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Maps · head to head

Esri ArcGIS vs Nominatim

Esri ArcGIS logo

Esri ArcGIS

Maps

Geographic Information System Platform

From
On request
Rated
-
Full reviewWebsite
Nominatim logo

Nominatim

Maps

Open-source geocoding tool for OpenStreetMap data, providing address search and reverse geocoding capabilities

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Esri ArcGIS no specific pricing information published on the product page; Nominatim the public API allows an absolute maximum of 1 request per second
  • They diverge on capability: Esri ArcGIS covers Mapping & Visualization, Nominatim covers Core Functionality.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Esri ArcGIS and Nominatim actually diverge.

Attributes where Esri ArcGIS and Nominatim differ
AttributeEsri ArcGISNominatim
Pricing modelquotefreemium
PlatformsWeb, Mobile (field apps), DesktopWeb
Founded1969Unknown

Identical on both: starting price (On request), free tier (No), 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 Esri ArcGIS

  • Mapping & Visualization
  • Spatial Analysis
  • Data Management
  • Field Operations
  • Real-time Analytics
  • AutoCAD
  • SAP
  • Microsoft Office

Only in Nominatim

  • Core Functionality
  • User Interface

What people use each for

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

Esri ArcGIS

  • Geospatial mapping and spatial analysisnot Nominatim
  • Enterprise data governance and managementnot Nominatim
  • Real-time field data collectionnot Nominatim
  • AI-assisted geospatial analysisnot Nominatim

Nominatim

  • Geocoding and reverse geocoding servicesnot Esri ArcGIS
  • Address lookup and location searchnot Esri ArcGIS
  • OpenStreetMap-based geolocation datanot Esri ArcGIS

Where each one falls short

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

Esri ArcGIS

  • No specific pricing information published on the product page
  • Customers directed to Esri Store or sales contact to learn about purchasing options
  • Pricing model not disclosed online; requires direct contact with sales

Nominatim

  • The public API allows an absolute maximum of 1 request per second
  • Bulk geocoding must run in a single thread and cannot be distributed across machines
  • Scripts running longer than a day or on a schedule are limited to 4 requests per minute
  • Autocomplete search against the public API is explicitly prohibited
  • Systematic queries such as grid based reverse lookups and complete data downloads are prohibited
  • Reselling geocoding results or acting as an API intermediary is prohibited
  • Every request must send a valid HTTP Referer or User-Agent identifying the application, and default library headers are rejected
  • Results must be cached client side, and repeated identical queries can lead to blocking
  • Attribution to OpenStreetMap under ODbL must be displayed

Pricing, plan by plan

Esri ArcGIS

On request

No published plan breakdown. See the Esri ArcGIS review.

Nominatim

On request

No published plan breakdown. See the Nominatim review.

Which should you pick?

Choose Esri ArcGIS if

  • You need mapping & visualization.
  • You work on Web, Mobile (field apps), Desktop.
  • You also want spatial analysis.
Esri ArcGIS review

Choose Nominatim if

  • You need core functionality.
  • You also want user interface.
Nominatim review

Questions people ask

Is Esri ArcGIS or Nominatim better?
Neither clearly leads. Esri ArcGIS starts at On request and Nominatim at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Esri ArcGIS or Nominatim?
Esri ArcGIS starts at On request and Nominatim at On request.
Does Esri ArcGIS or Nominatim run on more platforms?
Esri ArcGIS runs on Web, Mobile (field apps), Desktop. Nominatim runs on Web.
What is Esri ArcGIS best used for?
Esri ArcGIS is most often used for geospatial mapping and spatial analysis, enterprise data governance and management, real-time field data collection, ai-assisted geospatial analysis. Of those, geospatial mapping and spatial analysis and enterprise data governance and management are not what Nominatim is typically brought in for.
What can Esri ArcGIS do that Nominatim cannot?
Esri ArcGIS covers Mapping & Visualization, Spatial Analysis, Data Management, Field Operations. Nominatim covers Core Functionality, User Interface.

Answered from the vendors’ own pages

Esri ArcGIS: How much does ArcGIS cost?

ArcGIS pricing is not displayed on the main product page. Customers can view self-service options through the Esri Store at https://www.esri.com/en-us/store/overview or contact sales at 1-877-228-1724 for custom enterprise pricing.

Source
Nominatim: Is Nominatim free?

Nominatim is open source software built on OpenStreetMap data. It appears to be free to use, though commercial usage may require separate licensing or terms. Check the project repository or contact support for clarity on licensing.

Source
Esri ArcGIS: How do I purchase ArcGIS?

ArcGIS is available through multiple purchasing channels: self-service online ordering through the Esri Store for standard user types and apps, or contact the sales team at 1-877-228-1724 (7 a.m. to 5 p.m. PT, Monday-Friday) for enterprise solutions and custom licensing arrangements.

Source
Nominatim: What is Nominatim's pricing model?

Nominatim does not publish a standard pricing model on its website. As open source software, it is available for free, but commercial or large-scale deployments may require reviewing their licensing terms or contacting project maintainers.

Source
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