iSpring vs SoftPro:Which is more popular?
In September 2026, iSpring had more branded searches than SoftPro among iron filter brands worldwide. iSpring had about 16,200 branded searches, while SoftPro had 170. iSpring made up 5% of all iron filter brand searches we track, and SoftPro accounted for 0.05%. When we asked ChatGPT and Google AI Overviews about iron filter brands, SoftPro appeared in four of the five answers and iSpring in three. SoftPro was mentioned before iSpring in four out of five answers.
Who do people search for more?
iSpring, about 95 searches for every 1 for SoftPro
Who does AI mention more?
SoftPro, mentioned in 4 of 5 answers, iSpring in 3
Who does AI recommend more?
SoftPro, named ahead of iSpring in 4 of 5 answers
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Top iron filter brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, SoftPro was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. iSpring was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. SoftPro was listed before iSpring in four out of five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
SpringWell1st- SoftPro2nd
- iSpring3rd
US Water Systems4th
Pentair5th
Culligan–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- SpringWell5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- SoftPro4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- iSpring3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- US Water Systems3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Pentair1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Culligan0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about iron filter brands
5 answers
Asked ChatGPT
“Which iron filter brand should I buy?”
Asked ChatGPT
“What are the best iron filter brands?”
Asked ChatGPT
“What's the best iron filter brand for well water treatment?”
Searched Google, AI Overview
“water iron filter”
Searched Google, AI Overview
“well water filter”
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 21, 2026.
Is iSpring or SoftPro more popular in search?
This chart shows how often people search Google for iSpring and SoftPro by name. Each line represents a brand's share of searches for all six iron filter brands we track, month by month, from English-language searches worldwide.
Share of searches by month for iSpring, SoftPro. The figures are in the table below the chart.
View monthly share of searches table
| Month | Culligan | Pentair | iSpring | US Water Systems | SpringWell | SoftPro |
|---|---|---|---|---|---|---|
| Oct 2025 | 68.6% | 20.6% | 6.7% | 2.7% | 1.2% | 0.11% |
| Nov 2025 | 68.6% | 20.6% | 6.7% | 2.7% | 1.2% | 0.09% |
| Dec 2025 | 67.2% | 20.2% | 8.1% | 3.3% | 1.2% | 0.1% |
| Jan 2026 | 71.9% | 17.7% | 7.1% | 2.4% | 0.86% | 0.14% |
| Feb 2026 | 68.8% | 20.6% | 6.8% | 2.8% | 1% | 0.11% |
| Mar 2026 | 68.7% | 20.7% | 6.8% | 2.8% | 0.99% | 0.13% |
| Apr 2026 | 68.7% | 20.7% | 6.8% | 2.8% | 0.99% | 0.09% |
| May 2026 | 68.9% | 20.7% | 6.8% | 2.3% | 1.2% | 0.09% |
| Jun 2026 | 69.9% | 21% | 5.6% | 2.3% | 1% | 0.09% |
| Jul 2026 | 69.9% | 21% | 5.6% | 2.3% | 1% | 0.11% |
| Aug 2026 | 69.6% | 20.9% | 5.6% | 2.8% | 1% | 0.06% |
| Sep 2026 | 76.4% | 15.4% | 5% | 2% | 1.1% | 0.05% |
How has the iSpring and SoftPro comparison changed over the last 12 months?
3 findings
- iSpring was ahead of SoftPro in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, iSpring’s share of searches among iron filter brands worldwide moved from 6.7% to 5%, and its estimated monthly branded searches held steady at 16.2K.
- Across the 12 months ending September 2026, SoftPro’s share of searches among iron filter brands worldwide moved from 0.11% to 0.05%, and its estimated monthly branded searches moved from 260 to 170.
How did search popularity change for iron filter brands worldwide in September 2026?
2 changes
In September 2026, iSpring lost share of searches among iron filter brands worldwide, from 5.6% to 5%.
Estimated monthly branded searches for SoftPro worldwide fell 34.6% over 12 measured months, from 260 to 170 in September 2026.
How are branded searches counted?
3 search terms
Brandwave collects information about searches that people make online using iSpring’s and SoftPro’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.
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