Which app is best for signing PDFs?

The “best” app depends on what you mean by signing PDFs:

• Best for simple e-signatures: Adobe Acrobat Reader

  • Easy to add a signature
  • Widely accepted
  • Good on desktop and mobile

• Best for legally binding e-sign workflows: DocuSign

  • Great for sending, tracking, and collecting signatures
  • Strong for business use

• Best if you want free PDF editing + signing: Foxit PDF Editor or PDFgear

  • Good value
  • PDFgear is especially appealing if you want a free option

• Best for Mac/iPhone users: Apple Preview / Markup

  • Built in
  • Very convenient for quick signing

• Best for Android: Adobe Acrobat or Xodo

  • Reliable mobile signing tools

If you want the shortest answer:

• Personal use: Adobe Acrobat Reader
• Business workflows: DocuSign
• Free option: PDFgear

If you tell me your device and whether you need a handwritten-style signature or a legally binding e-signature, I can recommend the best one for you.