Where is the One Top button on my iPad? The Tasty One Top is now supported on iPad devices running iOS 10.0 or later. If you do not see the One Top button simply check to make sure you are running the latest version of the Tasty app. Note: To learn more, visit What mobile devices are supported on the One Top? Related articles What mobile devices are supported on the One Top? How can I reinstall the Tasty app?