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Maps · head to head

Atlas.co vs GRASS GIS

Atlas.co logo

Atlas.co

Maps

Browser-based collaborative GIS with published per-seat pricing and a free tier

From
Free
Rated
-
Full reviewWebsite
GRASS GIS logo

GRASS GIS

Maps

Long-running open source geospatial analysis engine for raster, vector and terrain processing

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Atlas.co analytical depth is a long way short of a mature GIS: there is no serious raster analysis, network analysis, topology editing or geodetic control, so complex work still goes back to QGIS or ArcGIS.; GRASS GIS the location and mapset data model requires importing data into a structured database with a fixed coordinate system before analysis, which is a real barrier for anyone used to opening files directly.
  • They diverge on capability: Atlas.co covers Browser GIS, GRASS GIS covers Raster analysis.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Atlas.co and GRASS GIS actually diverge.

Attributes where Atlas.co and GRASS GIS differ
AttributeAtlas.coGRASS GIS
Pricing modelPer user per monthOpen source, no licence fee
PlatformsWebLinux, Windows, macOS

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Maps).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Atlas.co

  • Browser GIS
  • Workflow builder
  • Geocoding
  • Collaboration
  • Data import
  • Cheap viewer seats
  • Export and embed
  • AI credits

Only in GRASS GIS

  • Raster analysis
  • Hydrological modelling
  • Terrain analysis
  • Vector topology
  • Temporal framework
  • Image processing
  • Python API
  • QGIS integration

What people use each for

The jobs each tool is most often brought in to do.

Atlas.co

  • A renewables developer screening sites against constraint layers who needs an answer this afternoon and has no GIS analyst availablenot GRASS GIS
  • A planning or property team that mainly needs colleagues to view and comment on maps, where $7 viewer seats replace expensive read-only GIS licencesnot GRASS GIS
  • A consultancy producing client-facing maps and embeds without maintaining desktop GIS installs across a distributed teamnot GRASS GIS
  • An analyst with an address spreadsheet who needs geocoding, buffering and a shareable map without learning a desktop GISnot GRASS GIS

GRASS GIS

  • A hydrologist delineating watersheds and modelling flow accumulation over a large digital elevation modelnot Atlas.co
  • A research group building a reproducible time series analysis of satellite imagery that must be rerunnable years laternot Atlas.co
  • An environmental agency running viewshed and solar radiation analysis for planning assessments without buying commercial GIS seatsnot Atlas.co
  • A QGIS user who needs a specific processing algorithm that only exists in the GRASS toolboxnot Atlas.co

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Atlas.co

  • Analytical depth is a long way short of a mature GIS: there is no serious raster analysis, network analysis, topology editing or geodetic control, so complex work still goes back to QGIS or ArcGIS.
  • Geocoding and workflow runs are metered per tier, and a single large address batch can exhaust a month’s Pro allowance in one afternoon, forcing an upgrade for a one-off job.
  • The company is at pre-seed stage with roughly $2m raised and a small team, so buyers embedding it in a business process carry meaningful continuity risk.
  • Annual billing is required to get the advertised prices, which removes the flexibility that would otherwise make a young vendor a low-risk trial.
  • There is no offline or field capability at all, so any organisation whose spatial work includes data collection needs a second tool alongside it.

GRASS GIS

  • The location and mapset data model requires importing data into a structured database with a fixed coordinate system before analysis, which is a real barrier for anyone used to opening files directly.
  • The native graphical interface is dated and inconsistent compared with QGIS or ArcGIS, so most users end up running GRASS through QGIS and never learn the tool they are actually depending on.
  • There is no vendor, so contractual support, service levels and liability do not exist by default and must be arranged with an independent consultancy that may not cover your jurisdiction.
  • Cartographic output and map layout are weak relative to the analysis capability, meaning a second tool is always needed to produce a publishable map.
  • Module naming and argument conventions are idiosyncratic and long-standing, so scripts are durable but the learning curve is steep and transferable skills from other GIS packages help less than expected.

Pricing, plan by plan

Atlas.co

Free
  • StarterFree
    • 3 projects
    • 3 editors
    • 1 GB storage
  • Pro$23/month
    • 10 projects
    • 10 GB storage
    • 10,000 geocoding runs
  • Team$72/month
    • Unlimited projects
    • Viewer seats at $7 per month
    • 25,000 geocoding runs
  • Enterprise$undefined/year
    • Unlimited storage and workflows
    • 100,000 geocoding runs
    • White-labelled embeds

GRASS GIS

Free
  • GRASS GISFree
    • GNU GPL licence
    • All modules included
    • No user or seat limits

Which should you pick?

Choose Atlas.co if

  • You need browser gis.
  • You want to start without paying.
  • You also want workflow builder.
Atlas.co review

Choose GRASS GIS if

  • You need raster analysis.
  • You want to start without paying.
  • You work on Linux, Windows, macOS.
  • You also want hydrological modelling.
GRASS GIS review

Questions people ask

Is Atlas.co or GRASS GIS better?
Neither clearly leads. Atlas.co starts at Free and GRASS GIS at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Atlas.co or GRASS GIS?
Atlas.co starts at Free and GRASS GIS at Free.
Does Atlas.co or GRASS GIS run on more platforms?
Atlas.co runs on Web. GRASS GIS runs on Linux, Windows, macOS.
Can I use Atlas.co for free?
Both have a free tier, so you can try either at no cost before committing.
What is Atlas.co best used for?
Atlas.co is most often used for a renewables developer screening sites against constraint layers who needs an answer this afternoon and has no gis analyst available, a planning or property team that mainly needs colleagues to view and comment on maps, where $7 viewer seats replace expensive read-only gis licences, a consultancy producing client-facing maps and embeds without maintaining desktop gis installs across a distributed team, an analyst with an address spreadsheet who needs geocoding, buffering and a shareable map without learning a desktop gis. Of those, a renewables developer screening sites against constraint layers who needs an answer this afternoon and has no gis analyst available and a planning or property team that mainly needs colleagues to view and comment on maps, where $7 viewer seats replace expensive read-only gis licences are not what GRASS GIS is typically brought in for.
What can Atlas.co do that GRASS GIS cannot?
Atlas.co covers Browser GIS, Workflow builder, Geocoding, Collaboration. GRASS GIS covers Raster analysis, Hydrological modelling, Terrain analysis, Vector topology.

Answered from the vendors’ own pages

Atlas.co: How much does Atlas.co cost?

Starter is free, Pro is $23 per user per month and Team is $72 per editor per month with viewers at $7, all billed annually. Enterprise is quoted.

GRASS GIS: Who maintains GRASS GIS?

An international volunteer and academic developer community under the Open Source Geospatial Foundation. It originated at the US Army Construction Engineering Research Laboratory in 1982.

Atlas.co: Can it replace ArcGIS or QGIS?

For visualisation, light analysis and sharing, often yes. For raster, network or geodetic work, no.

GRASS GIS: Can I buy commercial support?

Not from a vendor. Independent consultancies in the OSGeo ecosystem offer paid support and development, and availability varies by region.

Atlas.co: What is the viewer seat?

A read-only seat at $7 per month on the Team plan, intended for stakeholders who consume maps rather than build them.

GRASS GIS: Do I need to use its interface?

No. Most people run GRASS algorithms through the QGIS processing toolbox or from Python.

Atlas.co: Where is the company based?

Oslo, Norway. It was founded in 2021 and has raised around $2m in pre-seed funding.

GRASS GIS: Is it suitable for production use?

Yes for analysis pipelines, and it is used by agencies and research institutions. Plan for community support rather than a service level agreement.

Atlas.co: Is there a free tier?

Yes, Starter gives three projects, three editors and 1 GB of storage with metered geocoding and workflow runs.

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