Pros:

• 
  For the price I think it is very affordable.
• Create Userflow easier. You can directly create userflow for various purposes such as website, organization, process, etc.
• There are a variety of beautiful templates. You do not have to create your own template, everything is provided.
• Save time, effort, and money.

Cons:

• Nothing.

My Thought:

Recommended Service. It's Cheap and Easy!