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Maps · head to head

Gaia GPS vs Nominatim

Gaia GPS logo

Gaia GPS

Maps

Premium backcountry navigation for outdoor adventurers

From
Free
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

  • Only Gaia GPS has a free tier, so it costs nothing to try first.
  • Each has a real cost: Gaia GPS no specific pricing details are published for the Premium tier; Nominatim the public API allows an absolute maximum of 1 request per second
  • They diverge on capability: Gaia GPS covers Topo maps, Nominatim covers Core Functionality.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Gaia GPS and Nominatim actually diverge.

Attributes where Gaia GPS and Nominatim differ
AttributeGaia GPSNominatim
Starting priceFreeOn request
Free tierYesNo
PlatformsiOS, Android, WebWeb
Founded2008Unknown

Identical on both: pricing model (freemium), 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 Gaia GPS

  • Topo maps
  • Satellite imagery
  • Offline maps
  • Track recording
  • Waypoint management
  • Garmin inReach
  • Apple Watch
  • Garmin Connect

Only in Nominatim

  • Core Functionality
  • User Interface

What people use each for

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

Gaia GPS

  • Offline topographic map navigation for hiking and backcountry travelnot Nominatim
  • Trail discovery and uploading in remote areasnot Nominatim
  • 4x4 off-road and overlanding navigationnot Nominatim
  • Ski touring and backcountry skiing navigationnot Nominatim

Nominatim

  • Geocoding and reverse geocoding servicesnot Gaia GPS
  • Address lookup and location searchnot Gaia GPS
  • OpenStreetMap-based geolocation datanot Gaia GPS

Where each one falls short

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

Gaia GPS

  • No specific pricing details are published for the Premium tier
  • Pricing information only available through checkout or app interface

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

Gaia GPS

Free

No published plan breakdown. See the Gaia GPS review.

Nominatim

On request

No published plan breakdown. See the Nominatim review.

Which should you pick?

Choose Gaia GPS if

  • You need topo maps.
  • You want to start without paying.
  • You work on iOS, Android, Web.
  • You also want satellite imagery.
Gaia GPS review

Choose Nominatim if

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

Questions people ask

Is Gaia GPS or Nominatim better?
Neither clearly leads. Gaia GPS starts at Free and Nominatim at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Gaia GPS or Nominatim?
Gaia GPS has a free tier; the other does not. Paid plans start at Free for Gaia GPS and On request for Nominatim.
Does Gaia GPS or Nominatim run on more platforms?
Gaia GPS runs on iOS, Android, Web. Nominatim runs on Web.
Can I use Gaia GPS for free?
Yes. Gaia GPS has a free tier, so you can try it without paying. Nominatim starts at On request.
What is Gaia GPS best used for?
Gaia GPS is most often used for offline topographic map navigation for hiking and backcountry travel, trail discovery and uploading in remote areas, 4x4 off-road and overlanding navigation, ski touring and backcountry skiing navigation. Of those, offline topographic map navigation for hiking and backcountry travel and trail discovery and uploading in remote areas are not what Nominatim is typically brought in for.
What can Gaia GPS do that Nominatim cannot?
Gaia GPS covers Topo maps, Satellite imagery, Offline maps, Track recording. Nominatim covers Core Functionality, User Interface.

Answered from the vendors’ own pages

Gaia GPS: Does Gaia GPS offer a free version?

Yes, Gaia GPS Free is available. The service also offers Gaia GPS Premium as a paid tier, but specific pricing details are not disclosed on the website.

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
Gaia GPS: How much does Gaia GPS Premium cost?

Gaia GPS Premium is a paid subscription option, but the vendor does not publish specific pricing on their website. Pricing information is available through the app's checkout or registration pages.

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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