Comparison

Calibre View vs DNF

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

Head to head
About

Calibre View

Browse and manage your Calibre ebook library on iOS devices. Connect to cloud storage or local files for fast searching, sorting, and filtering. Optimized for large collections and works offline once downloaded.

Highlights
  • Connect to cloud storage (Dropbox, Google Drive, OneDrive, iCloud, WebDAV)
  • Browse library with metadata only
  • Optimized for large libraries (15,000+ books)
  • Customizable book list columns and sorting
  • Fast search and filtering by tags, authors, series
  • Download books locally for offline reading
  • Supports multiple libraries and quick switching
Features
Read full description

Calibre View lets you browse and search your Calibre ebook library on iPhone and iPad, using cloud storage or local files on your device. Connect your existing Calibre library and explore your entire collection with fast searching, flexible sorting, and powerful filtering, all in a clean, native iOS and iPadOS interface designed for libraries large and small. (Tested with a 16,000-book library!) Whether you want to quickly find a specific book or explore your collection by tags, authors, or series, Calibre View is built to stay responsive and organized, even with very large libraries. Key Features • Connect to Calibre libraries stored in Dropbox, Google Drive, OneDrive, WebDAV, iCloud, or the Files app • Optionally upload only your metadata.db file to browse your library without downloading covers or books • Fast loading, even for huge libraries (a 16,000-book library opens in about 4 seconds) • Advanced search with AND, OR, NOT, exact phrases, and column searches like authors:austen or tags:"science fiction" • Customize which columns appear in the book list, similar to Calibre's desktop view, saved separately for each library • Sort by any Calibre column, including custom columns • Filter books instantly using tags, authors, series, and other metadata fields • View detailed book information and customize what appears on the book details screen • Tap a tag or author in detail view to see every matching book, sorted just like your library • Long-press to copy titles, authors, tags, and summaries • Choose a column for Quick Filter to refine search results, authors, or tags • Covers are downloaded on demand only when viewing book details, saving bandwidth and storage • Download books locally and share or open them in other reading apps in any available format • Support for multiple libraries, with quick switching between them, even across different cloud services • Optimized layouts for both iPhone and iPad, including optional horizontal scrolling for portrait phone use • Works fully offline once a library is downloaded (covers and book downloads require connectivity) • Supports both light mode and dark mode Calibre View is free, with an optional tip jar for anyone who'd like to support development. Calibre View is an independent app and is not affiliated with or endorsed by Calibre or its developers.

About

DNF

This app allows users to track their reading, share thoughts on books in real-time, and connect with other readers. It also offers a library of public domain books to read within the app and tools for organizing personal book lists and setting reading goals.

Highlights
  • Track reading progress
  • Share real-time book thoughts
  • Discover like-minded readers
  • Create custom book lists
  • Read public domain books in-app
  • Set reading goals and track stats
  • Import and export book library
Features
Read full description

Don't wait until the last page to talk about a book. DNF brings your reading life and your book people together. Track your books, share your takes while you read, and discover people who love what you love. SHARE YOUR TAKES WHILE READING A theory you need to discuss. A character you can't stand. A sentence worth stopping for. Share your thoughts with others reading the same book, while it's still fresh. TRACK YOUR READING Keep track of what you're reading, what you've finished, and what you want to read next. Update your progress and build a reading log that's yours. READ 1,500+ PUBLIC DOMAIN BOOKS FOR FREE Explore a library of public domain books you can read right inside DNF. Choose a classic, open it in the app, and start reading for free. FIND READERS WHO GET YOUR TASTE Discover and follow like-minded readers. See how your book tastes match, explore their lists and reviews, and find inspiration for your next read. CREATE LISTS YOUR WAY Your next five reads. Your all-time favorites. Books that changed your mind. Organize your books into lists as personal as your taste. SHARE YOUR REVIEWS Rate and review your reads. Keep a record of what you loved, what didn't work for you, and what you'd recommend. Explore other readers' reviews for a different perspective. SET GOALS AND SEE YOUR PROGRESS Set your reading goal and follow your progress with personal reading stats. Look back at the books you've read and see how far you've come. IMPORT AND EXPORT YOUR LIBRARY Bring your existing book list into DNF and export your library when you need it. Your books. Your takes. Your people. Terms of use (EULA): https://getdnf.com/terms Privacy Policy: https://getdnf.com/privacy

Screenshots

Calibre View4 screens
DNF4 screens

Verdict

The call

The clearest difference is update cadence: DNF at every 5 days against Calibre View's every 6 weeks. DNF also leads on iOS requirement (16.4 vs 26.1). Calibre View's advantage is monetization model (free vs freemium) and ratings volume (6 vs 1). On price, rating, ads and in-app purchases 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. Calibre View sells 3 one-off in-app purchases and DNF sells 3 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Calibre View against 5.0 for DNF. That said, the two scores are not equally well evidenced: Calibre View has 6 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Calibre View ships an update every 6 weeks, DNF every 5 days. The most recent releases landed on October 30, 2026 and November 6, 2026 respectively.

Scorecard4 real differences · 6 level
Calibre View versus DNF: the parameters behind the verdict, then further details
ParameterCalibre ViewDNF
PriceFreeFree
Rating5.0 (6 ratings)5.0 (1 ratings)
Positive reviews75.0% of reviews—
Number of ratings6 — better1
Update frequencyEvery 6 weeksEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad — betteriPhone
Requires iOS26.116.4 — better
Further details — not scored
Size38 MB68 MB
Age rating4+9+
DeveloperDANIEL EDWARD LAMSONMoimaere OU

In-app purchases

3 purchases

Calibre View

One-time3
  • Small Tip$1.99
  • Medium Tip$4.99
  • Large Tip$9.99
3 purchases

DNF

Subscriptions2
  • dnf Pro Monthly$6.991 Month
  • dnf Pro Yearly7 Days trial$39.991 Year
One-time1
  • dnf Founding Reader$99.99

Questions

Is Calibre View free?
Calibre View is free to download, with in-app purchases available.
Is DNF free?
DNF is free to download, with in-app purchases available.
Which has better reviews, Calibre View or DNF?
Calibre View and DNF are both rated 5.0 out of 5 on the App Store, from 6 and 1 ratings respectively.
Do Calibre View or DNF have ads?
Neither Calibre View nor DNF shows ads.
Which is updated more often, Calibre View or DNF?
Calibre View ships an update every 6 weeks, and DNF every 5 days. Most recently, Calibre View was updated on October 30, 2026 and DNF on November 6, 2026.

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