Both are nice, get one of each 

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Which is the better one?Or just get two of the better one.
I like the extra programmable info of the peregrine but it wastes a lot of space in the top 2/3 of the screen, the tern is more readable for what I want to see, I wish there was so much space wasted on safety stop through the dive but it’s still pretty niceYes.
(the Tern TX, obviously...)![]()
Thanks, stuartv.Zero importance. The Buhlmann/Gradient Factor algorithm that comes as standard is all you need.