When I first uploaded it to iTunes, I accidently put the setting as iPhone only.
I corrected it and now you can install and use the barricade calculator app on your iPod touch now.
Remember, no internet connection is needed to use the app so it would work great for crews in the field at remote locations that don’t use iPhones.
All my soon to be released apps should run fine on the ipod Touch, so no reason to have an iPhone just for these apps.
(Other than the fact it is a great phone :))
The page with the info on the app and the iTunes link may be found HERE
PS: You can just search for lance henderson in the App Store to find my apps.