Geotagalog makes it easy to geotag photos as you import them into iPhoto.
Open a tracklog, connect your camera, and you're almost done.
Location-enable your favorite digital camera!
More info
Download (v1.3.1)
Buy ($19.95)
Mercatalog helps you arrange pictures geographically using drag and drop. Organize your photos on a map,
create a Google Earth KML archive to share with your family and friends, or export your files with EXIF location
metadata.
More info
Download (v1.0.1)
Buy ($29.95)
Resistulator is a handy (and handsome!) resistor value calculator for your iPhone or iPod touch. More info Buy it
Cheap GPS is the simple solution to your navigation and geohashing needs. Or just geohashing, for even Cheaper! More info Buy Cheap Get Cheaper