Doc Sign, Signature Master app app analytics for December 17

Doc Sign, Signature Master app is the easiest way to sign any document on your iPhone, and as legally binding as using a pen. #Features 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.