Compare software

Photon vs Nominatim: catalog facts
PhotonNominatim

Best for: Developers adding OpenStreetMap place search to a map or app

Best for: Adding address search and reverse geocoding backed by OpenStreetMap

Free

Free and open source; the public API is free for fair use.

Free

Free and open source; the public API is free for occasional use under a usage policy.

Web, Self-hosted Web, Self-hosted
  • Typeahead search with typo tolerance
  • Multilingual results and reverse geocoding
  • Simple HTTP API returning GeoJSON
  • Public API available for light use
  • Forward and reverse geocoding on OpenStreetMap data
  • Scales from one city to the whole planet
  • Minutely updates keep data current
  • Structured queries for bulk address geocoding
  • Public API is throttled under heavy use and has no availability guarantee
  • Self-hosting requires running OpenSearch with OSM data
  • Public API is limited to occasional use
  • A full planet import needs a large server
Self-hosted, Hosted service Self-hosted, Hosted service
Open source Open source
License not stated License not stated
No account needed No account needed
Not stated if it works offline Not stated if it works offline

Sources for Photon

Catalog checked September 23, 2026

Sources for Nominatim

Catalog checked September 23, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.