Apps Apps make our lives so much easier, and some of them make life a lot more fun too. So check out these cool apps you can download and use right away. Westpac One™ app Get loads of extra features with the Westpac One smartphone app – like Quick Access, Spending Meter and faster access with PIN login. Mobile Online Banking Our mobile banking offering is available as an app, and also as a mobile optimised website that you can access through your phone's browser. CashNav app Our free new money management app that lets you see what you spend to get what you want. Cash Tank™ app for iPhone & Android A fun, interactive way to help teach your kids about earning, setting goals and saving money. Cash Critter™ app To help you teach your kids about earning and saving we’ve introduced Cash Critter™, the fun, new, interactive app that shows kids how to set goals and save money. Realestate app House hunting? Use the Realestate app to keep you up-to-date with the latest properties on the market, keep notes and more. Budget Planner app Got a savings goal? Our Budget Planner iPhone app is an easy-to-use tool to help you manage your money better.