A subscription is meant for users to make sure they have access for one year to all functionalities and/or all available manufacturer specific content. Subscriptions are only required for paid apps, not for the manufacturer specific apps like the apps for SANHA, ABB and Rexel. The subscription price is calculated per month and it has to be paid annually.
A paid subscription allows users to access benefits and functionalities that trial users cannot. For example, for some apps it can mean access to the full range of manufacturer product lines contained in the app while the trial only grants access to one or part of the product lines. For other apps it can mean extending the full functionality of the app to an unlimited amount of time (in which the subscription is active), while a trial version of the same app only allows free access for one week.
The subscription functions in the basis of an automatic renewal which means that at the end of the subscription period, the user will be charged a renewal fee for the next period unless otherwise specified. You can toggle automatic renewal on or off depending on what you like. Read more below.