IHEALTH SMART GLUCOMETER [due September] will attach to the base of an iphone or ipad to measure blood sugar. WITHINGS BLOOD PRESSURE MONITOR [$179] measures systolic and diastolic pressure and connects to an iphone. FITBIT ULTRA [$US99] is a clip that monitors steps, incline, sleep and calories burnt. JAWBONE UP [$US99] is a wristband that measures movement and sleep. ZEO SLEEP MANAGER [$US99] is a headband to track sleep patterns.