Mobile Is Where Signing Happens
According to Adobe’s 2025 Digital Document Trends report, 67% of e-signature completions now happen on mobile devices. Yet many platforms still serve desktop-first interfaces that require pinching, zooming, and struggling with tiny signature fields on a phone screen.
ClosingIQ’s mobile signing is built for thumbs first. Responsive layouts, large tap targets, and a touch-to-sign experience that works on any device without downloading an app.
Three Ways to Deliver Documents for Mobile Signing
1. Email Link (Standard)
The signer receives an email with a secure link. Tapping the link opens the document in their mobile browser. No app download, no account creation, no login required.
2. SMS Delivery
Send the signing link directly via text message. SMS delivery has a 98% open rate compared to 20% for email (Gartner, 2024). The signer taps the link in their text messages and signs immediately.
SMS delivery is ideal for:
3. QR Code (In-Person)
Generate a QR code that the signer scans with their phone camera. The code opens the document directly in their browser. Perfect for:
The Touch-to-Sign Experience
Document View
The document renders in a mobile-optimized viewer. Pages stack vertically with smooth scrolling. Signature fields are highlighted in blue with large tap targets.
Signing
Tap a signature field. A full-width canvas appears. Draw your signature with your finger or stylus. The canvas supports pressure sensitivity on devices that have it. Tap “Adopt” to apply your signature to all assigned fields.
Alternatively, type your name and select from four handwriting-style fonts.
Completion
After signing all fields, tap “Finish.” The signed document is sealed with a tamper-evident hash and the signer receives a copy immediately via email.
Statistics That Matter
Device Compatibility
ClosingIQ mobile signing works on:
The same link works everywhere. No app store visit required.
Security on Mobile
Mobile signing sessions include the same security as desktop:
Pricing
Mobile signing is included in every ClosingIQ envelope at no extra charge. SMS delivery costs $0.01 per message. QR code generation is free.