Apps for smartphones that let users enter Captcha codes to earn money are called Captcha Typing Earn Money Apps. Often used on websites & online platforms, these codteen. patties are made up of twisted letters & numbers that are meant to identify human users from automated bots. Large-scale data verification is a requirement for many businesses, which raises the need for human input in captcha solving. By correctly typing Captcha codes, users can download these apps, register, and start earning money.