Trialy makes it easy to create a free trial for your in-app-purchases. Trialy takes care of the heavy lifting for you (using server-side checks with customizable grace periods to allow for offline use, for example) so you can focus on developing an amazing app. In addition to configuring the trial length, you can decide whether users should be able to try your app on each of their device, or just once for each Google account.
Web and mobile payments, built for developers.
A set of unified APIs and tools that instantly enables businesses to accept and manage online payments.