Not very flash but usable.
I always have my phone with Topo maps installed so it’s not an issue as the phone is used for photos and easier messages when connected to the inReach. Of course usually I have a paper map and compass back up.
Battery lasts well if you only switch on when you use it rather than on all day. I can get 4-5 days for mine with a bunch of messages each day both ways. If I need more I just take a battery pack to recharge it.
Mine is inReach + with maps etc.
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