Pocketful rounds up your card payments into a savings pot. The product is easy to explain and very hard to make anyone care about.

We built a creator programme around a single brief: show the number. Fifty creators, none of them finance accounts, each filming the moment they opened the app after a month. We licensed the eleven that worked and ran them as ads for the rest of the quarter.

Twelve thousand sign-ups came through the programme, at roughly a third of what the same sign-up was costing through the existing ad account.