Modtub 2.0 Cold Plunge vs Renu Therapy Cold Stoic Pro — Which Should You Buy?

Side-by-side comparison of Modtub 2.0 Cold Plunge and Renu Therapy Cold Stoic Pro. We compare specs, performance, and value to help you decide.

Updated 2026-03-09 Independently reviewed
Modtub 2.0 Cold Plunge

Modtub 2.0 Cold Plunge

9/10
$2495 /one-time
VS
Renu Therapy Cold Stoic Pro

Renu Therapy Cold Stoic Pro

8.6/10
$2495 /one-time

Feature Comparison

Feature Modtub 2.0 Cold Plunge Renu Therapy Cold Stoic Pro
Temperature Range 37°F - 104°F with chiller 42°F - 104°F
Cooling Unit Optional 1 HP Integrated 0.5 HP
Tub Material Rigid plastic Acrylic
Capacity 100 gallons 80 gallons
Dimensions 72" L x 28" W x 28" H 60" L x 24" W x 24" H
Weight 95 lbs empty 120 lbs empty
Filtration Built-in Ozone
Warranty 2 years 2 years

Modtub 2.0 Cold Plunge

Pros

  • ✓Rigid construction
  • ✓Built-in filtration
  • ✓Optional chiller
  • ✓Sleek design
  • ✓Easy maintenance
  • ✓No inflation
  • ✓Consistent temps

Cons

  • ✗Not portable
  • ✗Chiller sold separately
  • ✗Higher price

Renu Therapy Cold Stoic Pro

Pros

  • ✓Compact design
  • ✓Integrated chiller
  • ✓Ozone filtration
  • ✓42°F cooling
  • ✓Indoor/outdoor
  • ✓Efficient
  • ✓Plug and play

Cons

  • ✗Smaller capacity
  • ✗Single person
  • ✗Compact for tall users

Our Verdict

Modtub 2.0 Cold Plunge

Best rigid cold plunge for permanent setup.

20% Off — Limited Time, Check Now

Renu Therapy Cold Stoic Pro

Best compact cold plunge for apartments and small spaces.

20% Off — Limited Time, Check Now

Our Methodology

We test each cold plunge tub for cooling performance, build quality, and ease of use. No manufacturer has editorial influence.

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