Search for transaction categories & changing allocated transactions.

If I have accidentally allocated a transaction to the wrong category, it is very difficult to change it unless I know exactly what the name of the transaction was. It would be helpful to search by category name, or be able to access each category to see which transactions have been allocated, so it can easily be changed. Currently, the app only lets you search via the bank account list and the search bar is terrible. Even if I search by transaction date, or value of the transaction (eg: $128.00) it rarely works.

Is there another way?