KNCTR definitely not viralDownloads are fixed between 75 - 85 K weekly which is actually linear growth and diminishing rate when compared to the overall number of downloads.
5/26 - 117,137
6/2 - 79,622
6/9 - 86,000
6/16 - 75,000
6/23 - 80,000
Note that while they tout the time that the average active user spends on the app, they do not reveal the number of active users.
That's to me is a big red flag, particularly since the amount of time that active users spend on knctr has not changed.