To manage your income and expenses, you need a notebook or a finance manager. If you think so too, the Frugi personal finance manager app should suit for you.
Frugi is an easy-to-use finance app that works with both iPhone and iPad. The iOS app features minimalistic, iOS 7-style user interface. Via simply swiping down on the screen you can quickly add expenses and incomes along with detailed category to your account, and its summary lets you know your monthly balance. Moreover, the finance manager supports multiple calendars, and the calendar shoes you all items of a day, while comparing feature displays difference to last month. Apart from that, Frugi supports multiple accounts, and you can also backup data via Email in form of PDF or Excel.
Frugi is available for free at present. If you need the finance app, head to App Store for download.