Stoup GeoTagger is a geotag application build only for OSX.
You may need the User Guide.
For questions or love/hate Stoup Geotagger, please contact support.
We have a MacUpdate Page, you can head it for more comments or leave comments for others.
We may change the paid model to in-app purchase model. Before that we'll stick to current one time payment model.
Any questions you can contact us, we will give you the best assist.