Bingo Cash is a legitimate gaming app that offers a fun experience that offers real money prizes in cash games. It provides free practice rounds and has an engaging community. However, it has limited earning potential, and you may need to stake your own money to play.
There are many online bingo apps and games that pay real money such as Blackout Bingo, Bingo Cash, Bingo Clash, Cashyy or Bingo Win Cash.