You can enter a chart of accounts, and then enter payments and charges for any category you like, including recurring payments and such.  

I have this recurring fantasy of printing up a big stack of signs that read "And Give THE BEST H**D!"

They support having the tenant setting up recurring auto payments.

Most lenders are looking at recuring income to make payments on the loan. 

Enter recurring charges and automatic late fees.

Google sheet with 3 or more columns: Description of task Time spent (in hours)Date of taskYou could consider splitting the sheet between recurring (day-to-day, like finding tenants for Airbnb) and non-recurring (repairs, renovation) to simplify this. .

They can download your transactions from your bank, and even auto-tag recurring transactions.

Do one task at a time in each app to compare apples to apples.Load a property with pictures and details.Market that property.See what your marketing looks like from the public's perspective.Submit a fake application to see how easy the process is.Run a credit/screening report on yourself.Enter a maintenance request, assign a vendor, and attach a fake invoice.Enter charges to the tenant's ledger.Enter recurring charges and automatic late fees.Sign documents electronically.Run owner reports.After testing a few apps, one should stand out for you.

Being an agent requires a lot of your time and money upfront and the recurring yearly fees can be in the thousands of dollars. 

One of the recurring pieces of advice I get is to help realtors run their open houses, and to do sign in and be a resource for the realtors clients, but not to solicit business.