Card IO: Digital Business Card
QR Contact Reader & Network
Only for iPhone
$0.99 · Designed for iPhone
iPhone
Card IO makes sharing contact details effortless. Create custom digital business cards for work, personal networking, or events—and share them in seconds with a simple QR code scan.
Key Features:
Unlimited Digital Cards: Build as many custom cards as you need. Personalize each card with unique titles, color coding, and private notes.
Complete Contact Profiles: Share your name, phone number, email, address, LinkedIn profile, and custom notes in a single scan.
Instant QR Sharing: Display your on-screen QR code for instant, friction-free transfer directly to another device.
Bank-Grade Privacy & Security: Keep your personal information safe with encrypted logins and fast biometric authentication (Face ID & Touch ID).
Flexible Contact Management: Quickly update, edit, and manage your stored card profiles whenever your info changes.
Download Card IO today and eliminate physical business cards for good.
Tip 1! Add a note to make the receiver remember where you met.
Tip 2! Install the app on your Mac (Silicon processor only) and organize your cards from your computer.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Updated app name when installing the iOS on a Mac Silicon from "runner.app" to "Card IO.app"
The developer, Dotmatters, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- dotMatters Limited
- Size
- 32.7 MB
- Category
- Business
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
- English
- Age Rating
13+
- 13+
- Copyright
- © 2026 dotMatters Limited

