When you open the Digit app, it will show you what it has recently saved for you since you last checked. This may not match up directly to what you see taken from your checking account when you look at your bank activity since this is based on when you last opened the app.
Scroll down to see all the goals that you're saving towards. Each goal is separate, so in this example, the Trip to Hawaii goal has $526.52 in it currently, and the Hot Sauce Fund goal has $80.23.
You can tap on a goal to see a history of all saves into that goal and all withdrawals back to your checking account from that goal if any.