Brandwave

Bosch vs Sika:Which is more popular?

In September 2026, Bosch and Sika were level in searches among caulking gun brands in New Zealand, with an estimated 10 branded searches each, at 0.06% of the total each. When we asked ChatGPT and Google AI Overviews about caulking gun brands, Sika appeared in four of the five answers and Bosch in none.

Among caulking gun brands in New Zealand in September 2026

Who do people search for more?

Bosch and Sika are searched for about as often as each other.

Bosch 10 searchesSika 10 searches

Who does AI mention more?

Sika, mentioned in 4 of 5 answers, Bosch in 0

Sika in 4 of 5Bosch in 0 of 5

Who does AI recommend more?

Sika, the only one of the two named

Sika first in 3Bosch never named

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Top caulking gun brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Sika was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Bosch did not appear in any of the five answers.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Sika1st
  2. Tajima2nd
  3. Makita3rd
  4. Milwaukee4th
  5. DeWalt–
  6. Bosch–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Sika4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Tajima3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Makita1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • DeWalt1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Milwaukee1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Bosch0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about caulking gun brands

5 answers

  • Asked ChatGPT

    “Which caulking gun brand should I buy in New Zealand?”

    1. 1Sika
    2. 2Tajima

  • Asked ChatGPT

    “What are the best caulking gun brands in New Zealand?”

    1. 1Sika
    2. 2Tajima
    3. 3Makita
    4. 4Milwaukee

  • Asked ChatGPT

    “What's the best caulking gun brand in New Zealand for home repairs?”

    1. 1Sika
    2. 2Tajima

  • Searched Google, AI Overview

    “best caulking gun”

    1. 1DeWalt

  • Searched Google, AI Overview

    “heavy duty caulking gun”

    1. 1Sika

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in New Zealand on October 20, 2026.

Is Bosch or Sika more popular in search?

This chart shows how often people search Google for Bosch and Sika by name. Each line represents a brand's share of searches for all six caulking gun brands we track, month by month, from searches in New Zealand.

Bosch and Sika among caulking gun brands in New Zealand, by month

Share of searches by month for Bosch, Sika. The figures are in the table below the chart.

View monthly share of searches table
MonthMakitaDeWaltMilwaukeeTajimaBoschSika
Oct 202553.9%29.7%15.6%0.64%0.07%0.07%
Nov 202547.1%37.2%15.2%0.43%0.06%0.06%
Dec 202553.7%30.5%15%0.64%0.07%0.07%
Jan 202655.3%31%13.1%0.52%0.07%0.07%
Feb 202653.2%30.7%15.3%0.64%0.07%0.07%
Mar 202652.1%31.2%15.7%0.77%0.07%0.07%
Apr 202653.8%30.1%15.2%0.79%0.07%0.07%
May 202651.4%29.2%18.3%0.95%0.07%0.07%
Jun 202648%33.4%17.6%0.88%0.06%0.06%
Jul 202651.3%29.6%17.8%1.2%0.07%0.07%
Aug 202646%30.2%22.7%1%0.06%0.06%
Sep 202652.9%29%17.2%0.81%0.06%0.06%

How has the Bosch and Sika comparison changed over the last 12 months?

3 findings
  • Bosch was ahead of Sika in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, Bosch’s share of searches among caulking gun brands in New Zealand moved from 0.07% to 0.06%, and its estimated monthly branded searches held steady at 10.
  • Across the 12 months ending September 2026, Sika’s share of searches among caulking gun brands in New Zealand moved from 0.07% to 0.06%, and its estimated monthly branded searches held steady at 10.

How did search popularity change for New Zealand caulking gun brands in September 2026?

0 changes

Neither Bosch nor Sika moved beyond provider rounding among caulking gun brands in September 2026.

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using Bosch’s and Sika’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.

Bosch

1 branded search term

  • bosch caulking gun

Sika

1 branded search term

  • sika 212 nz

How the Brand Demand Index is measured

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