The author of this blog (Bernie) is a Real estate investor, broker and distinguished technologist. See some of his mobile apps for service professionals:
1. SmallTown
This is your marketing beacon. WiFi zones are everywhere and this app effectively lets you reach out to people in these zones to create constructive and productive relationships. 
You can publish your profile, browser other profiles, request chats, exchange contacts, set-up encounter alerts and more. Check it out at http://idid-inc.com/category/apps/smalltown/
2. iDid
This is your life logger. For people who are on the road or manage a crew, this is great. It creates an automatic record of places visited, drives and flights, even calls and sleep. It conveniently logs these into your private email calendar and plots on a map. You can also generate reports. Check it out at http://idid-inc.com/category/apps/idid/
