Smartphone apps called "Share and Earn Money Apps" encourage users to refer others to the app in exchange for money. These apps usually use referral schemes in which users who sucrummi olacessfully bring in new members are rewarded with commissions or bonuses. The number of referrals a user generates directly relates to their earning potential. The low entry barrier and short time investment needed to earn extra revenue make these applications popular. They frequently appeal to people looking for extra income or passive sources of income.