The Aloxs is quite comfortable and in freefall you can set it to show to the nearest 50m. for e.g. 1.95km... 1.90km...1.85km... etc
It has canopy time as well apart from the logging that other products provide.
It is quite accurate when I compare the data to that from Flysight for my jumps. I would prefer it over the Viso II... I would prefer Ares II but then again for the money you pay (unless doing night jumps requiring backlight), Aloxs is still my preference. Currently looking for it again - as I lost it while setting it up on a commercial flight... and reaffirming the decision when I first went for it...