"캐시키보드 - 돈 버는 키보드" is a unique keyboard app that allows you to earn money simply by typing. By using this app, you can accumulate cash while typing as usual. For every 50 characters typed, you earn 1 cash, with a maximum of 100 cash per day.

Additionally, the app offers a feature where you can participate in a random cash draw up to 10 times a day, giving you the opportunity to earn up to 1,000 cash. As you consistently accumulate cash, you can visit the in-app store to purchase various gift cards. With steady accumulation, it is possible to purchase desired gift cards within 1 to 2 months, with more gift card options continuously being added to the store.