Can I do the Android part only, I assume that you have the native Android and iOS apps
I am the individual professional developer in Android platform, and have more than 6 years experience on this platform. I did many projects such as Barcode Scanner,certificate management, GPS tracker, Customized Lock Screen, Social App(integrated email/facebook/twitter) and fancy ToolBar etc. In the other hand, I have experienced in developing wearing apps, such like heart rate monitor in Android Wear Platform. The delivery time and price are negotiable.