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Maps · head to head

onX Maps vs TomTom Developer Portal

onX Maps logo

onX Maps

Maps

Land ownership and offline navigation apps sold as separate subscriptions per activity: Hunt, Offroad, Backcountry

From
On request
Rated
-
Full reviewWebsite
T

TomTom Developer Portal

Maps

TomTom provides mapping and traffic APIs, SDKs, and data products for developers

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: onX Maps hunt, Offroad and Backcountry are entirely separate subscriptions, so a user needing more than one activity pays for more than one product with no combined bundle discount.; TomTom Developer Portal default rate limits on self-serve plans are modest at approximately 5 requests per second; higher limits require contracts
  • They diverge on capability: onX Maps covers Land ownership boundaries, TomTom Developer Portal covers Core Functionality.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which onX Maps and TomTom Developer Portal actually diverge.

Attributes where onX Maps and TomTom Developer Portal differ
AttributeonX MapsTomTom Developer Portal
Pricing modelSeparate per-product subscriptions, per user per yearfreemium
PlatformsiOS, Android, WebWeb, iOS, Android

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 onX Maps

  • Land ownership boundaries
  • Offline maps
  • Waypoint and track marking
  • Elite tier private land data
  • 3D terrain view
  • Weather overlay

Only in TomTom Developer Portal

  • Core Functionality
  • User Interface

What people use each for

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

onX Maps

  • A hunter who needs to know exact private and public land boundaries before crossing onto a propertynot TomTom Developer Portal
  • An off-road driver planning a trail route with land ownership and access datanot TomTom Developer Portal
  • A backcountry skier or hiker wanting offline terrain maps without cell signalnot TomTom Developer Portal
  • Someone who does two or more of these activities and needs to budget for two or three separate subscriptionsnot TomTom Developer Portal

TomTom Developer Portal

No use cases recorded yet. See the TomTom Developer Portal review.

Where each one falls short

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

onX Maps

  • Hunt, Offroad and Backcountry are entirely separate subscriptions, so a user needing more than one activity pays for more than one product with no combined bundle discount.
  • Elite-tier pricing at roughly $99.99 a year per product is expensive if a buyer only occasionally needs the private land ownership data it adds.
  • The apps are US and Canada focused, with more limited usefulness for international travel compared to a global mapping product.
  • Land ownership data, while extensive, can lag real-world changes in property boundaries in fast-changing areas.
  • It is not a general-purpose hiking or trail-review app in the way AllTrails or Gaia GPS are, so casual hikers without a land-boundary need may find the focus narrower than expected.

TomTom Developer Portal

  • Default rate limits on self-serve plans are modest at approximately 5 requests per second; higher limits require contracts
  • Limited POI rich media compared to Google Places; no reviews, photos, or user-generated content
  • Smaller developer community with fewer tutorials and Stack Overflow answers than Google or Mapbox
  • No official Flutter SDK; developers must use third-party plugins for Flutter integration
  • Maps SDK for Web v6 deprecated as of February 2026 with migration required to newer SDK

Pricing, plan by plan

onX Maps

On request
  • onX Hunt Elite$99.99/year
    • Nationwide private land ownership data
    • Recent satellite imagery
    • Offline maps
  • onX Offroad Premium$34.99/year
    • Trail and land ownership maps for off-road use
    • Offline maps
  • onX Offroad Elite$99.99/year
    • Everything in Premium plus nationwide land ownership and recent imagery
  • onX Backcountry$29.99/year
    • Backcountry ski and hike focused maps
    • Offline maps
    • Avalanche and terrain data

TomTom Developer Portal

On request

No published plan breakdown. See the TomTom Developer Portal review.

Which should you pick?

Choose onX Maps if

  • You need land ownership boundaries.
  • You work on iOS, Android, Web.
  • You also want offline maps.
onX Maps review

Choose TomTom Developer Portal if

  • You need core functionality.
  • You work on Web, iOS, Android.
  • You also want user interface.
TomTom Developer Portal review

Questions people ask

Is onX Maps or TomTom Developer Portal better?
Neither clearly leads. onX Maps starts at On request and TomTom Developer Portal at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, onX Maps or TomTom Developer Portal?
onX Maps starts at On request and TomTom Developer Portal at On request.
Does onX Maps or TomTom Developer Portal run on more platforms?
onX Maps runs on iOS, Android, Web. TomTom Developer Portal runs on Web, iOS, Android.
What is onX Maps best used for?
onX Maps is most often used for a hunter who needs to know exact private and public land boundaries before crossing onto a property, an off-road driver planning a trail route with land ownership and access data, a backcountry skier or hiker wanting offline terrain maps without cell signal, someone who does two or more of these activities and needs to budget for two or three separate subscriptions. Of those, a hunter who needs to know exact private and public land boundaries before crossing onto a property and an off-road driver planning a trail route with land ownership and access data are not what TomTom Developer Portal is typically brought in for.
What can onX Maps do that TomTom Developer Portal cannot?
onX Maps covers Land ownership boundaries, Offline maps, Waypoint and track marking, Elite tier private land data. TomTom Developer Portal covers Core Functionality, User Interface.

Answered from the vendors’ own pages

onX Maps: Can I use one onX subscription for both hunting and off-roading?

No, onX Hunt, onX Offroad and onX Backcountry are separate apps with separate subscriptions.

TomTom Developer Portal: Does TomTom Developer Portal have a free tier?

Yes. TomTom offers a freemium plan with 50,000 tile requests plus 2,500 non-tile requests daily at no cost with no credit card required, and commercial use is permitted.

Source
onX Maps: What does the Elite tier add?

Elite tiers add nationwide private land ownership data, more recent satellite imagery and partner discounts on top of the base Premium tier.

TomTom Developer Portal: What APIs does TomTom provide?

TomTom provides REST APIs for Maps (display raster or vector maps), Navigation (routing and turn-by-turn), Places (geocoding and POI search), and Traffic (real-time flow and incidents), plus JavaScript SDK and mobile SDKs.

Source
onX Maps: Does onX work outside the US?

Coverage is strongest in the US and Canada; usefulness elsewhere is limited.

TomTom Developer Portal: What JavaScript SDKs are available?

TomTom provides Maps SDK for JavaScript with TypeScript support, a Services library as a wrapper for REST APIs, and mobile integration through NativeScript WebView for iOS and Android.

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