[RELEASE] Lock and Door Synchronizer, synchronize your locks with other locks, deadbolts, doors, switches/relays

[maddie (Head of Support (rboyapps.com))]

Hi Charlie, this app doesn’t send messages or connects to AirBnB.

I think you’re referring to the RLA app.
To disable automatic SMS to AirBnB users just leave the SMS users phone input box empty.