Below are some examples of my favorite mobile financing apps that are completely free to use, and I'll be adding more as I come across them.
Tip: If you need to send or receive money online, check out this list of free money sending apps.
I'll be adding more than just one soon. Bookmark this page for updates.
Acorns account and your transactions will be rounded to the nearest dollar, the extra change will be extracted from your bank and deposited into Acorns, where it will then be invested for you!
You can only use it from an app (not a computer) but, fortunately, the Acorns app is sufficient for what you need to do with the service. You're able to look at projections to see how much money you'll have deposited over time, and before you know it you'll have invested money without really even seeing it leave your bank account.
Acorns is currently in the process of finishing an Android and Web app, but is only available for iOS devices as of right now.
Get Acorns for iOS
I'll be added more as I see them, but if you are already using an awesome finance app that you think I should add to this list, just tell me about it in the comments or send me a quick email.