Javelin PDF Reader vs KDAN PDF

Javelin PDF Reader is a free app for viewing standard PDFs and files secured with Drumlin DRM. Readers are available for Windows 8/10/11, macOS 10.13 or later, Android 7 or later, and iOS or iPadOS 9 or later. Reading tools include hyperlinks, navigation trees, different page layouts, text search, annotation, and markup; offline reading also supports zoom and Read-Aloud text-to-speech. DRM-protected files can prevent copying and onward distribution, and publishers can set hard expiry dates or expiry periods that begin at first viewing. Printing is limited to desktop and laptop devices and depends on publisher permission, with controls for copies and page counts. Dynamic watermarks can show device or user details, a filename, authorization code, and date and time. Screen-capture protection varies by platform: it is optional on Windows and macOS, always set on Android, and offers a subset of facilities on iOS. Authorization records may include device details and IP address and are retained for three years. Corporate networks may require proxy configuration or web authorization.

KDAN PDF is a PDF app for Android, iOS, Mac and Windows, with tools for viewing, annotation, editing and conversion. The free plan includes viewing, notes and annotations, handwriting, signatures and form filling, but not text editing, form creation, OCR or PDF conversion. Document 365 costs USD 59.99 per year and adds text editing, merging and splitting, Office file conversion, OCR for scanned PDFs and password protection. Document 365 AI+ costs USD 99.99 per year and includes those features plus AI services such as auto-redaction, summarization, document review and paragraph translation. Both subscriptions offer a seven-day free trial. A lifetime license costs USD 119.99 per device and covers one desktop device, with offline work that does not require cloud uploads. Paid plans provide read-aloud text-to-speech. Refunds may be requested within 14 days after purchase, subject to store exclusions. KDAN PDF is powered by KDAN Mobile Software Ltd., founded in 2009 and based in Tainan City, Taiwan.