checkerfred wrote:I like Caltopo ok if I'm sitting at a computer...but even then, when you start putting thousands of points in there, it starts getting clunky. Plus it's not ideal from a cell phone. It may be that we have to sync with something else and then import into our app of choice...not ideal but it's tough finding an app we like that has the features we like. Most of the ones we see have terrible aerials or they're not cache-able
You're not wrong...for sharing data we're typically looking at laptops. On phone we have different apps, I use BackCountry Navigator (supports caching) which has an option to import from Caltopo.