It's a phone app, dude. You don't need a whole team working full-time jobs unless your business model is to make money. You can still provide a good application for free if that's your goal and intention. And it can still provide a good product. Nobody pays for Linux and is the backbone of virtually everything we use by virtue of the fact it's free and open source.
Suckers pay for software and greedy bastards expect suckers to pay for it.
Suckers pay for software and greedy bastards expect suckers to pay for it.