When I purchase an app like Sparrow, I do it to satisfy an unmet need. That they got bought out doesn't eliminate any of the value I got from purchasing the app.
Buying an app with the intent of supporting someone implies that you're doing them a favor, and that you're not getting value for value.
Buying an app with the intent of supporting someone implies that you're doing them a favor, and that you're not getting value for value.