Effective November 11, 2026
NestBar is a Mac app that shows and controls a Google Nest thermostat. This policy explains what information NestBar uses and what it does with it. In short: your information stays on your Mac and is only exchanged with Google.
When you sign in with Google and allow access, NestBar uses Google's Smart Device Management API to read and control only the Nest devices you choose to share. For a thermostat this includes:
NestBar does not access your Google password, email, contacts, files, location or any other Google account data.
NestBar uses this information only to show your thermostat in its desktop widgets and windows, and to send the changes you make (such as raising the temperature or turning the thermostat off) back to your thermostat.
NestBar stores your Google sign-in token, your Google Cloud client details and the most recent thermostat reading in the macOS Keychain on your own Mac. Nothing is stored on any server run by NestBar or its developer.
NestBar communicates only with Google's servers, over encrypted HTTPS connections. It does not send your information to the developer or to any other third party. It contains no analytics, advertising or tracking, and your information is never sold.
NestBar's use and transfer of information received from Google APIs adheres to the Google API Services User Data Policy, including the Limited Use requirements.
If this policy changes, the updated version will be posted on this page with a new effective date.
To contact the developer, use the support email shown on Google's sign-in screen for NestBar.