WPS PDF Fill & Sign is a free, easy-to-use app for signing and filling out pdf forms, specifically those for visas, work permits, and other purposes. With this app, you can scan and fill out the forms in a matter of minutes, so you don't need to pay a penny for the service.

WPS PDF Fill & Sign supports pdf forms that are either static or interactive. With the latter, you can use the app to fill out the form field components, text fields, single checkboxes, date fields, dropdown lists, option lists, etc. You can also add a signature, initial signature, date signature, and long signatures.