KDAN PDF vs PDF Candy

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.

PDF Candy is a PDF toolkit for editing, converting, merging, splitting, compressing, signing, protecting and managing documents. Its tools include text editing, annotations and OCR, while AI features can summarize, chat with and translate PDF documents. Users can import files from Google Drive or Dropbox and save updated versions back to cloud storage. PDF Candy Desktop is a Windows download with 35 tools that can operate offline; the company lists 98 PDF tools and 19 languages. Access is listed for web, Windows, macOS, Linux, iOS and Android. The free plan has page and hourly restrictions, limited file size, no batch processing and a desktop operations limit. Students and teachers can get one year of PDF Candy PRO online at no cost, with no hourly limits and uploads up to 500 MB. PDF Candy says files are deleted from its servers within two hours after processing. The free plan is available, with paid access from $6/mo.