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Maritime · head to head

exactEarth vs StormGlass

exactEarth logo

exactEarth

Maritime

Advanced satellite AIS data services

From
$1000/month
Rated
-
Full reviewWebsite
StormGlass logo

StormGlass

Maritime

Global weather data API for maritime

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only StormGlass has a free tier, so it costs nothing to try first.
  • Each has a real cost: exactEarth company acquired and redirected; no pricing published on successor site; StormGlass the free tier allows 10 API requests per day and is not licensed for commercial use
  • They diverge on capability: exactEarth covers Satellite AIS data, StormGlass covers Marine weather data.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which exactEarth and StormGlass actually diverge.

Attributes where exactEarth and StormGlass differ
AttributeexactEarthStormGlass
Starting price$1000/monthFree
Pricing modelsubscriptionfreemium
Free tierNoYes
PlatformsApi, WebApi
Founded20092017

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

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 exactEarth

  • Satellite AIS data
  • Global vessel tracking
  • Historical data archive
  • Anomaly detection
  • API
  • Data feeds
  • GIS platforms
  • Web support

Only in StormGlass

  • Marine weather data
  • Wave forecasts
  • Tide data
  • Historical weather
  • REST API
  • Webhooks
  • SDKs

Both cover

  • Api support

What people use each for

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

exactEarth

No use cases recorded yet. See the exactEarth review.

StormGlass

  • Pulling marine weather and sea state forecasts into a vessel routing or planning toolnot exactEarth
  • Adding tide, wave and wind data to a maritime or coastal applicationnot exactEarth

Where each one falls short

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

exactEarth

  • Company acquired and redirected; no pricing published on successor site

StormGlass

  • The free tier allows 10 API requests per day and is not licensed for commercial use
  • Commercial use and any support at all start at the Medium plan, 49 euros a month
  • The Small plan at 19 euros a month has no support and no commercial licence
  • Request allowances are daily rather than monthly, so a burst of traffic cannot borrow against a quiet week

Pricing, plan by plan

exactEarth

$1000/month
  • Enterprise$5000/month
    • Global AIS data
    • Historical archive
    • Custom analytics

StormGlass

Free
  • FreeFree
    • 10 requests per day
    • All weather parameters
    • Not for commercial use
  • Small$19/month
    • 500 requests per day
    • All weather parameters
    • 10% annual discount available
  • Medium$49/month
    • 5000 requests per day
    • All weather parameters
    • Full support
  • Large$129/month
    • 25000 requests per day
    • All weather parameters
    • Full support

Which should you pick?

Choose exactEarth if

  • You need satellite ais data.
  • You work on Api, Web.
  • You also want global vessel tracking.
exactEarth review

Choose StormGlass if

  • You need marine weather data.
  • You want to start without paying.
  • You work on Api.
  • You also want wave forecasts.
StormGlass review

Questions people ask

Is exactEarth or StormGlass better?
Neither clearly leads. exactEarth starts at $1000/month and StormGlass at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, exactEarth or StormGlass?
StormGlass has a free tier; the other does not. Paid plans start at $1000/month for exactEarth and Free for StormGlass.
Does exactEarth or StormGlass run on more platforms?
exactEarth runs on Api, Web. StormGlass runs on Api.
Can I use StormGlass for free?
Yes. StormGlass has a free tier, so you can try it without paying. exactEarth starts at $1000/month.
What can exactEarth do that StormGlass cannot?
exactEarth covers Satellite AIS data, Global vessel tracking, Historical data archive, Anomaly detection. StormGlass covers Marine weather data, Wave forecasts, Tide data, Historical weather. Both handle Api support.

Answered from the vendors’ own pages

exactEarth: How much does ExactEarth cost?

ExactEarth has been acquired and redirected to Kpler's maritime product. Kpler does not publish pricing information online and requires customers to request a demo to receive pricing quotes.

Source
StormGlass: Is there a free tier available?

Yes, Stormglass offers a free plan with 10 API requests per day, including all weather parameters, but it is not permitted for commercial use.

Source
StormGlass: What does the Medium plan include?

The Medium plan costs 49 EUR per month and includes 5000 daily requests, all weather parameters, and full support for commercial use.

Source
StormGlass: Is annual billing available?

Yes, a 10% discount is available when paying annually on Small, Medium, and Large plans.

Source
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