You can log in and use your account via our website at https://deferit.com.au/login/ if you're having temporary issues with the mobile app.
We also recommend that you delete and redownload the app to ensure that you have the latest version, as we frequently update our app.
If the issue continues, please fill out our webform here. Include an attachment of a screenshot of the problem and a short description and we'll look to fix it and get you going as quickly as possible!