iTerminal: Process credit card purchases on the go with this app. When someone hands over a credit card to you for a business purchase all you do is type it in and it will accept or decline the card instantly.
FlightTrack pro: If you’re willing to pay $10 this app is worth it. Business people who fly the friendly skies can use this app to tell you if your flight has been cancelled or delayed, closures, gate numbers, flight times, botched reservations and alternate flights/schedules.
Analytics App: Webmasters and bloggers will enjoy this $5.99 app. The app is Google Analytics for the iPhone. Page views, bounce rate, visitors, unique visitors, average time spent on site and a graph is just the tip of the iceberg.
Quickoffice Mobile Office Suite: MS office has gone mobile with this application. Check Powerpoint presentations, Excel spreadsheets and Word documents as well as edit them before a conference meeting or during a conference call.
Worldcard Mobile: Change the way you use business cards with this app. A standard bsuiness card is scanned into the phone. The app takes as much info as possible and stores it for later use.