勉強をやる気にさせる『Studyplus』 Studyplus(スタディプラス) 勉強記録・学習管理 - Apps on Google Play Cumulative number of members exceeded 8 million! Studyplus is a study habit app that keeps you motivated by recording and visualizing your daily study time. I will support you if you can't keep up with your studies. play.google.com 2018-09-09
