Education tied to action. Acorns simplifies the complex topic of compound interest by using an interactive tool that shows potential growth from recurring investments. At the same time, it introduces new features like Paycheck Splits and Round-Ups, encouraging users to take action and enhance their investment strategy.Education tied to action. Compound interest is a difficult topic to explain, but Acorn's interactive recurring investment tool shows you what you could make from recurring investments while simultaneously presenting new features for you to adopt.