Comparison

CHMate+ vs Gutenberg Reader PRO

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

Head to head
About

CHMate+

This app provides a robust reading experience for EPUB and CHM eBooks. Organize your library, add bookmarks and notes, and easily search for text. Customize your reading with adjustable fonts and brightness, and share passages with friends.

Highlights
  • Organize files into personal collections
  • Add bookmarks and notes
  • Customizable fonts and line height
  • Built-in search feature
  • Share quotes with friends
  • Adjustable screen brightness
Features
Currently charting
Read full description

Default ebook formatting does not always suit the way you read. CHMate+ turns your personal files into a calm, comfortable reading corner. A customizable wooden bookshelf with an ambient lamp and personal decor. Pay once up front. Read without subscriptions or in-app purchases. A BOOKSHELF OF YOUR OWN • Wooden shelves and ambient lamp: Display your personal collection with warm bookshelf lighting. • Shelf decor: Arrange animated ornaments, plants, paintings, and shelf-edge figures. • Personal memories: Decorate with photos, Live Photos, or silent looping videos (MP4/MOV). • Custom layout: Freely move, resize, and favorite your decor items. TAILORED TYPOGRAPHY • Page colors: Choose from six page colors independently of your typography theme, with light, dark, or automatic appearance. • Precise reading controls: Adjust font size, line height, page margins, and fonts for body, headings, and code. • Custom font import: Read with built-in fonts or import your own font files. • Horizontal and vertical reading: Switch text orientation where supported for Chinese and Japanese text. • iCloud theme sync: Save your custom typography themes and sync them across your devices. TOOLS & LOCAL IMPORT • Supported formats: Read your own EPUB and CHM files with structured table of contents navigation. • Local Wi-Fi transfer: Send files directly from your computer browser over your local network. • Reading tools: Search full text across chapters, add highlights, and review notes in one place. UPFRONT PURCHASE • Full access with multiple books included from day one. • Single upfront purchase with no in-app purchases. • No subscriptions and no ads.

About

Gutenberg Reader PRO

Access over 100,000 free public domain eBooks from Project Gutenberg. Enjoy a customizable, ad-free reading experience with features like text-to-speech, offline downloads, and note-taking.

Highlights
  • 100,000+ Free eBooks
  • Ad-free reading experience
  • Offline downloads
  • Text-to-Speech (TTS) audio
  • Customizable reading settings
  • Bookmark, highlight, and notes
Features
Read full description

Gutenberg Reader PRO – The Ultimate Free eBook & Classic Book Reader - NO ADS Discover 100,000+ Free eBooks with Project Gutenberg If you love books, novels, and classic literature, this is the perfect eBook reader for you! With Gutenberg Reader PRO, you can access over 100,000 free eBooks from Project Gutenberg, including timeless classics, historical texts, philosophy, poetry, and more. Enjoy reading legendary works from Jane Austen, Mark Twain, Charles Dickens, Oscar Wilde, Victor Hugo, Emily Brontë, and many others—all legally available in the public domain. What is Project Gutenberg? Project Gutenberg is the largest digital library of free public domain eBooks, offering a vast collection of literature, philosophy, history, and poetry—completely free and legally accessible. Whether you're interested in classic novels, educational texts, famous speeches, or timeless stories, you'll find endless reading material at your fingertips. Top Features of Gutenberg Reader PRO ・ 100% Ad-Free Experience – Enjoy distraction-free reading with no ads ・ Unlimited eBook Downloads – Download books for offline reading anytime ・ Customizable Reading Experience – Adjust fonts, themes, colors, margins, and more ・ AUDIO: Text-to-Speech (TTS) Mode – Listen to your favorite books while reading along ・ Auto-Scrolling Mode – Hands-free reading without flipping pages ・ Full-Screen Mode – Distraction-free reading with an immersive experience ・ Bookmark, Highlight & Notes – Save quotes, mark passages, and take notes ・ Big & Bold Fonts – Ideal for easy readability and accessibility ・ Smart Resume Feature – Pick up reading right where you left off ・ Optimized for All Devices – Works smoothly on both phones and tablets Popular Free Books Available in Gutenberg Reader PRO Discover a vast collection of classic literature, novels, and timeless books, including: ・ Pride and Prejudice – Jane Austen ・ Alice's Adventures in Wonderland – Lewis Carroll ・ The Adventures of Tom Sawyer – Mark Twain ・ A Tale of Two Cities – Charles Dickens ・ The Importance of Being Earnest: A Trivial Comedy for Serious People – Oscar Wilde ・ The Yellow Wallpaper – Charlotte Perkins Gilman ・ Frankenstein – Mary Wollstonecraft Shelley ・ Adventures of Huckleberry Finn – Mark Twain ・ A Doll's House – Henrik Ibsen ・ Metamorphosis – Franz Kafka ・ The Adventures of Sherlock Holmes – Arthur Conan Doyle ・ Moby-Dick – Herman Melville ・ Dracula – Bram Stoker ・ Grimms' Fairy Tales – Jacob Grimm, Wilhelm Grimm ・ The Picture of Dorian Gray – Oscar Wilde ・ Great Expectations – Charles Dickens ・ Ulysses – James Joyce ・ Emma – Jane Austen ・ Heart of Darkness – Joseph Conrad ・ Jane Eyre: An Autobiography – Charlotte Brontë ・ The Count of Monte Cristo – Alexandre Dumas ・ Siddhartha – Hermann Hesse ・ Dubliners – James Joyce ・ Treasure Island – Robert Louis Stevenson ・ Les Misérables – Victor Hugo ・ Leviathan – Thomas Hobbes ・ Peter Pan – J.M. Barrie ・ Sense and Sensibility – Jane Austen ・ The Brothers Karamazov – Fyodor Dostoyevsky ・ Leaves of Grass – Walt Whitman ・ The Souls of Black Folk – W.E.B. Du Bois ・ Beyond Good and Evil – Friedrich Nietzsche ・ Wuthering Heights – Emily Brontë ・ A Study in Scarlet – Arthur Conan Doyle ・ Crime and Punishment – Fyodor Dostoyevsky …and thousands more free eBooks! Why Choose Gutenberg Reader PRO? With Gutenberg Reader PRO, you can carry a massive digital library of classic books, novels, and free eBooks wherever you go. Whether you love fiction, history, philosophy, poetry, or educational texts, this app gives you unlimited access to some of the greatest literary works of all time—without ads and completely free! Start Reading Today! Download Gutenberg Reader PRO now and explore the world’s greatest free eBook library. Whether you're a book lover, student, researcher, or casual reader, this app is your gateway to endless knowledge and literary adventures—all from the palm of your hand. Happy Reading!

Screenshots

CHMate+4 screens
Gutenberg Reader PRO4 screens

Verdict

The call

The clearest difference is rating: CHMate+ at 3.8 against Gutenberg Reader PRO's 3.1. CHMate+ also leads on review sentiment (61% vs 29%) and update cadence (every 2 weeks vs every 5 weeks). Gutenberg Reader PRO's advantage is price ($5.99 vs $9.99) and iOS requirement (13.0 vs 26.0). On ratings volume, 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

CHMate+ costs $9.99 and Gutenberg Reader PRO $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

CHMate+ holds the better App Store score, 3.8 against 3.1. Both are backed by a comparable volume of ratings — 8 and 10 respectively. Written reviews point the same way: 61% of CHMate+'s written reviews are positive against 29% of Gutenberg Reader PRO's.

UpkeepUpdate frequency

CHMate+ ships an update every 2 weeks, Gutenberg Reader PRO every 5 weeks. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

Scorecard7 real differences · 4 level
CHMate+ versus Gutenberg Reader PRO: the parameters behind the verdict, then further details
ParameterCHMate+Gutenberg Reader PRO
Price$9.99$5.99 — better
Rating3.8 (8 ratings) — better3.1 (10 ratings)
Positive reviews60.9% of reviews — better28.6% of reviews
Number of ratings810 — better
Update frequencyEvery 2 weeks — betterEvery 5 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
Best chart rank#147 — better—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.013.0 — better
Further details — not scored
Size51 MB17 MB
Age rating4+12+
Developer贤安 陈Haven Tran

Customer experience

CHMate+

All ratings8 ratings
Positive62.5%
Neutral12.5%
Negative25.0%
Written reviews230 reviews
Positive60.9%
Neutral13.0%
Negative26.1%

Gutenberg Reader PRO

All ratings10 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews7 reviews
Positive28.6%
Neutral0.0%
Negative71.4%

Bugs and requests

CHMate+

Reported bugs

4 issues
  • Crashes when searching within documents
  • Table of contents not syncing with current position
  • Highlighting and annotations not working reliably
  • Issues with opening and loading certain CHM files

Requested features

5 requests
  • Full-text search across documents
  • Folder organization for files
  • Improved image handling and zooming
  • Sync with cloud storage services
  • Ability to rename files

Gutenberg Reader PRO

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

CHMate+

No in-app purchases

None

Gutenberg Reader PRO

No in-app purchases

Questions

Is CHMate+ free?
CHMate+ costs $9.99, with no in-app purchases.
Is Gutenberg Reader PRO free?
Gutenberg Reader PRO costs $5.99, with no in-app purchases.
Which has better reviews, CHMate+ or Gutenberg Reader PRO?
CHMate+ is rated higher. CHMate+ averages 3.8 out of 5 from 8 ratings, while Gutenberg Reader PRO averages 3.1 from 10 ratings.
Do CHMate+ or Gutenberg Reader PRO have ads?
Neither CHMate+ nor Gutenberg Reader PRO shows ads.
Which is updated more often, CHMate+ or Gutenberg Reader PRO?
CHMate+ ships an update every 2 weeks, and Gutenberg Reader PRO every 5 weeks. Most recently, CHMate+ was updated on October 24, 2026 and Gutenberg Reader PRO on October 10, 2026.

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