Maps · head to head
GRASS GIS vs Quartix
GRASS GIS
Maps
Long-running open source geospatial analysis engine for raster, vector and terrain processing
- From
- Free
- Free plan
- Yes
Quartix
Fleet Management
Deliberately narrow vehicle tracking from a listed UK vendor that publishes its prices
- From
- On request
- Free plan
- No
The short version
- Only GRASS GIS has a free tier, so it costs nothing to try first.
- Each has a real cost: 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.; Quartix video telematics is not part of the core product, so any fleet that decides it needs camera evidence after an incident has to bring in a second vendor and a second subscription.
- They diverge on capability: GRASS GIS covers Raster analysis, Quartix covers Live tracking.
- Prices and features above were last checked on 1 September 2026.
Where they differ
Only the attributes on which GRASS GIS and Quartix actually diverge.
Identical on both: user rating (Not yet rated).
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 GRASS GIS
- Raster analysis
- Hydrological modelling
- Terrain analysis
- Vector topology
- Temporal framework
- Image processing
- Python API
- QGIS integration
Only in Quartix
- Live tracking
- Driving style scoring
- Timesheet reporting
- Geofences
- Driver identification
- Published pricing
What people use each for
The jobs each tool is most often brought in to do.
GRASS GIS
- A hydrologist delineating watersheds and modelling flow accumulation over a large digital elevation modelnot Quartix
- A research group building a reproducible time series analysis of satellite imagery that must be rerunnable years laternot Quartix
- An environmental agency running viewshed and solar radiation analysis for planning assessments without buying commercial GIS seatsnot Quartix
- A QGIS user who needs a specific processing algorithm that only exists in the GRASS toolboxnot Quartix
Quartix
- A UK or French van fleet that wants tracking and timesheet evidence without a discovery call and a three-year commitmentnot GRASS GIS
- A finance manager who needs to compare telematics costs on published numbers rather than negotiated quotesnot GRASS GIS
- An operator disputing employee hours or customer claims about arrival times who needs a defensible site attendance recordnot GRASS GIS
- A small fleet whose insurer offers a discount for driving style monitoring but who does not need cameras or compliance toolingnot GRASS GIS
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
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.
Quartix
- Video telematics is not part of the core product, so any fleet that decides it needs camera evidence after an incident has to bring in a second vendor and a second subscription.
- There is no maintenance, work order or parts management, so servicing schedules stay in whatever spreadsheet or garage system the fleet already runs.
- US hours of service and wider DOT compliance are not the focus, which rules Quartix out for regulated interstate commercial operations.
- The standard tracker is hardwired rather than a plug-in device, so installation means booking vehicles in, which adds cost and downtime that no-contract plug-in competitors avoid.
- The API and integration list are short, so feeding tracking data into payroll, job costing or an ERP tends to mean scheduled exports rather than a supported connector.
Pricing, plan by plan
GRASS GIS
Free- GRASS GISFree
- GNU GPL licence
- All modules included
- No user or seat limits
Quartix
On request- Quartix$undefined/month
- List pricing published openly, with rates varying by contract length
- Tracking hardware included in the subscription rather than bought separately
- One-year terms available alongside longer discounted options
Which should you pick?
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.
Choose Quartix if
- You need live tracking.
- You work on Web, iOS, Android.
- You also want driving style scoring.
Questions people ask
- Is GRASS GIS or Quartix better?
- Neither clearly leads. GRASS GIS starts at Free and Quartix at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, GRASS GIS or Quartix?
- GRASS GIS has a free tier; the other does not. Paid plans start at Free for GRASS GIS and On request for Quartix.
- Does GRASS GIS or Quartix run on more platforms?
- GRASS GIS runs on Linux, Windows, macOS. Quartix runs on Web, iOS, Android.
- Can I use GRASS GIS for free?
- Yes. GRASS GIS has a free tier, so you can try it without paying. Quartix starts at On request.
- What is GRASS GIS best used for?
- GRASS GIS is most often used for a hydrologist delineating watersheds and modelling flow accumulation over a large digital elevation model, a research group building a reproducible time series analysis of satellite imagery that must be rerunnable years later, an environmental agency running viewshed and solar radiation analysis for planning assessments without buying commercial gis seats, a qgis user who needs a specific processing algorithm that only exists in the grass toolbox. Of those, a hydrologist delineating watersheds and modelling flow accumulation over a large digital elevation model and a research group building a reproducible time series analysis of satellite imagery that must be rerunnable years later are not what Quartix is typically brought in for.
- What can GRASS GIS do that Quartix cannot?
- GRASS GIS covers Raster analysis, Hydrological modelling, Terrain analysis, Vector topology. Quartix covers Live tracking, Driving style scoring, Timesheet reporting, Geofences.
Answered from the vendors’ own pages
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.
Quartix: Why is Quartix cheaper than the big platforms?
Because it does less. There is no camera ecosystem, no compliance suite and no marketplace to fund. If you only need tracking, you are not subsidising features you will not use.
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.
Quartix: Do I have to sign for three years?
No. Shorter terms are offered, priced higher per month than the longer options. The rates are published, so the trade-off is visible before you talk to anyone.
GRASS GIS: Do I need to use its interface?
No. Most people run GRASS algorithms through the QGIS processing toolbox or from Python.
Quartix: Is the hardware mine?
The tracking unit is supplied as part of the subscription rather than sold to you. Check the return and replacement terms if you plan to leave or dispose of vehicles.
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.
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