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Head-to-head · Geographic Information Systems

GRASS GIS vs CARTO

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score GRASS GIS #2 in Geographic Information Systems 9.1/10 Free plan Free plan✓ 0 of 4 features Visit GRASS GIS
CARTO #3 in Geographic Information Systems 8.9/10 Pricing on request · 14-day trial Free trial✓ 0 of 4 features Visit CARTO

GRASS GIS leads on 1 check, CARTO on 0, and 0 are even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreGRASS GIS · 9.1/10
  • Free planonly GRASS GIS
  • Free trialonly CARTO

GRASS GIS scores higher on our rubric for geographic information systems: 9.1 against 8.9 out of 10; our editors rank them #2 and #3.

GRASS GIS offers free plan; CARTO doesn't.

GRASS GIS is the better fit for advanced raster, terrain, and scientific GIS analysis. CARTO is the better fit for teams doing cloud-scale spatial analytics and mapping.

  • GRASS GIS fits best

    Advanced raster, terrain, and scientific GIS analysis

  • CARTO fits best

    Teams doing cloud-scale spatial analytics and mapping

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature GRASS GIS 9.1/10 Visit ↗ CARTO 8.9/10 Visit ↗
At a glance
Editor score 9.1 8.9
Ranking #2 in Geographic Information Systems #3 in Geographic Information Systems
Best for Advanced raster, terrain, and scientific GIS analysis Teams doing cloud-scale spatial analytics and mapping
Pricing model Free Paid
Starting price Free plan —
Free plan ✓ (best) —
Free trial — 14 days
Deployment Cloud, Desktop, Self-hosted Cloud, Self-hosted
Platforms Web, Windows, macOS, Linux Web
Support Community, Docs, Live chat Email, Community, Docs · 24/7
Integrations 7 integrations 10 integrations
Built for Solo, Small business, Mid-market, Enterprise Mid-market, Enterprise
Features GRASS GIS 0/4 · CARTO 0/4
Spatial analysis Not checked yet Not checked yet
Mobile apps Not checked yet Not checked yet
Offline use Not checked yet Not checked yet
Map publishing Not checked yet Not checked yet
Specs
Deployment Not checked yet Not checked yet
Supported data formats Not checked yet Not checked yet
Our review
Pros
  • Advanced raster, terrain, hydrology, and temporal analysis
  • Supports Python, C, R, command-line, GUI, and Jupyter workflows
  • Works with GDAL/OGR, PostgreSQL, SQLite, QGIS, and WPS servers
  • Connects to BigQuery, Snowflake, Redshift, Databricks, and other data platforms
  • Combines spatial workflows, interactive maps, and territory optimization
  • Offers cloud SaaS and self-hosted deployment options
Cons
  • Analysis focus is narrower than broad map composition and publishing workflows
  • Primarily a locally installed desktop and command-line system
  • Browser access relies on notebooks or third-party services, not vendor SaaS
  • Pricing is contact-sales rather than published as numeric prices
  • There is no permanent free plan; the trial lasts 14 days
  • Pay As You Go and Enterprise include limited API access and tokens
Our verdict

GRASS GIS is a free, open-source geospatial processing engine for raster, vector, 3D raster, imagery, and temporal data. Researchers, environmental analysts, GIS professionals, and developers can use it for spatial modeling, visualization,…

Read the review →

CARTO brings spatial analytics, mapping, data enrichment, and geospatial application tools together for data analysts, GIS professionals, developers, and enterprise teams. Its workflows use drag-and-drop components, while CARTO Builder…

Read the review →
  1. GRASS GISGeographic Information Systems 9.1Free plan
  2. CARTOGeographic Information Systems 8.9Pricing on request · 14-day trial

Strengths and trade-offs

  • GRASS GIS — where it wins

    • Advanced raster, terrain, hydrology, and temporal analysis
    • Supports Python, C, R, command-line, GUI, and Jupyter workflows
    • Works with GDAL/OGR, PostgreSQL, SQLite, QGIS, and WPS servers

    Where it doesn't

    • Analysis focus is narrower than broad map composition and publishing workflows
    • Primarily a locally installed desktop and command-line system
    • Browser access relies on notebooks or third-party services, not vendor SaaS

  • CARTO — where it wins

    • Connects to BigQuery, Snowflake, Redshift, Databricks, and other data platforms
    • Combines spatial workflows, interactive maps, and territory optimization
    • Offers cloud SaaS and self-hosted deployment options

    Where it doesn't

    • Pricing is contact-sales rather than published as numeric prices
    • There is no permanent free plan; the trial lasts 14 days
    • Pay As You Go and Enterprise include limited API access and tokens
  • GRASS GIS9.1/10 · Free plan

    A free, analysis-focused GIS with deep raster, terrain, hydrology, and scripting tools.

    Visit GRASS GISFull verdict →
  • CARTO8.9/10 · Pricing on request · 14-day trial

    CARTO connects spatial workflows and mapping to cloud data warehouses and APIs.

    Visit CARTOFull verdict →

More comparisons

All geographic information systems comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update