Try iWall for Free!

You can use iWall Lite to try out most of the features of iWall Pro and iWall Max with up to 30 messages per day, then you can buy a license to enable more features and remove the daily messages limit.

What do you need to use iWall?

A computer running Windows 7, Windows 8.1 or Windows 10.
A connection to the Internet.
A secondary display or projector configured as extended desktop.
A Twitter account if you want to receive tweets with the event hashtag.
An Instagram account if you want to receive photos with the event hashtag.
A Gmail account if you want to receive emails.
A Multitech MTD-H5-2.0 modem you can buy from Digikey or Arrow if you want to receive SMS text messages and Twilio is not available.