Maritime · head to head
Alphaliner vs StormGlass
The short version
- Only StormGlass has a free tier, so it costs nothing to try first.
- Each has a real cost: Alphaliner now delivered through AXSMarine rather than independently, and alphaliner.com redirects there; StormGlass the free tier allows 10 API requests per day and is not licensed for commercial use
- They diverge on capability: Alphaliner covers Fleet database, StormGlass covers Marine weather data.
- Prices and features above were last checked on 30 August 2026.
Where they differ
Only the attributes on which Alphaliner and StormGlass actually diverge.
| Attribute | Alphaliner | StormGlass |
|---|---|---|
| Starting price | $800/month | Free |
| Pricing model | subscription | freemium |
| Free tier | No | Yes |
| Platforms | Web | Api |
| Founded | 1998 | 2017 |
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 Alphaliner
- Fleet database
- Charter rate tracking
- Capacity analysis
- Market reports
- Data exports
- Excel reports
- Web support
Only in StormGlass
- Marine weather data
- Wave forecasts
- Tide data
- Historical weather
- REST API
- Webhooks
- SDKs
- Api support
What people use each for
The jobs each tool is most often brought in to do.
Alphaliner
- Tracking liner services and containership deploymentsnot StormGlass
- Port and terminal call analyticsnot StormGlass
- Fleet monitoring with technical and commercial vessel datanot StormGlass
- Suez and Panama canal traffic analysisnot StormGlass
- Feeding shipping data into internal systems through the API hubnot StormGlass
StormGlass
- Pulling marine weather and sea state forecasts into a vessel routing or planning toolnot Alphaliner
- Adding tide, wave and wind data to a maritime or coastal applicationnot Alphaliner
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Alphaliner
- Now delivered through AXSMarine rather than independently, and alphaliner.com redirects there
- Neither the subscription model nor any price is published
- A market intelligence data service for shipping professionals rather than an operational tool
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
Alphaliner
$800/month- Professional$1500/month
- Fleet database
- Charter rates
- Weekly reports
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 StormGlass if
- You need marine weather data.
- You want to start without paying.
- You work on Api.
- You also want wave forecasts.
Questions people ask
- Is Alphaliner or StormGlass better?
- Neither clearly leads. Alphaliner starts at $800/month and StormGlass at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Alphaliner or StormGlass?
- StormGlass has a free tier; the other does not. Paid plans start at $800/month for Alphaliner and Free for StormGlass.
- Does Alphaliner or StormGlass run on more platforms?
- Alphaliner runs on Web. StormGlass runs on Api.
- Can I use StormGlass for free?
- Yes. StormGlass has a free tier, so you can try it without paying. Alphaliner starts at $800/month.
- What is Alphaliner best used for?
- Alphaliner is most often used for tracking liner services and containership deployments, port and terminal call analytics, fleet monitoring with technical and commercial vessel data, suez and panama canal traffic analysis. Of those, tracking liner services and containership deployments and port and terminal call analytics are not what StormGlass is typically brought in for.
- What can Alphaliner do that StormGlass cannot?
- Alphaliner covers Fleet database, Charter rate tracking, Capacity analysis, Market reports. StormGlass covers Marine weather data, Wave forecasts, Tide data, Historical weather.
Answered from the vendors’ own pages
Alphaliner: How much does Alphaliner cost?
Alphaliner does not publish pricing information on its website. Customers must book a demo or contact the sales team directly to receive a price quote tailored to their shipping and logistics needs.
SourceStormGlass: 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.
SourceAlphaliner: Does Alphaliner offer a free trial or demo?
Alphaliner offers a demo booking option to evaluate the platform. Interested users can schedule a demonstration with the Alphaliner team to explore features including service tracking, port analytics, fleet monitoring, and API integration before purchasing.
SourceStormGlass: 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.
SourceStormGlass: Is annual billing available?
Yes, a 10% discount is available when paying annually on Small, Medium, and Large plans.
SourceRelated pages
Other head to heads
- Alphaliner vs MarineTraffic
- Alphaliner vs Kongsberg Maritime
- Alphaliner vs ChartCo
- Alphaliner vs Sea Machines
- Alphaliner vs Clarksons
- Alphaliner vs Linerlytica
- Alphaliner vs Xeneta
- Alphaliner vs Lloyd's List Intelligence
- Alphaliner vs S&P Global Maritime
- Alphaliner vs Sea-Intelligence
- Alphaliner vs Drewry
- Alphaliner vs Kpler
- Alphaliner vs NAPA Fleet Intelligence
- Alphaliner vs NAVTOR
- Alphaliner vs Orca AI
- Alphaliner vs Sofar Ocean
- Alphaliner vs Spire Global Maritime
- Alphaliner vs Vizion
- Alphaliner vs Flexport
- Alphaliner vs CargoSmart
- Alphaliner vs exactEarth
- Alphaliner vs DTN
- Alphaliner vs FleetMon
- Alphaliner vs Kaleris
- Alphaliner vs Kongsberg Vessel Insight
- StormGlass vs MarineTraffic
- StormGlass vs Kongsberg Maritime
- StormGlass vs ChartCo
- StormGlass vs Sea Machines
- StormGlass vs Clarksons
- StormGlass vs Linerlytica
- StormGlass vs Xeneta
- StormGlass vs Lloyd's List Intelligence
- StormGlass vs S&P Global Maritime
- StormGlass vs Sea-Intelligence
- StormGlass vs Drewry
- StormGlass vs Kpler
- StormGlass vs NAPA Fleet Intelligence
- StormGlass vs NAVTOR
- StormGlass vs Orca AI
- StormGlass vs Sofar Ocean
- StormGlass vs Spire Global Maritime
- StormGlass vs Vizion
- StormGlass vs Flexport
- StormGlass vs CargoSmart
- StormGlass vs exactEarth
- StormGlass vs DTN
- StormGlass vs FleetMon
- StormGlass vs Kaleris
- StormGlass vs Kongsberg Vessel Insight


