Florin, if you can, decide for yourself based on your needs. Others will tell you what's best for them. Being helpful is only useful if you need and use it. Either way the water heats and goes around your food.
Cooking in water is a slowish process that frees the cook to do other things. If not being in continuous contact with your cooking isn't an anxiety-stimulating concept you likely don't need wi-fi. Many of this Community's trusting SV cooks belong to the set-and-forget sect.