Whilst I agree that I could indeed use GA for this, there is often merit in a simple, easy-to-use service that gives me that quick overview. I hate checking Google Analytics on my phone for example, but I'd probably pay a few bucks for a nice overview, and alerts etc. Keep going!
Thanks for the kind words of support!
What's the unique value prop here? How is this different than using Event tracking in Google Analytics?
Take a look at Google Analytics: Events.
The same thing but for free.