Check IO is an easy to-use app to simplify the check in and checkout process. Have you ever spent way to much time waiting for your computer to boot up before you send an email that you have arrived. Realize you forgot to send an email that you’re leaving after you have shut down your computer at night? Well this is an app for you. With one click of a button you can send a email off that you have arrived or you are leaving. A very easy to use app that will save you a few minutes a day and make you more productive.