KNOCK app iconKNOCK

Important people. Louder alerts.

Don't miss
what matters.

KNOCK turns important WhatsApp messages into alerts you can't ignore. Choose your people, set your rules, and let KNOCK get your attention when it matters.

Explore features

Built for Android.

KNOCK home screen showing important people and the alert service.

Features

Built to get your attention.

Your people. Your rules.

Choose who matters and customize how KNOCK alerts you.

KNOCK alert mode selection for a contact.

Hear what matters.

Get a full-screen alert when a monitored contact needs your attention.

KNOCK full-screen alert for an important message.

Your time. Your control.

Pause the alarm service when you need a break and resume it whenever you're ready.

KNOCK alarm service toggle for pausing and resuming alerts.

Your people matter.
Make sure you hear them.