Popular personal finance site Mint.com is launching an update to its iOS app today that adds the ability to split transactions and adjust budgets on the fly. Those two new features were the most requested from users and make an already excellent app even better. Intuit gave me a sneak peek of the updated app last week, and it's clear that the progression of their app demonstrates the company is keenly aware of how important mobile is becoming to the Mint platform. The company told me that Mint users are remarkably mobile-oriented. In fact, some 40% of the service's subscribers access their accounts only through their mobile devices - skipping the desktop browser entirely. And that number is rising thanks to
