Can someone without Cash App send me money to my Cash App?

Yes, but the exact method depends on what payment tools they do have. If the sender does not use Cash App, they generally cannot send money through Cash App directly. Instead, they may need to use another service such as Zelle, Venmo, PayPal, bank transfer, or even a card payment if supported elsewhere. If you want people to pay you easily, it helps to offer more than one payment option. You can also share your Cash App tag if the sender has the app. In practice, the best setup is to give customers or friends a few ways to pay, not just one app. That makes it easier for people who use different platforms.