I used to love this app so much...it helped me a lot during my exam preparation....not now I really hate this app Accidentally my sister deleted the app and when I downloaded the app again,I went to sign in to the app ... when I pasted my email there! It shows that'this email already exists'... All my groups,my recorded study hours has completely gone😒😒😒 And I was able to log in...so I just logged in with my mom's email...hope you help me and respond to this....