CHMate+ vs RichBook
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
Read full descriptionHide full description
Most e-readers are bloated with monthly subscription traps, intrusive ads, and clumsy formatting. CHMate brings the quiet focus and tactile elegance of a real book back to your screen. Native EPUB and CHM reader with rich typography customization, instant search, and paper themes. Trusted by readers for over a decade, now rebuilt natively for modern iOS. Pay once, own forever. Full unlimited access with no subscriptions. CHMate+ is a local EPUB and CHM reader for iPhone and iPad. Import the books and documents you already own, arrange them into a library you enjoy, and read each one in the way that suits it best. CRAFTED FOR FOCUSED READING • Paper Texture & Themes: Curated paper backgrounds, customizable fonts, line spacing, margins, and dark mode • Distraction-Free: Clean interface designed to put nothing between you and the text • Tactile Gestures: Smooth chapter transitions and fluid page-turning that respect your reading rhythm DUAL FORMAT POWER: EPUB & CHM • EPUB: Perfect for literature, novels, and reflowable publications • CHM & MHT: Read technical documentation, programming references, and compiled help manuals with structured tables of contents POWERFUL, PRIVATE UTILITIES • Instant Search: Lightning-fast full-text search across chapters • Highlights & Notes: Capture the quotes that move you and review annotations easily • iCloud Theme Sync: Seamlessly sync your typography themes across your devices via CloudKit • Local Wi-Fi Transfer: Drop books directly from your computer browser to your device over Wi-Fi without cables HONEST, ONE-TIME PURCHASE • Full access and unlimited bookshelf included from the start • No in-app purchases. No recurring subscriptions. • No ads. No tracking.
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.
- Reads PDF files
- Supports zip and rar comic archives
- Multi-device compatibility
- Requires Bluetooth setting ON
- Video tutorial available
Read full descriptionHide 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)
Screenshots
Verdict
The clearest difference is price: RichBook at Free against CHMate+'s $9.99. RichBook also leads on iOS requirement (14.5 vs 18.0). CHMate+'s advantage is in-app purchases (none vs 1) and ads (none vs shown). On 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
RichBook is free to download; CHMate+ costs $9.99 up front. RichBook sells 1 one-off in-app purchase. CHMate+ asks for nothing beyond the download.
CHMate+ ships an update every 2 months, RichBook every 7 months. The most recent releases landed on September 23, 2026 and September 8, 2026 respectively.
| Parameter | CHMate+ | RichBook |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 3.8 (8 ratings) — better | — |
| Positive reviews | 60.9% of reviews — better | 30.0% of reviews |
| Number of ratings | 8 — better | — |
| Update frequency | Every 2 months — better | Every 7 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Best chart rank | #152 — better | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 14.5 — better |
| Further details — not scored | ||
| Size | 48 MB | 24 MB |
| Age rating | 4+ | 12+ |
| Developer | 贤安 陈 | sorakaze Inc. |
Customer experience
CHMate+
RichBook
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
RichBook
Not enough reviews yet to summarise bugs or requests.
In-app purchases
CHMate+
No in-app purchases
RichBook
- Remove Ad$9.99
