Get alerts of anyone knocking on your door.

We're bringing sound awareness to the deaf and hard of hearing. So never miss what's calling for your attention!

Use your smart device, including your smartphone, and setup in just a few minutes—ideal for low-rise buildings, short stays, hotels, apartments and condos.

Sign up to get notified when it's ready.

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Your email is valuable to us. We promise not to spam you but to keep you posted when the app is available.

If you have questions about the app or want to learn more, reach out to us at hello[@]lisnen.com.