Of course this FoneEraser supports iPhone 6s and other iOS devices. The supported iOS devices are as below: iPhone: iPhone 4, iPhone 4S,iPhone 5, iPhone 5C, iPhone 5S, iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus, iPhone SE, iPhone 7, iPhone 7 Plus, iPhone X, iPhone 8, iPhone 8 Plus. iPad: iPad Pro, iPad Air2, iPad Air, iPad 2, iPad 3rd generation, iPad 4th generation, iPad mini 2, iPad mini 3, iPad mini 4. iPod: iPod touch 4th generation, iPod touch 5th generation, iPod touch 6th generation. Supported versions: iOS 5 to iOS 11