String is the fastest, most intelligent texting & calling experience ever. We’ve reimagined the phone number with unique inbox enhancements like Mark Unread, Kanban View, and Undo Send. String also includes built-in SMS boosts like Labels, Templates, Auto-Replies, and Mass Messaging. You’ll get through every conversation faster, scale up your responsiveness, and never miss a message again.

Add String’s superpowers to your existing phone number, or get a new String number of your choice. The String app is available for use on both desktop and mobile.