3+ similar apps compared and reviewed
SpeleoDB is great, but it's not the only option. Explore 3+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.
Easily convert coordinates between Decimal Degrees, Degree Minutes, and Degree Minute Seconds. Pick locations from a map, view converted coordinates and addresses on the map, and copy them for notes. Email KML files of your converted latitude and longitude.
This navigation tool calculates magnetic variation, the difference between true and magnetic north, essential for plotting courses on maps. It's designed for pilots, sailors, cartographers, and anyone using maps and a compass.
Find approved cylinder requalifiers by city, state, or zip code. Get addresses, contact details, and authorized testing methods for each entity. This tool helps users locate qualified professionals for cylinder inspection and certification.
