It offers all its features for free, without limits. Also, it's really easy to configure and customize which is great.
You would expect the features to be sub par vs similar paid apps, but they are not, they do what they are supposed to do in a really good way.
This is the right tool if you want a simple, yet powerful live chat + ticket system on your websites to improve your business, as you will be able to start conversations with potential customers at the right time to help them make a decision, but also, you will be more available to the current ones, improving your relationship.
Nothing, I think that it's a really good tool, but it could increase the number of native integrations.