Get instant access to over 400 000 hotels worldwide with the HEI Online app! For members only, enjoy on average 20% cheaper prices than openly available booking websites (based on same conditions such as breakfast inclusion and/or free cancellation). . This is a new version of the previous HEI Online app. - Log in with the same username and password that you use for the website version. - Or click on Sign up directly from the app. Insert your given Access or mobile code if you are a new use