Plunge vs Renu Therapy:Which is more popular?
In September 2026, Renu Therapy had more branded searches than Plunge among cold plunge brands worldwide. Renu Therapy had about 1,600 branded searches, while Plunge had 1,000. Renu Therapy made up 19.7% of all cold plunge brand searches we track, and Plunge accounted for 12.3%. When we asked ChatGPT and Google AI Overviews about cold plunge brands, Plunge appeared in all five answers and Renu Therapy in one. Plunge was mentioned before Renu Therapy in every answer.
Who do people search for more?
Renu Therapy, about 60% more searches than Plunge
Who does AI mention more?
Plunge, mentioned in every answer we collected
Who does AI recommend more?
Plunge, named ahead of Renu Therapy in every answer
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Top cold plunge brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Plunge appeared in all five answers. Renu Therapy was mentioned in one out of five: in one of the three ChatGPT answers, but not in either of the two Google AI Overviews. Plunge was listed before Renu Therapy in every answer.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Plunge5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Ice Barrel3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Renu Therapy1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Morozko Forge1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
BlueCube0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Polar Monkeys0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about cold plunge brands
5 answers
Asked ChatGPT
“Which cold plunge should I buy?”
Asked ChatGPT
“What are the best cold plunge brands?”
Asked ChatGPT
“What's the best cold plunge for home use?”
Searched Google, AI Overview
“cold plunge”
Searched Google, AI Overview
“cold plunge tub”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 22, 2026.
Is Plunge or Renu Therapy more popular in search?
This chart shows how often people search Google for Plunge and Renu Therapy by name. Each line represents a brand's share of searches for all six cold plunge brands we track, month by month, from English-language searches worldwide.
Share of searches by month for Renu Therapy, Plunge. The figures are in the table below the chart.
View monthly share of searches table
| Month | Ice Barrel | Renu Therapy | Plunge | BlueCube | Morozko Forge | Polar Monkeys |
|---|---|---|---|---|---|---|
| Oct 2025 | 43.2% | 12.8% | 8.6% | 9.8% | 12.8% | 12.8% |
| Nov 2025 | 48.3% | 11.6% | 7.9% | 8.9% | 11.6% | 11.6% |
| Dec 2025 | 44% | 13% | 10% | 10% | 10% | 13% |
| Jan 2026 | 41.5% | 12.3% | 9.4% | 12.3% | 12.3% | 12.3% |
| Feb 2026 | 42.5% | 11.8% | 11.8% | 11.8% | 10.4% | 11.8% |
| Mar 2026 | 44% | 10% | 13% | 10% | 10% | 13% |
| Apr 2026 | 43.2% | 12.8% | 9.8% | 8.6% | 9.8% | 15.7% |
| May 2026 | 51% | 9.5% | 9.5% | 8.3% | 9.5% | 12.3% |
| Jun 2026 | 48.2% | 11% | 11% | 7.9% | 11% | 11% |
| Jul 2026 | 42.7% | 12.6% | 12.6% | 12.6% | 9.7% | 9.7% |
| Aug 2026 | 44% | 13% | 13% | 10% | 10% | 10% |
| Sep 2026 | 35.6% | 19.7% | 12.3% | 10.8% | 10.8% | 10.8% |
How has the Plunge and Renu Therapy comparison changed over the last 12 months?
3 findings
- The lead changed hands 2 times in the 12 months ending September 2026: Plunge took it in March 2026, Renu Therapy took it in April 2026.
- Across the 12 months ending September 2026, Plunge’s share of searches among cold plunge brands worldwide moved from 8.6% to 12.3%, and its estimated monthly branded searches moved from 880 to 1K.
- Across the 12 months ending September 2026, Renu Therapy’s share of searches among cold plunge brands worldwide moved from 12.8% to 19.7%, and its estimated monthly branded searches moved from 1.3K to 1.6K.
How did search popularity change for cold plunge brands worldwide in September 2026?
2 changes

In September 2026, Renu Therapy overtook Plunge to rank 2nd among cold plunge brands worldwide, with 19.7% of the searches.

In September 2026, Plunge lost share of searches among cold plunge brands worldwide, from 13% to 12.3%.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Plunge’s and Renu Therapy’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Plunge
1 branded search term
- plunge cold plunge
Renu Therapy
1 branded search term
- renu therapy
Other head-to-heads among cold plunge brands

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