I work in the HVAC industry as a career long service tech. Our company sells and installs T6 Lyrics as our non-communicating equipment Wi-Fi stat option and has done so for years with very little problems. My last house I put this same model of thermostat in and again I bought another one for my new home. They are reliable and trustworthy, simple to use. Do I feel that they are as strong of a value as they were when they first came out? No, the Emerson Sensi provides a better bang for the buck value nowadays but we don't carry them at work where I have access to them at reduced prices.
It is hard to do simple things like setting a schedule. The app that comes with it doesn’t honor the schedule set. I am seriously considering switching to Nest. This thing came with the home.