BlackLine vs Karcher:Which is more popular?
In September 2026, Karcher had more branded searches than BlackLine among foam cannon brands in New Zealand. Karcher had about 2,900 branded searches, while BlackLine had 480. Karcher made up 67% of all foam cannon brand searches we track, and BlackLine accounted for 11.1%. When we asked ChatGPT and Google AI Overviews about foam cannon brands, Karcher appeared in three of the five answers and BlackLine in none.
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Top foam cannon brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Karcher was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. BlackLine did not appear in any of the five answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Karcher3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Chemical Guys2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Autoglym1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
BlackLine0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about foam cannon brands
5 answers
Asked ChatGPT
“Which foam cannon brand should I buy in New Zealand?”
Asked ChatGPT
“What are the best foam cannon brands in New Zealand?”
Asked ChatGPT
“What's the best foam cannon brand in New Zealand for a car wash?”
Searched Google, AI Overview
“foam cannon nz”
Searched Google, AI Overview
“pressure washer foam cannon”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in New Zealand on October 21, 2026.
Is BlackLine or Karcher more popular in search?
This chart shows how often people search Google for BlackLine and Karcher by name. Each line represents a brand's share of searches for all four foam cannon brands we track, month by month, from searches in New Zealand.
Share of searches by month for Karcher, BlackLine. The figures are in the table below the chart.
View monthly share of searches table
| Month | Karcher | Chemical Guys | BlackLine | Autoglym |
|---|---|---|---|---|
| Oct 2025 | 64.9% | 17.2% | 10.7% | 7.2% |
| Nov 2025 | 66.5% | 17.6% | 8.9% | 7% |
| Dec 2025 | 68.4% | 17.7% | 4.9% | 8.9% |
| Jan 2026 | 67.6% | 18.2% | 4.9% | 9.3% |
| Feb 2026 | 64% | 17.1% | 10.4% | 8.5% |
| Mar 2026 | 57.8% | 18.8% | 14.2% | 9.2% |
| Apr 2026 | 67.4% | 17.9% | 7.4% | 7.2% |
| May 2026 | 67.6% | 14.9% | 11.2% | 6.3% |
| Jun 2026 | 68.6% | 15.4% | 11.3% | 4.7% |
| Jul 2026 | 76.3% | 11.4% | 6.8% | 5.5% |
| Aug 2026 | 68.1% | 13.1% | 11.3% | 7.5% |
| Sep 2026 | 67% | 15% | 11.1% | 6.9% |
How has the BlackLine and Karcher comparison changed over the last 12 months?
3 findings
- Karcher was ahead of BlackLine in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, BlackLine’s share of searches among foam cannon brands in New Zealand moved from 10.7% to 11.1%, and its estimated monthly branded searches held steady at 480.
- Across the 12 months ending September 2026, Karcher’s share of searches among foam cannon brands in New Zealand moved from 64.9% to 67%, and its estimated monthly branded searches held steady at 2.9K.
How did search popularity change for New Zealand foam cannon brands in September 2026?
1 change

In September 2026, Karcher lost share of searches among foam cannon brands in New Zealand, from 68.1% to 67%.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using BlackLine’s and Karcher’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.
Other head-to-heads among foam cannon brands

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