I paid for premium when transitioning to a new phone, and my history was transferred. I recently had to un+re-install the App for personal reasons and it does not recognise my account anymore. Creator contact has not responded to numerous courteous emails. EXTREMELY DISAPPOINTED. Wish I could get 3+ years of data back. I loved the App, and the App itself is 5 stars but will only rate 1 due to reasons above. Would change to 5 stars if resolved.