Simplicity is always a good choice in design. But by playing with the colors of your icons in Thrive Architect, you can bring this level of professionalism or sophistication to your business.
Here are examples of different styles you can create with Thrive Architect:
One Color (Inverted) with different corner radius.
Two Colors (white background with a border)
Two Colors with a border
Striped Background (with drop shadows)
Using simple but elegant design elements like those icons can help give this premium feel to your products and service. This can be a simple way to command higher prices and/or increase your conversion rates.