Softwr

Maritime · head to head

DTN vs OpenWeatherMap

DTN logo

DTN

Maritime

Weather, markets, and agronomic intelligence

From
$50/month
Rated
-
Full reviewWebsite
OpenWeatherMap logo

OpenWeatherMap

Weather

Developer-friendly weather API with global coverage

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only OpenWeatherMap has a free tier, so it costs nothing to try first.
  • Each has a real cost: DTN no pricing published on vendor website; requires contacting sales team; OpenWeatherMap free tier capped at 60 calls/minute and 1,000,000 calls/month
  • They diverge on capability: DTN covers Hyperlocal weather forecasts, OpenWeatherMap covers Weather API.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which DTN and OpenWeatherMap actually diverge.

Attributes where DTN and OpenWeatherMap differ
AttributeDTNOpenWeatherMap
Starting price$50/monthFree
Pricing modelsubscriptionfreemium
Free tierNoYes
PlatformsWeb, Ios, Android, ApiWeb
CategoryMaritimeWeather
Founded19842017

Identical on both: user rating (Not yet rated).

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 DTN

  • Hyperlocal weather forecasts
  • Commodity market data
  • Severe weather alerts
  • Agronomic insights
  • Crop condition reports
  • Historical data analysis
  • Custom notifications
  • Mobile applications

Only in OpenWeatherMap

  • Weather API
  • Current conditions
  • Forecasts
  • Historical data
  • Weather maps
  • REST API
  • JSON format
  • Widgets

Both cover

  • Web support
  • Api support

What people use each for

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

DTN

  • Weather planningnot OpenWeatherMap
  • Market monitoringnot OpenWeatherMap
  • Grain marketingnot OpenWeatherMap
  • Risk managementnot OpenWeatherMap
  • Spray timingnot OpenWeatherMap

OpenWeatherMap

  • Embedding current weather and short-term forecasts into third-party apps/websitesnot DTN
  • Pulling historical and statistical weather data for researchnot DTN
  • Displaying weather map overlays (precipitation, clouds, etc.) via the Weather Maps APInot DTN
  • Monitoring air pollution levels via the Air Pollution APInot DTN
  • Geocoding locations for weather lookupsnot DTN

Where each one falls short

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

DTN

  • No pricing published on vendor website; requires contacting sales team
  • Customized pricing model makes comparison difficult without direct vendor engagement

OpenWeatherMap

  • Free tier capped at 60 calls/minute and 1,000,000 calls/month
  • Free tier limited to current weather, 3-hour/5-day forecast, air pollution, 15 map layers, and geocoding only
  • One Call API free allowance is only 1,000 calls/day before pay-per-call charges apply
  • Paid tier (Startup, Developer, Professional, Expert) exact USD prices are not published on the public pricing page

Pricing, plan by plan

DTN

$50/month
  • DTN Ag Weather$50/month
    • Hyperlocal weather
    • Hourly forecasts
    • Radar & maps
  • DTN ProphetX$150/month
    • Weather + markets
    • Commodity prices
    • Futures & options
  • Enterprise$undefined/month
    • API access
    • Custom integrations
    • Historical data

OpenWeatherMap

Free
  • FreeFree
    • 1,000 free API calls per day

Which should you pick?

Choose DTN if

  • You need hyperlocal weather forecasts.
  • You work on Web, Ios, Android, Api.
  • You also want commodity market data.
DTN review

Choose OpenWeatherMap if

  • You need weather api.
  • You want to start without paying.
  • You also want current conditions.
OpenWeatherMap review

Questions people ask

Is DTN or OpenWeatherMap better?
Neither clearly leads. DTN starts at $50/month and OpenWeatherMap at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, DTN or OpenWeatherMap?
OpenWeatherMap has a free tier; the other does not. Paid plans start at $50/month for DTN and Free for OpenWeatherMap.
Does DTN or OpenWeatherMap run on more platforms?
DTN runs on Web, Ios, Android, Api. OpenWeatherMap runs on Web.
Can I use OpenWeatherMap for free?
Yes. OpenWeatherMap has a free tier, so you can try it without paying. DTN starts at $50/month.
What is DTN best used for?
DTN is most often used for weather planning, market monitoring, grain marketing, risk management. Of those, weather planning and market monitoring are not what OpenWeatherMap is typically brought in for.
What can DTN do that OpenWeatherMap cannot?
DTN covers Hyperlocal weather forecasts, Commodity market data, Severe weather alerts, Agronomic insights. OpenWeatherMap covers Weather API, Current conditions, Forecasts, Historical data. Both handle Web support, Api support.

Answered from the vendors’ own pages

DTN: How much does DTN cost?

DTN does not publish pricing on their website. The company uses a custom pricing model where costs vary by industry vertical (agriculture, aviation, refined fuels, utilities, marine & offshore) and specific solution requirements. Interested customers must contact their sales team through the 'Talk With an Expert' form for pricing information.

Source
OpenWeatherMap: How much does OpenWeatherMap cost?

OpenWeatherMap operates on a pay-as-you-call usage-based pricing model. The platform offers a free tier with 1,000 API calls per day, and customers can purchase additional calls based on their needs.

Source
DTN: What is DTN's pricing model?

DTN offers industry-specific solutions with custom pricing based on client needs and deployment model. The company does not use standard tiered pricing or publicly available rate cards.

Source
OpenWeatherMap: Is there a free weather API service?

Yes. OpenWeatherMap provides a free tier that includes up to 1,000 API calls per day. Users can subscribe for free at home.openweathermap.org without providing payment information.

Source
OpenWeatherMap: Does OpenWeatherMap offer enterprise plans?

OpenWeatherMap offers separate service tiers for enterprise customers, with pricing and features determined on a case-by-case basis. Contact the company directly for enterprise plan details and custom pricing.

Source
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