Once you have downloaded and installed the HomeExchange app from the App Store it's time to log in to your account. At the moment you are only able to log in to an existing account on HomeExchange.com you are not able to create a new account.
Click on this app icon on your iPhone or iPad screen:
The app will then open and you will be offered to log in either with your email address and password, or if you use Facebook to log in to HomeExchange.com with Facebook.
Enter your email address and password in the following fields and press Log in.