Cross-Platform Savings Tracker App

I need a mobile app developed for both iOS and Android platforms, designed to help users track their savings goals. The main feature should be goal tracking, but I also want the app to include: - Notifications/Reminders: To keep users on track with their savings... (Budget: £250 - £750 GBP, Jobs: Android, Android App Development, Graphical User Interface (GUI), iOS Development, iPhone, Mobile App Development, UI / User Interface, User Interface / IA)