I start out online and switch to the app if/when I hit a snag. Then I stick with the app until that has an issue at which point I go back to the computer. Repeat as needed. Just make sure you're still signed in online. It kicks me off constantly and it can be hard to tell. Hit the "my plans" tab to double check. You can't navigate there if you aren't signed in.Tomorrow is my day!!! Best way to make dining reservations?