FeatureMapper vs ArcGIS Navigator

Collect GPS location-based notes as KML Placemarks (location, name, comment and paddle color). View lat/lon data in decimal, DMS, and UTM formats. Import and export data sets as KML formatted email attachments. Field data collection for utility workers, tree trimming companies, environmental consultants, and all other service staff gathering information about the facilities they maintain or service in the field. Tap the "+" button to add a single Placemark. Tap the record button to automatically create new Placemarks at the interval set on the Options screen. While the record button flashes, the app will continue to collect Placemarks in the foreground or background. Tap the record button again to stop collecting location data.

ArcGIS is available on your desktop, in a browser, and now on your iPhone or iPad. Navigate to where you need to be, unlock efficiency, and improve your field workforce reliability.  To use Navigator, you must have an ArcGIS account and a Navigator license. Key Features: - Use voice-guided turn-by-turn directions with automatic route recalculation. - Navigate completely offline with locally stored data (even in the background). - Access Esri's navigation maps or use your own maps—search your assets, route on your roads, and view your layers. - Follow shared routes. - Complete stops one at a time, or create a work list for an entire day's work. - View information about your assets. - Use vehicle-specific travel modes. - Receive stops from an email, your own app, or other ArcGIS apps such as Collector for ArcGIS. Note: Continued use of GPS running in the background can dramatically decrease battery life.