If you signup for free on the app, Vintage Inns are offering £20 off £40 on your food bill!
“Voucher valid for 40 days from date of issuance. Please show your QR voucher code when you order. Voucher valid for a table of up to 6 people, when a minimum of one main meal is purchased. Only one voucher is valid per table and can only be used once.”
There are some seasonal blackout days so double check the T&Cs but could be a nice way to eat out cheaply for a treat