Free cold plunge tools

Two free interactive tools: figure out what cold plunging really costs you, and time your sessions with guided audio cues.

🧮Cost calculator

Studio vs. at-home tub: enter your sessions per month and see the exact month a tub pays for itself.

⏱️Plunge timer

Guided box-breathing warmup, plunge countdown, and rest — with gentle audio cues. Built for your phone.