gps4cam Photo Geotagging App
Tuesday, February 28, 2012 at 8:16PM I'd read a review on Terry White's Best App Site at http://www.bestappsite.com/2012/02/20/geotag-photos-pro-works-great-with-lightroom-4/ for Geotag Photos Pro. I'd had this app on my phone for a while now but hadn't actually got around to trying it out on a trip. It had a large time display for manually synchronising your cameras to, but it still always depended on the camera time and GPS app time being in sync.
What did intrigue me thought was the first comment to this posting, recommending a similar GPS app called gps4cam from http://gps4cam.com/

The difference between this geotagging app and all of the others I've seen is that the cameras and phone app don't have to be exactly in sync to get accurate geo locating as the app can generate a bar code at the end of a trip and you take a photograph of the bar code and a free companion desktop program will work out the time offset between the time encoded in the bar code and the time that the photo of the bar code was taken and insert the correct latitude and longitude details into your photo data.

This means that any number of cameras can use the same trip data to geotag the photos, always assuming they don't stray too far away from the person with the phone app.
I also wondered how long you had to take a photo of the bar code that the app generates but when I tried it I was pleasantly surprised to see that the bar code gets updated every ten seconds.
I've only used this geotagging app on one trip so far but I've been very impressed with the ease of use and the results. It's well worth trying out for yourself.




