★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Source check: Uncle Stock checked August 4, 2026
Tool Comparison
MarineTraffic vs Uncle Stock
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 Uncle Stock doesn't offer
Pick Uncle Stock if
Uncle Stock
Free • From $130/yr · Web · API
- You care about screeners, backtesting, and financials, things MarineTraffic doesn't offer
- You're a long-term investor who cares more about fundamentals than headlines
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 Uncle Stock 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. Uncle Stock simply does more: 11 categories to MarineTraffic's 4, including screeners, backtesting, and financials. MarineTraffic counters by being completely free.
What readers say
MarineTraffic
Vote once to reveal the community verdict.
Uncle Stock
Vote once to reveal the community verdict.
Key differences at a glance
- Real-time data
- MarineTraffic
- Free trial
- Uncle Stock14 days
- Broader coverage
- Uncle Stock11 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 $130/yr |
Free tier | Yes | Yes |
Free trial | — | 14 days |
Plan limits | — | 10 limits: Bronze (Monthly): history years: 25, Bronze (Monthly): us history years: 35 +8 more |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | Yes | No |
API access | Yes | Yes |
Broker sync | No | No |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | — | Retail Traders, Pro Retail +2 more |
Categories covered | 4 | 11 |
Regions | North America, Europe, APAC, LatAm, Middle East, Africa | North America, Europe, APAC, LatAm, Middle East, Africa |
| Data & capabilities | ||
Data quality | Latency: Streaming | Granularity: EOD |
Data partners | — | Sharadar and Financial Modeling Prep |
Capabilities | — | Universe builder |
| Try it | Visit MarineTraffic | Visit Uncle Stock |
Where each one shines
What MarineTraffic and Uncle Stock each do best.ShowHide
Where each one shines
What MarineTraffic and Uncle Stock 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 Uncle Stock does best
- Screening for more than 100,000 global stocks across regions and market caps using more than 2,000 fundamental and valuation metrics.
- Guru-inspired models and screens based on investors such as Buffett, Graham, and Lynch, with plan-dependent advice, scores, and price-target metrics.
- Tools for building screens with metric conditions, Must/Should/Exclude clauses, and Silver-plus multi-criteria composite ranking.
- Backtest fundamental screens with yearly rebalancing on Silver, then quarterly and half-yearly rebalancing on Gold.
- Configuration for backtests with sector caps, rebalance strategies, early-sell or stop-loss rules, and multiple position-sizing methods.
Every detail we compared
Every tracked attribute for MarineTraffic and Uncle Stock, side by side.ShowHide
Every detail we compared
Every tracked attribute for MarineTraffic and Uncle Stock, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | Other | StocksCryptos |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Not specified | Retail TradersPro RetailLong-term InvestorsValue Investors |
Regions | North AmericaEuropeAPACLatAmMiddle EastAfrica | North AmericaEuropeAPACLatAmMiddle EastAfrica |
Coverage details | Not specified | Identifiers: Ticker |
| Data | ||
Data freshness | Streaming | Not specified |
Data granularity | Not specified | EOD |
Data partners | Not specified | SharadarFinancial Modeling Prep |
| Access & integrations | ||
API protocols | REST | REST |
API auth & delivery | Auth: APIKey | Auth: APIKeyDocs |
Import methods | CSVManual | Manual |
Export formats | CSV | CSV |
| Plans & trust | ||
Capability signals | Not specified | Universe builder |
Vendor & support | Kpler (MarineTraffic)Support: Email | Castlefish BVCountry: BelgiumSupport: Chat, Email, Phone, and Forum |
Curation ratings | Methodology 3/5Reliability 4/5UX 4/5 | Not specified |
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 |
| Entry paid plan | Subscription“Basic” | $130/yr≈ $10.83/mo“Bronze (Yearly)”history years: 25 · us history years: 35 |
| Tier 2 | Subscription“Essential” | $210/yr≈ $17.50/mo“Silver (Yearly)”backtest rebalance: Yearly |
| Tier 3 | Subscription“Enterprise” | $20/mo“Bronze (Monthly)”history years: 25 · us history years: 35 |
| Tier 4 | — | $350/yr≈ $29.17/mo“Gold (Yearly)”api calls per month: 300 · backtest rebalance: Quarterly/Half-yearly |
| Tier 5 | — | $35/mo“Silver (Monthly)”backtest rebalance: Yearly |
| Top plan | — | $60/mo“Gold (Monthly)”api calls per month: 300 · backtest rebalance: Quarterly/Half-yearly |
| Free trial | — | 14 days |
Questions we keep getting
What's the difference between MarineTraffic and Uncle Stock?
MarineTraffic leans toward data visualizations, APIs & data feeds, and shipping & trade, while Uncle Stock puts more weight on screeners, backtesting, and data visualizations. They overlap in 3 categories, so for most people it comes down to workflow preference and price.
How much do MarineTraffic and Uncle Stock cost?
Good news: both MarineTraffic and Uncle Stock have free plans, so you can run them side by side and only pay if you hit a wall.
Can I use MarineTraffic or Uncle Stock on my phone?
MarineTraffic lists a dedicated mobile app, so it travels better. Uncle Stock doesn't list a dedicated mobile app; its documented access is web and API.
Do MarineTraffic and Uncle Stock 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 Uncle Stock?
It depends on what you're after. Pick MarineTraffic if shipping & trade matter to you; go with Uncle Stock if you'd rather have screeners and backtesting. And if you only need the basics both share, let price decide.
What asset classes do MarineTraffic and Uncle Stock cover?
MarineTraffic covers other. Uncle Stock covers stocks and cryptos.
Does MarineTraffic or Uncle Stock have real-time data?
MarineTraffic offers real-time data, which matters if you trade actively. Uncle Stock 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 Uncle Stock?
Yes, both export to spreadsheets (CSV), which is handy if you like running your own numbers.
Which has a better stock screener: MarineTraffic or Uncle Stock?
Uncle Stock has a stock screener for surfacing ideas; MarineTraffic doesn't, and focuses its energy elsewhere.
Can I track my portfolio with MarineTraffic or Uncle Stock?
Uncle Stock handles portfolio tracking. MarineTraffic is really a research tool; you'd track your portfolio elsewhere.
Keep researching
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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.