POIViewer is an advanced tool designed for managing Points of Interest (POIs) on iPhone devices. This application allows users to efficiently load, manage, and display POIs on maps, supporting various import formats such as CSV, GPX, KML, and more. Users can easily import places from sources like Foursquare and Wikipedia, while also enjoying the ability to selectively show or hide groups of POIs, even when dealing with large datasets. The app integrates seamlessly with popular GPS navigation apps, providing a versatile solution for travelers and navigators.

The application also offers extensive features for POI editing and organization, allowing users to edit titles, comments, and coordinates. Users can view nearby POIs, access Google Streetview, and explore multimedia options such as photos and tips from Foursquare and Wikipedia. With customizable icons, monitoring capabilities, and export options, POIViewer stands out as a robust travel and navigation tool, enhancing the experience of managing location-based information.