does the blue days mean we can not get pregnant &' those are the best times 2 have sex ?

a condom broke during sex &' he pulled out as soon as it did because he felt it &' there wasn't a percentage sign of how high pregnancy is for me on the app&' i was a day after ovulating &' he didn't cum, we put on another condom &' he had ejaculated in the new condom that wasn't broken, on the calendar view where it gives us percentages of pregnancy are those the times we can not get pregnant &' those are the best times 2 have sex ? am i ok? i feel like i am, my period is due in the next 11 days &' i feel cramps &' back pains regular period symptoms, i could b over reacting?