Comparison

Book.io vs Inkwell

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

Head to head
About

Book.io

Manage your digital library of eBooks and audiobooks with a user-friendly interface. Customize your reading experience with various themes and text settings, and enjoy features like bookmarking and embedded media. Own and control your digital content.

Highlights
  • eBook and Audiobook management
  • Customizable themes and text settings
  • Seamless navigation and bookmarking
  • Audiobook playback and reading/listening switch
  • Embedded video and fixed format support
  • Social media login
Features
Read full description

Book.io is the eBook and Audiobook app that empowers you to manage your digital library on your terms. Transform your reading experience with a range of features crafted for maximum enjoyment. Key Features: 1. Effortless Reading: Navigate your eBooks seamlessly with our user-friendly interface. 2. Customizable Themes: Personalize your reading environment with Light, Paper, or Dark themes. 3. Tailored Text Settings: Adjust text size, line spacing, and fonts, including options like Open Dyslexic. 4. Bookmarking and Navigation: Easily bookmark pages and navigate through your reading material. 5. Media Support: Immerse yourself with audiobooks, embedded videos, and fixed format support. 6. Dark Mode: Read comfortably in low-light settings with our sleek dark mode. 7. Multi-Language Support: Experience Book.io in Spanish or English for a tailored touch. Why Choose Book.io? Embrace the future while preserving the past with our collection of Unchangeable, Unburnable, Unbannable eBooks and Audiobooks you own and control. Join our community of satisfied readers today. Download Book.io and embark on your journey of actual digital ownership. What’s New: - Audiobook Support: Dive deeper into your favorite stories with our new audiobook feature. Switch between reading and listening anytime, anywhere. - Social Media Connection: Book.io is now easier than ever to get started. Log in or create an account using your existing social media credentials.

About

Inkwell

This free ebook reader offers a highly customizable reading experience with adjustable fonts, colors, and spacing. It seamlessly integrates translation and dictionary lookup, allowing you to import your own EPUB files and enjoy a personalized literary journey.

Highlights
  • Customizable fonts, sizes, and colors
  • Adjustable margins and paragraph spacing
  • Integrated iOS Translation and Dictionary
  • Intuitive design with smooth animations
  • Fast ebook loading
  • Import your own EPUB files
Features
Read full description

Discover Inkwell, the ultimate free ebook reader designed for customizable reading experiences. Immerse yourself in popular books with personalized settings for fonts, sizes, and colors. Inkwell is completely free, ensuring an exceptional reading experience without hidden costs. Features: • Open source and completely free, no locked features or in-app purchases • Highly customizable reading experience with adjustable font styles, sizes, and colors • Fine-tune margins, paragraph spacing, and explore captivating color options • Seamlessly integrated iOS Translation and Dictionary Look Up features for enhanced exploration and understanding • Intuitive design for easy navigation and smooth, beautiful animations • Fast ebook loading, eliminating waiting times and allowing you to dive into the story instantly • Bundled with four timeless masterpieces from Project Gutenberg • Import your own .epub files to curate a collection that matters to you Download Inkwell now and embark on a personalized literary journey like never before. Rediscover the joy of reading!

Screenshots

Book.io4 screens
Inkwell4 screens

Verdict

The call

The clearest difference is rating: Book.io at 4.8 against Inkwell's 3.9. Book.io also leads on review sentiment (97% vs 67%) and ratings volume (58 vs 9). Inkwell's advantage is iOS requirement (13.0 vs 16.0). On price, update cadence, 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Book.io holds the better App Store score, 4.8 against 3.9. That said, the two scores are not equally well evidenced: Book.io has 58 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 97% of Book.io's written reviews are positive against 67% of Inkwell's.

UpkeepUpdate frequency

Book.io ships an update every 2 months, Inkwell every 4 weeks. Both last shipped on November 3, 2026.

Scorecard4 real differences · 6 level
Book.io versus Inkwell: the parameters behind the verdict, then further details
ParameterBook.ioInkwell
PriceFreeFree
Rating4.8 (58 ratings) — better3.9 (9 ratings)
Positive reviews96.7% of reviews — better66.7% of reviews
Number of ratings58 — better9
Update frequencyEvery 2 monthsEvery 4 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.013.0 — better
Further details — not scored
Size31 MB13 MB
Age rating12+4+
DeveloperBook.io, IncDimitrie Milinovich

Customer experience

Book.io

All ratings57 ratings
Positive96.5%
Neutral0.0%
Negative3.5%
Written reviews30 reviews
Positive96.7%
Neutral0.0%
Negative3.3%

Inkwell

All ratings9 ratings
Positive77.8%
Neutral0.0%
Negative22.2%
Written reviews6 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Bugs and requests

Book.io

Requested features

7 requests
  • Press and hold word for definition lookup
  • Multi-wallet support
  • Recent tab for current reads
  • Organize books into folders
  • Continuous scroll or tap to turn pages
Show 2 more
  • First cover page without bold lettering
  • More features to come

Inkwell

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Book.io

No in-app purchases

None

Inkwell

No in-app purchases

Questions

Is Book.io free?
Book.io is free to download, with no in-app purchases.
Is Inkwell free?
Inkwell is free to download, with no in-app purchases.
Which has better reviews, Book.io or Inkwell?
Book.io is rated higher. Book.io averages 4.8 out of 5 from 58 ratings, while Inkwell averages 3.9 from 9 ratings.
Do Book.io or Inkwell have ads?
Neither Book.io nor Inkwell shows ads.
Which is updated more often, Book.io or Inkwell?
Book.io ships an update every 2 months, and Inkwell every 4 weeks. Most recently, Book.io was updated on November 3, 2026 and Inkwell on November 3, 2026.

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