Acorn

: Links to your cards and rounds up purchases to the nearest dollar, investing the difference once it hits a $5 threshold.

“I’ve been using Acorns for around 10 years... It's such an easy and mindless way to save, and I've loved watching my money grow effortlessly.” Trustpilot : Links to your cards and rounds up

Acorns is widely reviewed as a top-tier app for beginner and passive investors, primarily due to its automated "Round-Ups" feature that invests spare change from everyday purchases. While highly praised for its simplicity, experts and users often caution that its flat monthly fee structure can be expensive for those with small account balances. : Links to your cards and rounds up