At least here in Columbus, Yellow Cab does have an app for that: https://itunes.apple.com/us/app/id628065359?mt=8 https://itunes.apple.com/us/app/id628065359?mt

At least here in Columbus, Yellow Cab does have an app for that: https://itunes.apple.com/us/app/id628065359?mt=8 https://itunes.apple.com/us/app/id628065359?mt=8 or https://play.google.com/store/apps/details?id=com.apcurium.MK.YellowCabColumbus https://play.google.com/store/apps/details?id=com.apcurium.M... With all the crazy laws surrounding taxis and liveries, I wouldn't be surprised if an app like that is illegal in some municipalities.