Well it depends on which perspective you're looking at.
Its true that mobile app is the trend now, but if you probe
deeper, how much traffic can a single brand specific mobile app
benefits a person? Considering that it is still the business
owner/marketing dept doing the advertising and publicity.
Compare that to CPA/Affiliate marketing where referrals are paid
to generate more sales, this strategy speaks of volumes in traffic
if it's genuinely a good product or service that's being
delivered.