The Earth Speark app only supports devices that run iOS 12+ and Android 8.0 +.
iPhone 11 pro
Samsung Galaxy S10,
Samsung Galaxy S9+
Samsung Galaxy S8
Google Pixel 2
Google Pixel 3
Google Pixel 4
Optimized best for iPhone XR, iPhone 11 and Google Pixel 3 and 4.
Earth Speakr has been optimised for mobile, but is also functional on the following tablets:
iPad Air, iPad mini and iPad Pro (2019 onwards).