Comparison

RichBook vs eEPUB

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

Head to head

RichBook

genuine double-page viewer

About

RichBook

This application allows users to read books and comic archives on multiple devices. It supports PDF files and compressed comic archives like zip and rar. A Bluetooth option in settings is required for use.

Highlights

Reads PDF files
Supports zip and rar comic archives
Multi-device compatibility
Requires Bluetooth setting ON
Video tutorial available

Features

Read full description

RichBook is the book reader application with multiple devices. ■ Requirement Bluetooth option in "Settings" App : ON ■ How to use Please watch the video. http://youtu.be/ug7gc2naUGY ■ Support file format - PDF - zip, rar (comic archive)

About

eEPUB

Features

Read full description

eEPUB is a powerful EPUB reader designed for comfortable reading and studying. Key Features • Read EPUB files on your device • Open EPUBs directly from Google Drive shared links • Open EPUBs directly from Dropbox shared links • Open EPUBs directly from GitHub Raw URLs • Bookmark your reading progress • Highlight important passages • Add notes while reading • Full-text search across books • Progressive Web App (PWA) support eEPUB is suitable for reading novels, technical books, study materials, and other EPUB content. Your local EPUB files are processed on your device, providing a fast and privacy-friendly reading experience. Whether you're a student, researcher, or casual reader, eEPUB helps you organize and enjoy your digital library.

Screenshots

RichBook4 screens

eEPUB4 screens

Verdict

The call

The clearest difference is in-app purchases: eEPUB at none against RichBook's 1. eEPUB also leads on ads (none vs shown) and update cadence (every 2 months vs every 7 months). On price, device support and iOS requirement 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. RichBook sells 1 one-off in-app purchase. eEPUB asks for nothing beyond the download.

UpkeepUpdate frequency

RichBook ships an update every 7 months, eEPUB every 2 months. The most recent releases landed on September 8, 2026 and September 12, 2026 respectively.

Scorecard3 real differences · 5 level

RichBook versus eEPUB: the parameters behind the verdict, then further details
Parameter	RichBook	eEPUB
Price	Free	Free
Positive reviews	30.0% of reviews	—
Update frequency	Every 7 months	Every 2 months — better
Ads	Yes	No — better
In-app purchases	Yes	No — better
Monetization	Free with in-app purchases	—
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	14.5 — better	15.0
Further details — not scored
Size	24 MB	3 MB
Age rating	12+	4+
Developer	sorakaze Inc.	Keisuke Kudo

In-app purchases

1 purchases

RichBook

One-time1

Remove Ad$9.99

None

eEPUB

No in-app purchases

Questions

Is RichBook free?

RichBook is free to download, with in-app purchases available.

Is eEPUB free?

eEPUB is free to download, with no in-app purchases.

Do RichBook or eEPUB have ads?

RichBook shows ads; eEPUB does not.

Which is updated more often, RichBook or eEPUB?

RichBook ships an update every 7 months, and eEPUB every 2 months. Most recently, RichBook was updated on September 8, 2026 and eEPUB on September 12, 2026.