What Android apps that do balance countdown?

I don't know if my question makes sense to you coz I don't speak English well...lol.. I mean it's like a days left apps, event countdown, etc. that show many days left to go before a certain event bur I'm looking for a balance countdown apps. I'm paying off a loan and I want to keep in track on how much balance I left. Are there any kind of apps that do that? Thanks in advance.