b stack radar

GRASS vs SkyeBrowse (2026): Pricing, Features & Verdict

GRASS is our pick, scoring 6.5/10 against 6.3/10 for SkyeBrowse on our Industrial & Infrastructure Software criteria. Its biggest advantage: higher Analytics score (9/10 vs 5/10). For 10 users, GRASS and SkyeBrowse are both free; both GRASS and SkyeBrowse have a free plan.

Last updated: November 2026

GRASS logo

GRASS

6.5/10

Winner

Free, open-source geospatial processing engine for raster, vector, imagery, lidar and time-series analysis, used by researchers, governments and engineering teams.

SkyeBrowse logo

SkyeBrowse

6.3/10

SkyeBrowse turns drone video into measurable 3D models. It is used mostly by public safety agencies, with commercial plans for mapping and site documentation.

Feature-by-Feature Comparison

Feature
GRASS logo
GRASS
SkyeBrowse logo
SkyeBrowse
Scores
Overall Rating6.5/106.3/10
Integration7/106/10
Security4/107/10
Support4/107/10
Cost10/107/10
Analytics9/105/10
Ease of Use3/108/10
Customization9/105/10
Scalability7/106/10
Pricing
Free planYesYes
Cheapest paid planContact for pricing$24.99/mo
Commercial
Estimated cost for 10 usersFree
Open source
Free
Freemium
Features
Drone Inspection
GIS and Mapping
Inspection AutomationNot listed
LiDAR ProcessingNot listed
Spare Parts InventoryNot listed
Work OrdersNot listed

GRASS vs SkyeBrowse cost by team size

GRASS costs less up to 5 users; GRASS and SkyeBrowse cost the same from 10 users.

Team sizeGRASSSkyeBrowse
1 userFreeOpen source$25/moCommercial
5 usersFreeOpen source$25/moCommercial
10 usersFreeOpen sourceFreeFreemium
25 usersFreeOpen sourceFreeFreemium
50 usersFreeOpen sourceFreeFreemium

The plan that fits each team size, billed monthly, before add-ons and usage charges. Each cost opens that tool's pricing calculator for the team size.

Who GRASS and SkyeBrowse suit

AudienceGRASSSkyeBrowse
Engineering Firms6/10It offers strong hydrology, terrain, and lidar analysis, but has no design or asset features, and staff must learn command-line workflows.5/10CAD and point cloud exports help, but the accuracy and analytics are lighter than survey-grade tools.
Government8/10It came from US Army land management work and is used for environmental and terrain modeling, at no licence cost.9/10Built mainly for police, fire and public safety agencies, with CJIS compliance and chain of custody.
ConstructionNot rated6/10Volume, topographic and site plan tools support site documentation, though it is not a construction-specific platform.
Consultancies7/10Environmental and geospatial consultancies can run reproducible analyses without paying licence fees.Not rated
Developers8/10Python, C, and R APIs, JSON output, and the new grass.tools package make it easy to embed in pipelines.Not rated
Drone Service ProvidersNot rated7/10Fast video-based capture and white labeling on Pro suit operators who deliver models to clients.
Education9/10Universities such as NC State help develop it, and it is free with extensive tutorials and Jupyter support.Not rated
Small BusinessNot rated7/10Per-model pricing from $24.99 and a free tier keep the entry cost low.
Utilities4/10It is useful for terrain and network analysis, but has no utility asset registry, field apps, or maintenance workflows.Not rated

Which One Should You Choose?

GRASS logo
Why choose GRASS

  • Higher Analytics score (9/10 vs 5/10)
  • Higher Customization score (9/10 vs 5/10)

SkyeBrowse logo
Why choose SkyeBrowse

  • Higher Ease of Use score (8/10 vs 3/10)
  • Higher Security score (7/10 vs 4/10)

Pros & Cons

GRASS logo
GRASS

Pros

  • Free under the GPL with no user or seat limits, so it can be installed across a whole organisation at no cost.
  • Very deep analysis toolset, with more than 500 core tools for hydrology, terrain, 3D voxel, imagery classification, and spatio-temporal analysis.
  • Highly scriptable through Python (including the new grass.tools API in 8.5), Jupyter, R via rgrass, and JSON output, which suits automated pipelines.
  • Runs inside QGIS through the Processing toolbox, so QGIS users can call GRASS tools without switching applications.
  • Version 8.5 parallelized r.mapcalc and added OpenMP to more tools, which speeds up large raster jobs on multi-core machines.
  • Over four decades of continuous development, with an active release schedule and NumFOCUS fiscal sponsorship.

Cons

  • Reviewers on Capterra and GISGeography report a steep learning curve and a clunky interface with awkward toolbar placement.
  • Cartographic layout is weak. GISGeography calls it unsuitable for producing finished maps.
  • Its project and location structure ties each project to a single coordinate system, unlike the on-the-fly reprojection in QGIS or ArcGIS.
  • No vendor service-level agreement. Support comes from community forums or from third-party firms whose prices are not published.
  • It has no asset registry, work orders, mobile field app, or maintenance features for infrastructure operations.

SkyeBrowse logo
SkyeBrowse

Pros

  • Videogrammetry builds a 3D model from a few minutes of drone video, which is faster to capture than photo grid missions.
  • Per-model pricing starts at $24.99 and there is a free tier, so occasional users avoid seat licenses.
  • The public safety tier has features that are rare in this category, such as CJIS compliance, chain of custody and Axon Evidence.com integration.
  • Pro exports LAZ, GLB, GeoTIFF and CAD files that open in CloudCompare, Esri, Trimble, Leica and FARO tools.
  • Drone support is broad and keeps growing, recently adding the DJI Matrice 4 series, Matrice 400 and Mini 4 Pro.

Cons

  • It is mainly a reality capture and visualization tool, with no asset registry, work orders or maintenance workflows.
  • Exports require Pro or higher, and the pricing page contradicts itself about exports on the Commercial plan.
  • Commercial and Pro allow only up to 5 users and limit storage to 3 months or 1 year.
  • Pilot Institute called the paid subscription steep, and most published coverage is vendor-sourced.

Not sold on either?

Air Inspection Automation (AiA) logo

Air Inspection Automation (AiA)Our product

Plans DJI drone inspection missions for power line towers from LiDAR scans: it finds the towers, places photo stops, checks clearance, and splits the route into battery flights.

Made by the team behind b stack radar. Shown here because it fits this topic. It is not part of our rankings. How we rank tools

Frequently Asked Questions

GRASS scores higher on our Industrial & Infrastructure Software criteria: 6.5/10 against 6.3/10 for SkyeBrowse. The largest gap is in Ease of Use: 3/10 for GRASS and 8/10 for SkyeBrowse.

Both are free for 10 users.

Yes, both GRASS and SkyeBrowse have a free plan.

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