This issue is typically because your mobile device is accessing the mobile version of the site, which will not display the Help button. 

Below are instructions on how to request the desktop version of websites with either Safari or Google

Chrome: 

Safari:

1. Go To Settings on the IOS device.
2.  Select Apps
3.  Click on Safari.
4.  Scroll down until you see Request Desktop Website.

Google Chrome:

1. Go to http://finance.tradesmith.com in your Chrome web browser.  In Chrome web browser  will need to click on the Ellipsis in the bottom right-hand Corner

2. Scroll Down and select Request Desktop Site to see the help button on mobile devices.