submitted a loan app to easy street not too long ago still haven't heard back 

There are some great mileage tracking apps out there that make it easy. 

Most people who get these apps though are hoping it will do all the work for them.

Contact your county tax assessor's office to learn how to find this information (it's usually online and easy).Talk to the neighbors.There are paid apps that may include contact information for specific properties.

In the age of Uber and other disruptors the reason why 96% are sold by an agent is because it makes sense (end cents) - otherwise, there would be an app for that ;-)Here is the better question: how do you find a great agent?

Also, the nextdoor app is great for finding local resources.

You would be best served by managing them with two separate apps.

I'm about to rent out my first property and would love a recommendation on an app to use to screen applicants, submit maintenance requests, and receive rent. 

One thing you might want to consider is partnering with microsoft and adding a third party app to their office 365 suite of products as they have an accounting arm and many other applications already in play that you could add on just for property management and it would work on their system to integrate everything.

What a good app to keep track of leases with tenants and collected rent money each month and automatically apply late fees if they don't pay on time?