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NAPA vs OpenWeatherMap

NAPA logo

NAPA

Software

Ship design and operational excellence

From
$5000/year
Rated
-
Full reviewWebsite
OpenWeatherMap logo

OpenWeatherMap

Software

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: NAPA the Internet Archive's capture of NAPA's homepage on 1 January 2020 named six distinct maritime software products, NAPA Loading Computer, NAPA Emergency Computer, NAPA Logbook, NAPA Fleet Intelligence, NAPA Voyage Optimization and ClassNK-NAPA GREEN, with no price figure published for any.; OpenWeatherMap free tier capped at 60 calls/minute and 1,000,000 calls/month
  • They diverge on capability: NAPA covers Ship design, OpenWeatherMap covers Weather API.

Where they differ

Only the attributes on which NAPA and OpenWeatherMap actually diverge.

Attributes where NAPA and OpenWeatherMap differ
AttributeNAPAOpenWeatherMap
Starting price$5000/yearFree
Pricing modelone-timeUnknown
Free tierNoYes
PlatformsWindows, WebWeb
Founded19892017

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

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 NAPA

  • Ship design
  • Stability calculation
  • Voyage optimization
  • Performance monitoring
  • CAD systems
  • Fleet management
  • Weather routing
  • Windows support

Only in OpenWeatherMap

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

Both cover

  • Web support

What people use each for

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

NAPA

No use cases recorded yet. See the NAPA review.

OpenWeatherMap

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

Where each one falls short

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

NAPA

  • The Internet Archive's capture of NAPA's homepage on 1 January 2020 named six distinct maritime software products, NAPA Loading Computer, NAPA Emergency Computer, NAPA Logbook, NAPA Fleet Intelligence, NAPA Voyage Optimization and ClassNK-NAPA GREEN, with no price figure published for any.

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

NAPA

$5000/year
  • Fleet Intelligence$15000/year
    • Voyage optimization
    • Performance monitoring
    • Analytics

OpenWeatherMap

Free
  • FreeFree
    • 60 calls/min
    • 1,000,000 calls/month
    • current weather, 3-hr/5-day forecast, air pollution, 15 map layers, geocoding

Which should you pick?

Choose NAPA if

  • You need ship design.
  • You work on Windows, Web.
  • You also want stability calculation.
NAPA 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 NAPA or OpenWeatherMap better?
Neither clearly leads. NAPA starts at $5000/year and OpenWeatherMap at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, NAPA or OpenWeatherMap?
OpenWeatherMap has a free tier; the other does not. Paid plans start at $5000/year for NAPA and Free for OpenWeatherMap.
Does NAPA or OpenWeatherMap run on more platforms?
NAPA runs on Windows, Web. OpenWeatherMap runs on Web.
Can I use OpenWeatherMap for free?
Yes. OpenWeatherMap has a free tier, so you can try it without paying. NAPA starts at $5000/year.
What can NAPA do that OpenWeatherMap cannot?
NAPA covers Ship design, Stability calculation, Voyage optimization, Performance monitoring. OpenWeatherMap covers Weather API, Current conditions, Forecasts, Historical data. Both handle Web support.
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