Piggy Bank vs Digital Savings For Kids: The Bottom Line A quiet argument has been building in parenting circles lately: is the classic piggy bank finally outdated, or does a piggy bank vs digital savings for kids comparison miss the point entirely? Some parents have moved their children straight to savings apps that track balances, goals, and even interest in real time. Others still hand their five-year-old a ceramic pig and swear by it. Both sides have research behind them,