The combination reflects demands for easier, faster installs and the increasingly sophisticated expectations of end users who drive their lives through smart wireless devices and multiple personal computers. 
Wi-Fi reduces installation times and upfront equipment costs compared to similarly equipped GSM systems while the Lynx 5100 mobile app is a secondary keypad that homeowners can use to control other home systems such as thermostats, lighting and door locks and which can help save money on energy bills and increase peace of mind and personal security.  
According to Honeywell, these advanced services are less expensive on a monthly basis when using the Internet as a communications path, versus a standard GSM installation.