About this app
# Features 1. Electronic Signature: Sign documents electronically on mobile devices without face-to-face meetings. 2. Real Stamp Recognition: Capture photos of real stamps and apply them directly to online contracts without printing. 3. Document Management: Manage contracts, agreements, and documents in one place. 4. Document Distribution: Share documents for signing with one tap to improve collaboration efficiency. # Premium Features: - Unlimited signatures and stamp usage. - Export or share signed document copies. # Subscription & Billing This app offers a Premium subscription plan with a duration of 12 months (annual auto-renewable subscription). Payment will be charged to your iTunes account upon confirmation of purchase. The subscription automatically renews unless auto-renewal is turned off at least 24 hours before the end of the current subscription period. Your account will be charged for renewal within 24 hours prior to the end of the current period at the selected plan’s price. You can manage your subscription and turn off auto-renewal by going to your iTunes / App Store account settings after purchase. # Privacy Policy: https://apps.4bytes.cn/terms/sign-master/en/privacypolicy # Terms of Use (EULA): https://apps.4bytes.cn/terms/sign-master/en/terms
Latest release
What’s New
1. fix some bugs
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 11, 2026 · 12:58 AM Free