It's a budgeting app like Emma/Cleo to help track spending. Numbrs is a German company but recently been made available in the UK and is a referral that's quickly spreading across the internet due to there being:
No deposit - It's completely free to do
A fast payout
A quick sign up
All you need to do is connect your bank and not do long verification checks.
It's time to get your Invitation.codes account too 😎