CHMate+: EPUB & CHM Reader

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.