Glow: Ovulation & Period Tracker is described as 'The ovulation tracker, period tracker app. Health tracking in Glow is simple and free, our ovulation calculator prediction gets more accurate as you enter more data. Couples who used our ovulation tracker are 40% more likely to get pregnant' and is a Period Tracker in the sport & health category. There are more than 25 alternatives to Glow: Ovulation & Period Tracker for a variety of platforms, including Android, iPhone, iPad, Apple Watch and Android Tablet apps. The best Glow: Ovulation & Period Tracker alternative is drip., which is both free and Open Source. Other great apps like Glow: Ovulation & Period Tracker are Mensinator, Tyd, March Health and Periods Date.