There are several mobile apps with "ETS" in the name for specific regional or institutional services:
If you are taking a "Home Edition" or remote-proctored exam, you must download the proprietary secure browser from the official to ensure a secure testing environment. How to Download & Install Windows: Visit the official ETS At-Home Equipment Check page. ets application download
For engineers and installers, the is the manufacturer-independent configuration tool for smart home installations. How to Download & Install There are several mobile apps with "ETS" in