visible Body is having their applications on both Android and iOS for sale at $0.99 each (normally $24.99+). Those apps provide great amount of information at this price. Google Play- Android: Human Anatomy Atlas: Complete 3D Human Body $0.99 Physiology & Pathology: Body Processes and Diseases $0.99 Muscle Premium - Human Anatomy, Kinesiology, Bones $0.99 Anatomy & Physiology:Intro to Human Body system $0.99 Apple iTunes- iOS: Human Anatomy Atlas: Complete 3D Human Body $0.99 Physiology & Pathology: Body Processes and Diseases $0.99 Muscle & Kinesiology: Musculoskeletal Reference $0.99 Anatomy & Physiology:Intro to Human Body system $0.99