Finances - In-App Purchase

Hello dribbblers,

today I'm very excited to share this shot with you as it makes me feel a little step closer to the launch of Finances!
After a lot of struggling about this I think the app will be free to test, but the trial will expire in about 3 months of usage and then you'll have to buy me a coffee to keep using it forever 😊.

I'm still not sure about the copy as I'm not a native speaker and it's difficult for me to see if the tone is off: please advise if you're willing to!

In case you can't read the copy in the shot (and I guess you can't 😄) here it is:

Convinced?
If you enjoyed using Finances so far and you’d like to see new features coming soon, please help me stay productive and buy me a coffee :)

"Friends bring happiness into your life.
Best friends bring coffee."
by DeathWishCoffee