Eating out healthy: does this app exist?

I've been traveling a lot, and the classic problem when eating out all the time is that you can eat healthy, filling, or cheap: pick two.

To help solve this, here's the app I want to exist:

1. You choose a restaurant you want to go to. Say, Applebee's (stay with me here).
2. The app asks you what size meal you want: small/medium/large, or maybe by total calorie count. I'm eating dinner, so I want an 800-calorie meal or so.
3. The app sorts through the menu and the nutrition facts and gives you a series of options that combine menu selections in a way that get close to your "fullness" goal but also have a balance of fruits, vegetables, relatively low fat, etc. You can swipe through the options to find one that looks appealing to you.

Please say this app exists!

(Or barring that, how you handle this problem.)