If you want to be able to create memory trails for more than two apps, you'll have to make a one-time $4 upgrade to the app's pro version. That's it - just the one-time $4 charge, with no subscriptions or ongoing payments.
Royal Mail makes 'really important' change to postbox parcel delivery service
Royal Mail has introduced a new feature in its app that allows customers to obtain proof of postage when posting parcels at any of the UKâs 115,000 postboxes.