I wrote a trading simulator app for iOS. It's not a huge earner, but does give me some pocket money. It's not exactly passive either since I still develop on it

I wrote a trading simulator app for iOS. It's not a huge earner, but does give me some pocket money. It's not exactly passive either since I still develop on it, but I would probably be doing it anyway - the fact people buy it is just a bonus. https://itunes.apple.com/us/app/spoof-trader-trading-simulator/id560758114?mt=8 https://itunes.apple.com/us/app/spoof-trader-trading-simulat...