Update frequency of SafeZone ... versioning compared to Google Chrome

Can I assume that the browser “Avast SafeZone” will update automatically when I start it, so similar to Google Chrome? I didn’t find the answer to this question on the FAQs on
https://www.avast.com/faq.php?article=AVKB209

SafeZone’s “About” says: “1.48.2066.101 - Avast SafeZone is up to date”.

When I go to the site www.google.de/search with SafeZone this page says:
“You are using an old Chrome-version. Stay safe in the web and execute an update”.

The site www.tracemyip.org recognizes this browser as “Chrome 48.0.2564.109”, which certainly is not true.
The most current version of Google Chrome is “50.0.2661.102 m (64-bit)”.

Suppose Google Chrome’s version is actually greater than the one of Avast SafeZone browser, does this mean the latter has not all the security patches included that the former already has?