POI+ is a simple and straightforward iPhone app that can add or edit exisiting nodes, ways and relations in OpenStreetMap
git clone git@github.com:davidchiles/osm-poi-editor-iOS.git --recursive
change OPEAPIConstants_example.h to OPEAPIConstants.h
To use bing as a tile source or make edits to OpenStreetMap fill in the necessary fields in OPEAPIConstants.h
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This software is available under the terms of the GNU GPLv3. Full license terms