How should a kid get paid if they are too young for payment apps?

Cash is the default and there is nothing wrong with it. The part that goes wrong is the record.

A kid who collects twenty dollar bills all summer and writes nothing down cannot answer the one question that matters, which is what they actually made. Take the cash, and write down the date, the customer, and the amount the same day. A notebook is enough. Doing it later never happens.

If an app is the goal, the age floors decide it. Venmo and Cash App both offer teen versions from thirteen with a parent attached. Zelle and PayPal are eighteen and over. Under thirteen, there is no good app answer.

The workaround plenty of families use is payments landing in a parent's account with a running log of what belongs to the kid. It works, and it has one failure mode worth naming: the money becomes abstract. A kid who never handles it or sees a balance move loses the connection between doing the job and getting paid, which is a surprising amount of the point.

A few practical habits that make this easier regardless of method.

Say when payment happens before the job rather than after. At the end, on the day, weekly, whatever it is, decided in advance. Most awkward money conversations come from nobody having said.

For anything recurring, monthly beats weekly. Collecting six dollars from ten houses every week is forty small conversations a month and it is what kills bin and lawn routes. One monthly payment is the same money and a quarter of the friction.

And write a receipt for anything substantial, even a text saying thanks, that is thirty five dollars received. It looks fussy and it prevents the one argument that costs a customer.