Source: Google
Google has officially begun merging its two video chat apps into one. So, if you're seeing two Google Meet apps, you're not hallucinating. The company announced this merger in June. It plans to keep the Meet brand name while bringing the best code bases into the Google Duo app. According to Wired, we'll start seeing Duo's app and website branding swap over to Google Meet this week. As with other typical rollouts, it might come your way later than others. But Google expects to complete the rebrand by September.
For now, you will be seeing two apps labelled "Google Meet (original): The updated Meet app" and "Google Meet: The updated Duo app." Google will eventually put out the original app to pasture, but it's sticking around for now until Google develops the meeting feature on top of Google Duo.