Yes, also with contrast to klipfolio, squealy lets you deploy the application within your own heroku account which eliminates the need to share database credentials with any third-party product.
No there isn't one yet, but we are planning to have a marketing site which will include the demo as well.
For now, all you need is a publicly accessible database and a free heroku account. Squealy supports one-click deploy to heroku. You can deploy within minutes and play around with the tool.
Please share your feedback with us once you use it.
Squealy focuses more on APIs rather than giving out-of-the box visualizations. With custom APIs, you can easily embed the reports within your own dashboard that can be shared with all your customers.
Also squealy lets you write Jinja templated SQL queries that's helpful in extracting some complex insights from the data.