This quick, pretty and tip calculator allows you to calculate tips and split bills among friends in just 5 seconds!

Devices: iPhone

Price: Free

Expensify makes capturing receipts, tracking time or mileage, business travel and creating expense reports quick and easy. Acknowledged by the tech community as the best app for expense reporting, Expensify takes the time, paper, and headaches out of your expense reports.

Devices: iPhone & Android

Price: Free

Convert every world currency with the XE Currency App. It offers live proprietary currency rates, charts, and even stores the last updated rates, so it works when the Internet doesn't.

Devices: iPhone, Android, Web Browser, Windows, Blackberry

Price: Free