How to LOG IN in obimy app?

i'm looking at a beam app and to log in basically what you need to do you just uh go to the app and there is no login button uh so if you logged out yeah no worries you just need to enter your same same number you used so yep so that's basically you can try that and yeah all your data will be saved all your full name your date of birth and your contacts will be saved so that's basically how you log in no words there is just no login button but that's fine