Not useful for what it is sold as.

I purchased this app to covert from WGS84 to NAD83 and NAD83 degrees, minutes, decimal seconds to NAD83 degrees, deciaml minutes. Didnt expect to have to pay another $2.99 to get the other datums to use it. Unless all your working with is WGS84, dont bother.

Eternalwinter about Map Tools