I think more accurately, it&#x27;s a standalone app that runs on the chrome runtime. You get windows, osx, linux &amp; chrome os all at once. The chromebook is touted as the secure desktop for the non-technical user.<p>You can take the app and make your own standalone runtime version if you want and audit &#x2F; test your standalone version to make sure it&#x27;s only communicating with open whisper systems.