To start using the d!nk app for iOS, you will need to install the app first.
Go to the App Store, search for 'SalesMatik' and click on the 'Install'-button.
The app will be installed after entering your iTunes password.
When the installation has completed, you will find the SalesMatik app on the home screen of your iPad or iPhone.
After you installed the app, you can now login.
As a note:
If you get any notifications regarding an untrusted app developer, please check out this article.