Need an app for iphone that will allow user to set up auto responses to about 10(?)different one-word or 2 word(max 20 characters) incoming messages. (Would like the maximum amount of inputs as possible ... would 25, 50 etc? Be possible???)

For example:

Incoming Text = "10 Sandusky" ... (sender receives a autoresponse of the maximum amount of characters that we could manage) ie...$399,900 4 Bdrms, 3 WR, see pics on www.housepics.com

Incoming Text = "moreinfo" ... Autoresponse=No start up costs. Start part time. For more info call (647)888-8888.

Incoming Text " "pizzadeals" ... Autoresponsse=Extra large with 3 toppings - $9.99

I want to keep it a bit versatile so that I could use it for real estate or any other kind of business.

Other texts that aren't contained in the database would be ignored by the app so that the user would answer manually. It would be nice if the incoming texts were NOT case sensitive.

I'm not a programmer, but I'm picturing an app that always runs in the background and checks each incoming text and compares it to a database. Database would be quite simple with one field containing the key incoming text and a second field (of maximum allowable length) with the response.