body: I am creating application where you can manage your incomes/expenses e.g. on eBay. Main functionality is:
  
  
  1. create new item and specify price you've payed to get it
  2. set price that you've
  
  
  All other information is derived from this like monthly profit, statistics of sold item categories etc.
  
  
  This is Android application, so user will install it from Google Play. Information will only be stored on user device. Possibly in the future it could be exported to device memory and user could share it on own will.
  
  
  **Is this information classified as personally identifiable in therms of GDPR (like finance related)?**
  
  
  
title: Is information only about financial transactions personally identifiable in terms of GDPR?