FLIR has a bunch of new thermal imaging cameras for smartphones and drones. The FLIR ONE Pro picks up where the previous version left of. It attaches to iOS and Android devices and has an adjustable-height connector. You can attach it to Lightning and USB-C ports (depending on the smartphone you own).
ONE Pro is designed for more advanced users. It features MSX and VividIR advanced image processing for better image quality. You will be able to use it to measures the temperature of any spot with no contact. The company is also introducing Duo cameras for drones.[where to find more info]