We were just informed that Talkatone is no longer supported on Kindle devices. We apologize for the inconvenience this may cause you.
You should be able to access your Talkatone account next time you sign into your account on an iPhone or Android device.
Supported mobile devices:
iPhone (4, 4S, 5, 5C, 5S, 6, 6+, 6S, 6S+) running iOS 7.0+
Android: 4.2+, armv7 or x86 CPU
iPad (2nd, 3rd & 4th Gen; Air, Air2) running iOS 7.0+
iPod Touch (5th Gen) running iOS 7.0+