Your use of the PowerApps service is governed by the terms and conditions of the agreement under which you obtained the services.
For customers who purchase or renew a subscription (including free trials) online from Microsoft, your use is governed by the Microsoft Online Subscription Agreement, which incorporates the Online Services Terms.
For customers who purchase through another volume licensing agreement, such as an Enterprise Agreement, your use is governed by the volume licensing agreement under which you purchased the services, which incorporates the Online Services Terms. You can obtain a copy of your volume licensing agreement by contacting your Microsoft account representative or volume licensing. Your use of the mobile and desktop apps are governed by the software license terms For Android and Windows and For iOS.
Third party notices for PowerApps mobile and desktop apps are available here.