You can read their own articles and see there has been no marketing to this point.
Also they said they had over 2,000 people signed up to use what they called a public beta months ago.
This was clearly not true because there have only been 1,100 total downloads across all devices months later.
The total number of actual active users is maybe 20 which you can tell by the results of their weekly contest.
This is all verifiable facts, do your own research.