★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Source check: StockAlert Pro checked August 4, 2026
Tool Comparison
MarineTraffic vs StockAlert Pro
Pick MarineTraffic if
MarineTraffic
Free • Paid plans available · Web · Mobile · API
- Delayed quotes won't cut it; you need real-time data
- You do a lot of your research from your phone
- You care about shipping & trade, something StockAlert Pro doesn't offer
Pick StockAlert Pro if
StockAlert Pro
Free • From $19.99/mo · Web · API
- You care about calendar, dividends, and stock ideas, things MarineTraffic doesn't offer
Skip both if: Neither one clicks with how you research; there are strong third options.
See alternativesOutbound links may include affiliate or sponsor codes.
Our take
The bottom line
MarineTraffic and StockAlert Pro cover a lot of the same ground (3 shared categories, data visualizations, APIs & data feeds, and alerts), so for the basics you won't go far wrong with either. StockAlert Pro simply does more: 11 categories to MarineTraffic's 4, including calendar, dividends, and stock ideas. MarineTraffic counters by being completely free.
What readers say
MarineTraffic
Vote once to reveal the community verdict.
StockAlert Pro
Vote once to reveal the community verdict.
Key differences at a glance
- Real-time data
- MarineTraffic
- Broader coverage
- StockAlert Pro11 vs 4 categories
- Mobile app
- MarineTraffic
- Free plan
- Both
See for yourself
How they stack up
The side-by-side table: pricing, platforms, data, and coverage at a glance.ShowHide
How they stack up
The side-by-side table: pricing, platforms, data, and coverage at a glance.| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free • Paid plans available | Free • From $19.99/mo |
Free tier | Yes | Yes |
Free trial | — | — |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | Yes | No |
API access | Yes | Yes |
Broker sync | No | No |
Integrations | — | Slack and n8n |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | — | — |
Categories covered | 4 | 11 |
Regions | North America, Europe, APAC, LatAm, Middle East, Africa | North America, Europe |
| Data & capabilities | ||
Data quality | Latency: Streaming | 3 signals: Latency: 15-min Delayed and End of Day, Granularity: Minute and EOD +1 more |
Security | — | Data residency: EU |
| Try it | Visit MarineTraffic | Visit StockAlert Pro |
Where each one shines
What MarineTraffic and StockAlert Pro each do best.ShowHide
Where each one shines
What MarineTraffic and StockAlert Pro each do best.What MarineTraffic does best
- Tracking vessels on a live AIS map with filters for ship type, capacity, status, destination, and custom smart filters.
- Tools for creating notifications for port calls, area entries, speed or course changes, drifting, ETA updates, draught updates, proximity events, and AIS coverage changes.
- Email, mobile push, and notification archives to monitor maritime events are available without constantly watching the map.
- Views for reviewing Past Track playback, with history depth varying by plan from limited free access to deeper Enterprise history.
- Route-forecast tools for path previews, ETA detail, and speed detail where the plan supports them.
What StockAlert Pro does best
- Tools for creating alerts across price, technical, volume, fundamental, dividend, earnings, insider-activity, and time-reminder categories.
- Monitoring supported stocks and ETFs during regular, pre-market, and after-hours sessions, with notification timing dependent on plan and data freshness.
- AI equity reports and suggested smart alerts as monitoring prompts before deciding which conditions to activate.
- Tools for running a daily AI watchlist assistant that refreshes alert ideas for tracked symbols.
- The stock and ETF database, undervalued P/E screener, dividend calendar, and watchlists for lightweight discovery.
Every detail we compared
Every tracked attribute for MarineTraffic and StockAlert Pro, side by side.ShowHide
Every detail we compared
Every tracked attribute for MarineTraffic and StockAlert Pro, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | Other | StocksETFs |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | North AmericaEuropeAPACLatAmMiddle EastAfrica | North AmericaEurope |
Coverage details | Not specified | Countries: US, DE, and GB4 exchangesIdentifiers: Ticker |
| Data | ||
Data freshness | Streaming | 15-min DelayedEnd of Day |
Data granularity | Not specified | MinuteEOD |
| Access & integrations | ||
API protocols | REST | REST |
API auth & delivery | Auth: APIKey | Auth: APIKeySDKs: TS and PythonWebhooks |
Import methods | CSVManual | Not specified |
Integrations | Not specified | Slackn8n |
Export formats | CSV | JSON |
| Plans & trust | ||
Security & compliance | Not specified | Data residency: EU |
Vendor & support | Kpler (MarineTraffic)Support: Email | twys Software GmbHCountry: GermanySupport: Email |
Curation ratings | Methodology 3/5Reliability 4/5UX 4/5 | Methodology 3/5Reliability 3/5UX 4/5 |
Green tags are exclusive to that tool in this comparison.
What you'll actually pay
Plans, billing, trials, and per-month pricing for both tools.ShowHide
What you'll actually pay
Plans, billing, trials, and per-month pricing for both tools.| Tier | ||
|---|---|---|
| Free plan | Free | Free“Basic” |
| Entry paid plan | Subscription“Basic” | $19.99/mo“Premium (Monthly)” |
| Tier 2 | Subscription“Essential” | Subscription“Premium (Annual)” |
| Top plan | Subscription“Enterprise” | — |
Questions we keep getting
What's the difference between MarineTraffic and StockAlert Pro?
MarineTraffic leans toward data visualizations, APIs & data feeds, and shipping & trade, while StockAlert Pro puts more weight on alerts, calendar, and dividends. They overlap in 3 categories, so for most people it comes down to workflow preference and price.
How much do MarineTraffic and StockAlert Pro cost?
Good news: both MarineTraffic and StockAlert Pro have free plans, so you can run them side by side and only pay if you hit a wall.
Can I use MarineTraffic or StockAlert Pro on my phone?
MarineTraffic lists a dedicated mobile app, so it travels better. StockAlert Pro doesn't list a dedicated mobile app; its documented access is web and API.
Do MarineTraffic and StockAlert Pro have APIs?
Yes, both offer API access, so developers and quants can pull data programmatically or wire up their own integrations.
Should I choose MarineTraffic or StockAlert Pro?
It depends on what you're after. Pick MarineTraffic if shipping & trade matter to you; go with StockAlert Pro if you'd rather have calendar and dividends. And if you only need the basics both share, let price decide.
What asset classes do MarineTraffic and StockAlert Pro cover?
MarineTraffic covers other. StockAlert Pro covers stocks and ETFs.
Does MarineTraffic or StockAlert Pro have real-time data?
MarineTraffic offers real-time data, which matters if you trade actively. StockAlert Pro runs on delayed or end-of-day data, which is perfectly fine for longer-term investors who don't live and die by the tick.
Can I export data from MarineTraffic and StockAlert Pro?
MarineTraffic exports to CSV. StockAlert Pro is stingier about getting data out.
Which has a better stock screener: MarineTraffic or StockAlert Pro?
StockAlert Pro has a stock screener for surfacing ideas; MarineTraffic doesn't, and focuses its energy elsewhere.
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Curation & Accuracy
This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).
Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.