Personal preferences around smartphones and wearables aside, Apple's long-anticipated product debuts on Tuesday--bigger iPhones, a smartwatch, a payment app, and other features--could offer some big opportunity for entrepreneurs. Or some big competition.

Big tech companies wield a lot of influence for small businesses, and Apple is certainly no exception. But just how far-reaching and significant are these new products for startups? Inc.asked five experts what they think. Below are their predictions on what the news means for a number of important sectors.