Brandwave

How popular isGRASS GIS?

In September 2026, people searched for GRASS GIS by name about 2,900 times worldwide, a 46.3% decrease from the previous year. These searches made up 0.27% of all global GIS software searches, placing GRASS GIS sixth out of seven brands. When we asked both ChatGPT and Google AI Overviews about GIS software, GRASS GIS appeared in four of the five answers and was the third most recommended of the seven.

Search and AI answers in September 2026

GRASS GIS is the sixth most searched of 7 competitors and the third most recommended in AI answers.

  1. QGISShare of searches 41.6%Mentioned in 5 of 5 AI answersPlace in AI recommendations 1st
  2. Esri ArcGISShare of searches 29.2%Mentioned in 5 of 5 AI answersPlace in AI recommendations 2nd
  3. Google Earth EngineShare of searches 12.5%Mentioned in 3 of 5 AI answersPlace in AI recommendations 4th
  4. MapboxShare of searches 12.5%Mentioned in 1 of 5 AI answersPlace in AI recommendations 6th
  5. GRASS GISShare of searches 0.27%Mentioned in 4 of 5 AI answersPlace in AI recommendations 3rd

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Top GIS software in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, GRASS GIS was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. GRASS GIS is the third most recommended of the seven.

Most recommended by AI

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

  1. QGIS1st
  2. Esri ArcGIS2nd
  3. GRASS GIS3rd
  4. Google Earth Engine4th
  5. CARTO5th
  6. Mapbox6th
  7. Maptitude–

Mentioned by AI

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

  • QGIS5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Esri ArcGIS5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • GRASS GIS4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Google Earth Engine3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Mapbox1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • CARTO1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Maptitude0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about GIS software

5 answers

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.

Which GIS software compete with GRASS GIS?

GRASS GIS against GIS software worldwide, by month

Share of searches by month for QGIS, Esri ArcGIS, Google Earth Engine, Mapbox, CARTO, GRASS GIS. The figures are in the table below the chart.

View monthly share of searches table
MonthQGISEsri ArcGISGoogle Earth EngineMapboxCARTOGRASS GISMaptitude
Oct 202539.5%27.8%14.5%14.5%2.9%0.47%0.32%
Nov 202539.7%27.5%14.6%14.6%2.9%0.48%0.26%
Dec 202540.8%28.4%12.2%15%3%0.4%0.27%
Jan 202642.7%25%12.8%15.6%3.1%0.42%0.28%
Feb 202644.1%25.6%10.8%16.2%2.7%0.43%0.24%
Mar 202640.7%28.5%12.2%14.9%3%0.4%0.26%
Apr 202639.7%27.7%14.6%14.6%2.9%0.32%0.21%
May 202642.9%24.9%12.9%15.7%3.2%0.34%0.15%
Jun 202641.7%24.1%15.3%15.3%3.1%0.41%0.18%
Jul 202641.4%24%15.2%15.2%3.7%0.4%0.15%
Aug 202641.1%23.8%15.1%15.1%4.5%0.32%0.15%
Sep 202641.6%29.2%12.5%12.5%3.7%0.27%0.12%

  1. 1.QGIS

    41.6%

    Held 1st. 450K estimated branded searches, +22.3% vs prior month. Share +0.6 points.

  2. 2.Esri ArcGIS

    29.2%

    Held 2nd. 316K estimated branded searches, +48.2% vs prior month. Share +5.4 points.

  3. 3.Google Earth Engine

    12.5%

    Held 3rd. 135K estimated branded searches, 0% vs prior month. Share -2.6 points.

  4. 4.Mapbox

    12.5%

    Held 4th. 135K estimated branded searches, 0% vs prior month. Share -2.6 points.

  5. 5.CARTO

    3.7%

    Held 5th. 40.5K estimated branded searches, 0% vs prior month. Share -0.8 points.

  6. 6.GRASS GIS

    0.27%

    Held 6th. 2.9K estimated branded searches, 0% vs prior month. Share -0.1 points.

  7. 7.Maptitude

    0.12%

    Held 7th. 1.3K estimated branded searches, 0% vs prior month. Share 0 points.

Compare popularity between GRASS GIS and its closest rivals

Every comparison with GRASS GIS

6 comparisons

How has branded search demand for GRASS GIS changed worldwide over the last 12 months?

2 findings
  • Across the 12 months ending September 2026, estimated monthly branded searches for GRASS GIS worldwide fell from 5.4K to 2.9K.
  • Across the 12 months ending September 2026, GRASS GIS’s share of searches among GIS software worldwide held steady, from 0.47% to 0.27%.

How did search popularity change for GIS software worldwide in September 2026?

6 changes

  1. In September 2026, Esri ArcGIS gained share of searches among GIS software worldwide, from 23.8% to 29.2%.

  2. In September 2026, QGIS gained share of searches among GIS software worldwide, from 41.1% to 41.6%.

  3. In September 2026, Google Earth Engine lost share of searches among GIS software worldwide, from 15.1% to 12.5%.

  4. In September 2026, Mapbox lost share of searches among GIS software worldwide, from 15.1% to 12.5%.

  5. In September 2026, CARTO lost share of searches among GIS software worldwide, from 4.5% to 3.7%.

  6. Estimated monthly branded searches for Maptitude worldwide fell 63.9% over 12 measured months, from 3.6K to 1.3K in September 2026.

How are GRASS GIS’s branded searches counted?

1 search term

Brandwave collects information about searches that people make online using GRASS GIS’s name. When viewed over time, estimated search volumes for this branded term can be used to understand whether interest in the brand is growing, holding steady, or fading.

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How the Brand Demand Index is measured

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