NanaTimer - Study Timer

“NanaTimer” is a timer that sets your goal to study for seven days. ∙ Set your seven-day study hour goal and study with “NanaTimer.” ∙ The timer keeps running when the screen is off. ∙ Check your achievement with the study progress graph. ∙ Manage your study hours by checking your progress. ∙ Try reaching your study hour goal within seven days!