I have the chance to use this application while using the Salesforce. This app really helps me to understand and learn about new things, also manage to handle the progress as well. Easy to use and simple Review collected by and hosted on G2.com.

I think the integration of the app itself. I'm using different gadgets to access these apps, but when using my iPad I found it a little glitchy or laggy when accessing the content. Maybe my iPad is so old, I'm not sure either Review collected by and hosted on G2.com.