Amazon has the Honeywell UltraPro Z-Wave Plus Outdoor Grounded Outlet Plug-in Switch (39363-CS2) for $23 with free shipping on $25+ or with Prime. Can be voice-controlled with Google Assistant or Amazon Alexa (requires compatible Z-Wave hub).
7-Day programmable thermostat is compatible with both iOS and Android.
Up to 43% off Thermostats. Today only. Home Depot has the Honeywell Lyric T5 Wi-Fi Smart Programmable Touchscreen Thermostat (RCHT8610WF) on sale for $74 with free shipping.