Currently, the mobile app formats values in the editable amount field based on the currency locale settings, which in some regions use a space as the thousands separator (e.g., 2 000) or a negative sign directly in the amount field (-190 NOK). The input field does not accept spaces, or negative signs, preventing users from saving valid values. Additionally, if the amount field displays a comma as the thousands separator, but there are no decimal points (i.e. "$1,999"), saving changes would alter the amount to "$1,99" instead of maintaining "$1,999.00".

When editing transactions, the amount value should be normalized.