How do you add another person in the same house the Sims free play?

To add another person in the same house in The Sims FreePlay, go to the house you want to modify and tap on the “Manage” icon. Select the “Add Sim” option, which allows you to either create a new Sim or invite an existing one from your Sim Town. If you choose to create a new Sim, customize their appearance and traits. Once done, the new Sim will join the household and can interact with the existing Sims.