BetterDry are a breed all their own, I haven't seen any other diapers (except crinklz, which are made by the same company, Thrust Vector) that are anything like them. This makes them a bit difficult to compare with other diapers. They're a European brand that doesn't really have a good outlet in North America, so they're more expensive on the average for what you get.
From my experience their best features are soft shell, sticky tapes, soft padding, fast wicking, and very tall standing leak guards. The cons seem to be low padding in the front/back, clumping and breakdown when wet, and easily damaged/ripped shell. They also swell a LOT when wet, which could be listed either way.