A few years ago, between Child 1 and Child 2, while on maternity leave I discovered apps for home workouts that I could do just using my phone. Best of all? Most of them are free! Check your app store and get going. My all-time favorite app is Fitness Blender. Its no-frill workouts are simple and put together by a husband-and-wife team. You can choose different types of workouts, from easy 10-minute routines to challenging one-hour workouts. The Down Dog app for yoga offers free yoga sessions for all fitness levels. The …