Oticon Opn and Oticon ON App are compatible with iPhone X, iPhone 8 Plus, iPhone 8, iPhone SE, iPhone 6s Plus, iPhone 6s, iPhone 6 Plus, iPhone 6, iPhone 5s, iPhone 5c, iPhone 5, 9.7-inch iPad Pro, 12.9-inch iPad Pro, iPad Air 2, iPad Air, iPad (4th generation), iPad mini 4, iPad mini 3, iPad mini 2, iPad mini, and iPod touch (5th and 6th generation). Devices must be running iOS 9.3 or later. The app also supports Apple Watch. When downloading the Oticon ON App on iPad, search for iPhone apps on the App Store. Oticon ON App is compatible with devices powered by Android™ 6.0, Marshmallow or above. See the recommended devices here.