Younger workers have high unemployment rates and declining rates of labor force participation, according to a new U.S. Government Accountability Office report released Tuesday. But some brave souls are fighting back against high levels of government spending that threaten to engulf future earnings.

Take 25-year-old Kyle Smith, who’s getting his Master of Science in engineering at the University of Texas. He’s invented a new, 99-cent app, “Debt Bomb,” for the iPhone, iPod Touch or iPad. It calculates how much households would have to pay if taxes covered the entire cost of government spending.