This could be pretty interesting.
Medium’s Confide, which has surfaced for the Apple Watch, allows users to send end-to-end encrypted messages that delete themselves forever as soon as they’re read.
The app also works with iOS’ Handoff, allowing you to edit your messages between iOS devices before sending with customizable notifications alerting you to new messages as they arrive.
Confide is available for free and requires iOS 7.0 or later to install and run.
If you’ve tried the app and have any feedback to offer, please let us know in the comments.