Mints iPhone and iPad apps are getting a big new feature and a visual overhaul today thatll put them right in line with iOS 7s bright and simple style. The service — which helps manage personal budgets — is launching its Trends feature on iOS, which allows its users to see an overview of how theyve been spending their money. The tool has been available online for some time now, and Mint says that its been the most-requested feature on mobile. The app is also dropping its heavy and busy style for something thats a lot cleaner, bigger, and easy to read through. …