The seven apps every woman should own

Tech hasn’t always been female-friendly – but a new wave of apps is changing that. From contraception to workouts, here are the ones Guardian writers swear byBack in 2014, Apple released HealthKit, an app that let people keep track of a vast array of health and fitness data – everything from blood alcohol levels and sodium intake to body temperature. What you couldn’t track, however, was your period. Not one person at Apple had stopped to think a period tracker might be u