PrintHand Mobile Print - PrintHand Mobile Print app enables you to directly connect your mobile phone to a variety of different wireless printers using Bluetooth and Wi-Fi connection.
DocRaptor - As the only API powered by the Prince HTML-to-PDF engine, DocRaptor provides the best support for complex PDFs with powerful support for headers, page breaks, page numbers, flexbox, watermarks, accessible PDFs, and much more
HP Smart - HP Smart app comes up with features to help you in scanning all the important paperwork using your phone’s camera and connect the device to an HP printer to print the documents on paper.
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request
PrinterShare Mobile Print - PrinterShare Mobile Print app allows users to print images, emails, attachments, contacts, web pages, and various other digital media.
PDFCrowd - Pdfcrowd is a Web/HTML to PDF online service. Convert HTML to PDF online in the browser or in your PHP, Python, Ruby, .NET, Java apps via the REST API.