National Burger Day lands on Thursday 21st August and Honest Burgers are giving those customers who have signed up to their new loyalty app, Honest Insiders the chance to win one of 1,000 free burgers and if you’re not one of those lucky 1000 you can still enjoy 20% off any burger.

How it works for customers:

Sign up to the Honest Insiders app before 21st August and tick the box to opt in for the National Burger Day reward
Make sure you’ve agreed to receive exclusive offers and news, this is how your reward will appear in your Honest Insiders account via the app
1,000 free burgers will be given away, if you miss out on the free burger, you’ll still get a 20% off voucher to spend on any burger
All vouchers can be redeemed at any Honest Burgers restaurant (including Honest Smash + Grab) from Thursday 21st August until Monday 25 August
If signed up already and opted into receiving offers and news in ‘my account’ you will receive the reward on 21 August 2025