Signature Master : Sign PDF
Signature Master : Sign PDF Summary
Signature Master : Sign PDF is a free, with in-app purchases Android app in Tools by FuMaoMao. Released in Apr 2026 (3 months ago). It has about 33K+ installs and 697 ratings with a 4.76★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 10K monthly active users and generates around $<10K monthly revenue (100% IAP / 0% ads). Store last updated Aug 21, 2026
Recent activity: 7.3K installs this week (13K over 4 weeks) showing strong growth , and 156 new ratings this week View trends →
Signature Master : Sign PDF SDKs Summary
App not yet scanned for SDKs.
4.76★
Ratings: 697
Screenshots
App Description
Easily manage, export, and share your files. Sign Docs safely and efficiently.
Tired of troublesome paper signing? Signature Master: Sign PDF is a lightweight and efficient electronic signature tool for office and personal use.
Sign, stamp, and add watermarks with one tap on your phone. Boost your productivity anytime and anywhere, and completely abandon complicated paper workflows!
Main Features:
🖌 Scan Signature — High-Precision Handwriting Digitization
Capture your handwritten signature quickly. Powered by advanced image recognition technology, the app accurately retains original handwriting strokes and details, generating highly restored electronic signatures in one single shot.
🖌 Auto Signature — Generate Neat & Professional Signatures
Simply enter your name to get various elegant signatures. Freely adjust fonts and sizes to create your exclusive formal signature effortlessly.
🖌 Draw Signature — Create Unique Personal Signatures
Write freely on the screen to design your own handwritten signature. Save it permanently for unlimited repeated use.
🖌 Image Watermark — Professional Copyright Protection
Add custom watermarks, brand logos and anti-counterfeit marks to images. Adjust transparency, size, angle and position flexibly to protect artwork, commercial pictures and contract photos. Mark ownership with one tap to effectively prevent unauthorized image misuse.
📲 Import & Sign Files Instantly
Import PDFs and images to easily complete signing and stamping on mobile devices.
✍️ Signature & File Management
Securely store and manage multiple signatures. Organize signed files in folders. The built-in protection mode ensures safe signing for official documents.
🖼️ Custom Watermark Function
Personalize watermark styles to prevent illegal file dissemination and misuse.
📁 Export & One-Click Sharing
Export signed files as PDFs or images. Share directly via emails, social platforms and cloud storage without exiting the app.
🔒 Local Storage & Absolute Privacy
All signatures and files are saved locally on your device. We will never collect, disclose or share your private data without your explicit permission.
📩 Feedback & Support
For questions or suggestions, contact us: fumaomao.dev@gmail.com
🔗 Terms & Privacy Policy
Terms of Use: https://www.fumaomao.cc/signature/useragreement.html
Privacy Policy: https://www.fumaomao.cc/signature/policy.html