Red - yes you are right even if total revenue growth is just 15% per quarter that's a lot better than many companies do for sure! It really would be compounding so as you say more than just 60% in a year. That's nothing to sneeze at! Lots of companies would love to have 15% steady revenue growth!

You are quite correct on Apple 5% revenue decline from same quarter in 2018, as I own a small amount of shares in it and of course follow it closely just like VERB:

Cupertino, California — April 30, 2019 — Apple today announced financial results for its fiscal 2019 second quarter ended March 30, 2019. The Company posted quarterly revenue of $58 billion, a decline of 5 percent from the year-ago quarter, and quarterly earnings per diluted share of $2.46, down 10 percent.