Every year, as Women’s Day approaches, gadget and app makers start flooding the market with stuff. This is their way of saying they are aware that today’s woman balances various roles adeptly. But even then, technology can go a long way in making lives simpler.

In recent years, some apps have been introduced to help women with their diet and exercise schedules, plan the wardrobe, keep track of their ovulation cycles, be an assistant in the kitchen and even help her sleep after the full day of running around. Here are a few...