MyFishFinder.com Just like iceshanty but warmer
If you get the navionics app for your phone, that will get you to a desired depth as your traveling out on the lake.
Navionics US & Canada Boating. I think it's around $15 or so. only app I've ever actually spent money on.https://play.google.com/store/apps/details?id=it.navionics.singleAppUsaCanada&hl=en_CA
It will only show a flat bottom. Same as if you were jigging in a stationary boat.Playing with the sensitivity you can tell if it's a hard or soft bottom and if there are weeds present. Weeds will look like fish but never move.
Anyone use the Vexilar depth sounder? Amazon has it for $170. Would be handy to shoot depths from ontop the ice.