Metatracker Pro is a free iPhone app developed by ENDO Medical Inc. It falls under the Lifestyle category with a subcategory of Health & Fitness. This app allows users to access a metabolic analysis system and obtain real-time data on their clients' metabolic information.

With Metatracker Pro, users can easily track their clients' metabolic profiles during resting or active tests. The app also provides the functionality to manage clients' lists and request services at the checkout options. Users can conveniently view their current credit balance and easily top it up if needed, all within the app.

Key features of Metatracker Pro include the ability to add new clients to your customer list, perform metabolic testing using the system, choose from a selection of system protocols or customize your own protocols for active tests. Additionally, the app offers a recommended protocol based on your client's fitness level. Users can also request services and easily top up their credit balance.

Overall, Metatracker Pro is a comprehensive and user-friendly app that provides professionals in the health and fitness industry with real-time metabolic analysis capabilities and convenient client management tools.