Plunge
The Plunge All-In
$9990
Released 2023
Best Cold Plunge Tubs · head-to-head
A sourced, side-by-side comparison. Cold Stoic 2.0 is cheaper at $9499. Every spec and price links to its source.
Plunge
$9990
Released 2023
Renu Therapy
$9499Cheaper
Released 2023
The The Plunge All-In wins 1 of the 1 specs we compare head to head; the other wins 0. The Cold Stoic 2.0 is the cheaper at $9499. Get the The Plunge All-In for the stronger spec sheet, the Cold Stoic 2.0 to spend less.
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✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | | |
|---|---|---|
| US price | $9990 | $9499 |
| Brand | Plunge | Renu Therapy |
| Released | 2023 | 2023 |
| Msrp usd | 9990 | 9499 |
| Water capacity gal | 105 | 95 |
| Includes chiller | Yes | Yes |
| Min temp f | 37 | 39 |
| Chiller power hp | 1 | 0.25 |
| Interior length (in) | 76.75 | 40 |
| Interior depth (in) | 28.75 | 31 |
| Filtration | Yes | Yes |
| Wi-Fi app control | Yes | No |
| Tub material | fiberglass-reinforced acrylic | acrylic |
| Insulated | Yes | Yes |
| Weight (lb) | 270 | 365 |
Sources — The Plunge All-In: plunge.com (verified 2026-06-23). Cold Stoic 2.0: renutherapy.com (verified 2026-06-23).
Where the two actually differ on the specs we track (9 of 12). Matching specs are omitted.
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
No sourced tester review yet.
One whitelisted hands-on tester body verified: BarBend, which tested the Renu Cold Stoic 2.0 in its own facility. Verdict: a beautifully built, exceptionally clean, well-insulated luxury tub whose integrated chiller cools painfully slowly and whose near-$10,000 starting price is hard to justify (2.5/5 for value, 1/5 for portability). (1 sourced review, 1 lab-tested.)
Praised: Three-stage filtration plus ozone generator keeps water clean with minimal effort; Thick insulation holds cold temperature for hours after the chiller is turned off; Quiet integrated chiller and premium, customizable build with dedicated drain port.
Flagged: Chiller is very slow to cool: 40-60 min per degree, 12-24 hours to reach target; Near-$10,000 starting price is $3,000-$4,000 more than comparable tubs (2.5/5 value); Extremely heavy and non-portable (345 lb empty), manual-only with no WiFi/remote.