Comparison

CustomBooks vs PillowBook Reader

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

Head to head
About

CustomBooks

Features
Read full description

CustomBookS Take control of your ebook library. A beautiful library shouldn't be ruined by inconsistent covers, incorrect titles, or messy metadata. CustomBookS is designed to help you organize and personalize your EPUB collection with a simple, privacy-focused editing experience. Features Edit EPUB Metadata Change book titles Edit author names Update descriptions Replace book covers Wireless Local Transfer No cables required No cloud uploads Import and export ebooks directly over your local network Build a Cleaner Library Fix incorrect metadata Replace low-quality or inconsistent covers Create a more organized library in Kindle, Apple Books, and other reading apps Simple, Fast, and Private No ads All processing happens locally Designed for ebook lovers and collectors Whether you're a Kindle user, an avid reader, or someone who wants a cleaner and more beautiful ebook collection, CustomBookS gives you full control over your library.

About

PillowBook Reader

A local-first TXT and EPUB reader designed for comfortable, personalized reading. Enjoy a clean interface, customizable reading settings, and text-to-speech functionality without ads or account requirements. Manage your personal library offline.

Highlights
  • Customizable reading interface
  • Adjustable font, spacing, and themes
  • Horizontal/vertical text support
  • Multiple page-turning options
  • System text-to-speech integration
  • Offline library management
  • Import via Files or Wi-Fi sharing
Features
Read full description

Read your own books, quietly and comfortably PillowBook is a local-first reader for TXT and EPUB, designed to make long reading sessions feel calm and personal. No account is required, there are no ads, and you don’t need to upload your books to the developer’s servers. Your books, reading position, bookmarks, and reading history are stored on your device by default, so you can keep reading offline. MAKE IT YOUR READING SPACE β€’ Enjoy a clean, comfortable interface that keeps the focus on your books β€’ Choose light, dark, or system appearance, change accent colors, and pick an app icon to match your mood β€’ Select a reading palette, adjust page brightness, or use your own image as the reading background β€’ Fine-tune fonts, text size, character spacing, line spacing, paragraph spacing, and margins READ YOUR WAY β€’ Switch between horizontal and vertical text β€’ Turn pages, scroll continuously, use a lifelike page curl, or let pages advance automatically β€’ Thoughtful multilingual typesetting with support for ruby text, footnotes, and EPUB images β€’ Enjoy two-page reading in landscape on iPad, like an open book LISTEN WHEN YOUR EYES NEED A BREAK β€’ Read aloud with system voices on iPhone and iPad β€’ Voices already downloaded to your device can work offline β€’ Choose a voice, adjust the speed, and set a sleep timer β€’ Listening stays in sync with the text, so you return to the same place KEEP YOUR LIBRARY YOURS β€’ Import TXT and EPUB from Files, the share sheet, or a browser on the same Wi-Fi β€’ Automatically detect common text encodings and chapter structure β€’ Track reading progress and time, add bookmarks, and search entire books β€’ Favorite or archive books; protect the Vault entrance with Face ID or your device passcode β€’ Multilingual interface support PillowBook does not provide or sell ebooks, and it does not support DRM-protected EPUB files. Please import only files you have the right to use. The free version can store up to five books in the library. If you need more, a one-time purchase unlocks Unlimited Library. No subscription.

Screenshots

CustomBooks3 screens
PillowBook Reader4 screens

Verdict

The call

CustomBooks and PillowBook Reader are too close to call on the numbers: across 5 compared parameters β€” price, ads, in-app purchases and device support among them β€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ScorecardNo meaningful differences
CustomBooks versus PillowBook Reader: the parameters behind the verdict, then further details
ParameterCustomBooksPillowBook Reader
PriceFreeFree
Positive reviewsβ€”100.0% of reviews
Update frequencyEvery 2 weeksβ€”
AdsNoNo
In-app purchasesNoNo
Monetizationβ€”Free with in-app purchases
DevicesiPhoneiPhone, iPad β€” better
Requires iOS17.0 β€” better18.0
Further details β€” not scored
Size3 MB111 MB
Age rating4+4+
Developerζ°Έιš† 郝HAO GONG

In-app purchases

None

CustomBooks

No in-app purchases

None

PillowBook Reader

No in-app purchases

Questions

Is CustomBooks free?
CustomBooks is free to download, with no in-app purchases.
Is PillowBook Reader free?
PillowBook Reader is free to download, with no in-app purchases.
Do CustomBooks or PillowBook Reader have ads?
Neither CustomBooks nor PillowBook Reader shows ads.

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