But Robinhood will next year according to the announcement: Starting early next year, we’ll support Dividend Reinvestment Plan (DRIP) and Recurring Investments. Automatically reinvest cash dividends back into your stocks and ETFs, and schedule recurring investments
I'm not sure if you can buy fractional shares outright but all of my ETFs in vanguard contain partial shares as they are all set up to reinvest dividends.
