Virtual stock trading with real life world market data. No in- app purchases. No freemium features. Plain, simple, free app. Stock Trainer uses real markets and. Stock Wars puts you in the fast paced world of traders and big money. Take your shot and beat the markets! Set up your portfolio and watch. Stock trading simulators vary in the amount of virtual cash they allow you to " invest." On average, we found simulators allow you a virtual budget of $.