HomeAppsMedicalOB WheelsApps like OB Wheels Here are some great alternatives to OB Wheels by Joshua Steinberg MD : Pregnancy Wheel ★3.4 Pregnancy Wheel ★4.2 Pregnancy Calculator Pro ★4.6 Obstetric Calculator ★4.4 OBS Calc -Pregnancy Calculator ★4.5 Pregnancy Due Date Calculator ★4.5 Pregnancy Weeks Calculator ★4.6 Pregnancy Calculator: Due Date ★4.8 Pregnancy Calculator ★3.0 Gestational Age (baby's age) ★5.0 Pregnancy Tracker & Calculator ★4.2 FAST Pregnancy Calculator ★4.9 Pregnancy Tracker - Lifeing ★4.5 Pregnancy Tracker : Baby Care ★3.7 Period Tracker-Cycle & Ovulati ★4.8 Pregnancy Tracker: amma ★4.6