Doc Sign, Signature Master app is the easiest way to sign any document on your iPhone, and as legally binding as using a pen.
1. Handwritten signature: like signing with a pen
2. Take a photo to identify the real seal, and then directly seal without printing
3. Document management: management of contracts, agreements, documents, etc.
4. File distribution: One-click distribution of signature files
5. Support any file: PDF, WORD, EXCEL, PNG, etc.