It exists, this app lets you record sounds from your doorbell and landline and other stuff so it can vibrate and tell you when something is happening. Great idea, looks like it gets lots of good reviews too.
Sound Alert App gives you the ability to record your environmental and home sounds to alert you in case of events which are important for you like doorbells, Telephone Ringing, Microwave beeping, Thief Alarm and Intercom.
The app able to detect any type of Smoke alarms without the need to record... Read more
I believe this has already been done. You can get one here.
It exists, this app lets you record sounds from your doorbell and landline and other stuff so it can vibrate and tell you when something is happening. Great idea, looks like it gets lots of good reviews too.