Yes! You get a Daily Wheel Spin every 24 hours for a chance to earn Bubbles so be sure to login each day!
There are also tons of free ways to get Bubbles over in the Action Feed in verypop. If you tap on the bottom-left icon on the Play screen, you'll be able to watch videos, do surveys, complete offers, and more all for free Bubbles. Sometimes it can take up to 24 hours for a Bubbles to appear, but they'll always show up in your Inbox tab so make sure to check there.