The is a surprisingly mature entry from a company better known for inflatable boats than dive algorithms. It sacrifices mainstream aesthetics (size) and convenience (no AI) to deliver one thing divers actually need: a reliable, easy-to-read, conservative-yet-adjustable decompression computer .
The app interface is minimalist but functional. You get temperature graphs, depth profiles, ascent rate charts, and tissue loading graphs. Exporting to Subsurface or Diving Log is seamless via UDDF files. zodiac open 4.2 review
For the open-water diver who dreams of wreck penetration or deep tech, this is the most affordable upgrade path on the market today. For the vacation diver who does two reef dives a year, it is overpowered overkill. The is a surprisingly mature entry from a