Bryan, we're still using https://www.vendsoft.com/features-v4u?source=vendinglocator
With the honor box on it now. Plus they're revamping the app soon for amusement. I think for boxes it was really good. The inventory would help you as well.
I usually print out the directions as well. When you put your trip together, you can print a pull sheet, directions, and optimize them.
After you take a look, if you still have questions, call me. It's been by far my best investment.