This is something that’s actually being worked on as we speak, It was mentioned a few weeks ago in a blog post, I’ll see if I can find the link.
EDIT: I can’t find the link to the post, but this is what it should look like:
https://community.monzo.com/t/youve-saved-more-than-1-000-000-through-coin-jar-so-far/37536/16?u=jackcrwhitney