Renu Therapy Cold Stoic 3.0 leads on our weighted scoring by 0.9 points over Plunge Pop-Up. Plunge Pop-Up costs $8,409 less — about 74% — so the question is whether what Renu Therapy Cold Stoic 3.0 adds is worth that to you. They separate most on price (Plunge Pop-Up), overall score (Renu Therapy Cold Stoic 3.0) and minimum temperature (Renu Therapy Cold Stoic 3.0) — those are the rows worth reading closely. In short: Renu Therapy Cold Stoic 3.0 for design-led buyers who want a long warranty; Plunge Pop-Up for first-time plungers wanting a big-brand starter system.
| 2 products | ![]() Plunge Plunge Pop-Up | ![]() Renu Therapy Renu Therapy Cold Stoic 3.0 |
|---|---|---|
| Price | $2,990 | $11,399 |
| Overall score | 7.5 | 8.4 |
| Minimum temperature (°F) | 39 F (Standard Chiller) | 37 °F |
| Chiller (HP) | 1/2 HP Standard Chiller (base configuration) | 0.5 HP |
| Capacity (people) | 1 person (up to 6'9") | 1 person |
| Water volume (gal) | ~95 gal (~810 lbs filled) | 95 gal |
| Filtration | 20-micron filter | Dual-stage filtration |
| Sanitation | Ozone sanitation | Ozone |
| Noise (dB) | — | ~54 dB |
| Electrical | 120V / 15A GFCI outlet, 15 ft built-in cord | 110V / 20A |
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Plunge
Best for First-time plungers wanting a big-brand starter system
Renu Therapy
Best for Design-led buyers who want a long warranty