision
  • Import from Goodreads/StoryGraph
  • Search, manual entry, or ISBN scan
  • Track pages, minutes, and streaks
  • Set reading goals
Features
Read full description

Folio is a private book tracker and reading journal for keeping your books, TBR, reading goals, quotes, reviews, and progress in one focused place. Track what you're reading, build a daily reading habit, import your existing library from Goodreads or StoryGraph, add books quickly, and see your progress without turning reading into work. With Folio you can: - Organize books into Want to Read, Reading, and Read shelves - Save favorite quotes with page or percent markers, backed up and synced with your library - Rate books with quarter-star precision, publish written reviews when signed in, browse public reader reviews, and like the ones that help - Import Goodreads and StoryGraph CSV exports while keeping your local data - Search for books, enter them manually, or scan ISBN barcodes - Track pages, minutes, sessions, streaks, and reading days - Set reading goals for books, pages, time, days read, or streaks - Plan upcoming reads with target months and gentle pace guidance - See reading stats for pages, time, books finished, and long-term habits - Keep your current book and timer nearby with widgets and Live Activities - Find buy links from retailers like Amazon, Apple Books, Bookshop.org, Barnes & Noble, and Kobo where available - Export your library when you want a copy of your data Folio is built for readers who want a beautiful book tracker without social pressure, ads, or ad tracking. Your library stays personal, organized, and easy to come back to.

About

ReadGrow

Read full description

ReadGrow is a book-centered reading companion designed for readers who want to retain more from every book they read. Whether you're reading fiction, nonfiction, books in your native language, or books in English, ReadGrow helps you track your reading journey, capture your thoughts, and keep your books, reading progress, and notes together in one place. For readers enjoying books in English, ReadGrow also includes built-in vocabulary collection with automatic IPA pronunciation and definitions, making it easy to expand your vocabulary naturally through reading while preserving the journey of every book you read.

Screenshots

Folio4 screens
ReadGrow4 screens

Verdict

The call

The clearest difference is in-app purchases: ReadGrow at none against Folio's 5. ReadGrow also leads on iOS requirement (16.0 vs 18.0). On price, update cadence, ads 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. Folio sells 5 in-app purchases, starting at $0.99 per month. ReadGrow asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on September 11, 2026 and August 20, 2026 respectively.

Scorecard2 real differences · 8 level
Folio versus ReadGrow: the parameters behind the verdict, then further details
ParameterFolioReadGrow
PriceFreeFree
Rating4.0 (5 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 3 daysEvery 3 days
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad — betteriPhone
Requires iOS18.016.0 — better
Further details — not scored
Size48 MB17 MB
Age rating4+4+
DeveloperMiguel PachecoChih-Yen Kuo

In-app purchases

5 purchases

Folio

Subscriptions4
  • Folio Plus Monthly$0.991 Month
  • Folio Plus Annual$8.991 Year
  • Folio Plus Annual7 Days trial$8.991 Year
Show 1 more
  • Folio Plus Annual14 Days trial$8.991 Year
One-time1
  • Folio Plus Lifetime$24.99
None

ReadGrow

No in-app purchases

Questions

Is Folio free?
Folio is free to download, with in-app purchases available.
Is ReadGrow free?
ReadGrow is free to download, with no in-app purchases.
Do Folio or ReadGrow have ads?
Neither Folio nor ReadGrow shows ads.
Which is updated more often, Folio or ReadGrow?
Folio ships an update every 3 days, and ReadGrow every 3 days. Most recently, Folio was updated on September 11, 2026 and ReadGrow on August 20, 2026.

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