Anova to start charging a subscription fee for their sous vide cooker app

They've replaced Bluetooth with Wifi connectivity in all new models and now give their backend costs as a justification for needing an app subscription:

  Anova's CEO has suggested that the decision to start charging 
  a fee was inevitable financially, writing, "Our community has
  literally cooked 100s of millions of times with our app. 
  Unfortunately, each connected cook costs us money.

Gauntlet is thrown.

> a commenter called David, who claimed to own three Anova products, asked if the company could "open source the communication protocols and allow the community to take over." "I suspect there is a strong overlap between people who own sous vides and developers (me for a start)," David said.