★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Source check: Stock Unlock checked June 19, 2026
Tool Comparison
13F Insight vs Stock Unlock
Pick 13F Insight if
13F Insight
Free • Contact for pricing · Web · API
- You want an API so you can script or automate things
- You care about regulatory filings monitoring, news, and AI research, things Stock Unlock doesn't offer
- You're a long-term investor who cares more about fundamentals than headlines
Pick Stock Unlock if
Stock Unlock
Free • From $90/yr · Web · Mobile
- You do a lot of your research from your phone
- You care about screeners, stock comparison, and ETF analysis, things 13F Insight 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
13F Insight and Stock Unlock cover a lot of the same ground (7 shared categories, including data visualizations, watchlist, and institutional ownership), so for the basics you won't go far wrong with either. Stock Unlock simply does more: 17 categories to 13F Insight's 10, including screeners, stock comparison, and ETF analysis, plus a mobile app. 13F Insight counters by being completely free.
What readers say
13F Insight
Vote once to reveal the community verdict.
Stock Unlock
Vote once to reveal the community verdict.
Key differences at a glance
- Mobile app
- Stock Unlock
- Broader coverage
- Stock Unlock17 vs 10 categories
- API access
- 13F Insight
- Global coverage
- Stock Unlock
- Asset coverage
- 13F InsightAdds options and bonds
- 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 • Contact for pricing | Free • From $90/yr |
Free tier | Yes | Yes |
Free trial | — | — |
Plan limits | 3 limits: Free: watchlist items: 5, Standard: watchlist items: 20 +1 more | 14 limits: Free: manual portfolios: 2, Free: screener searches per week: 3 +12 more |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | Yes |
API access | Yes | No |
Broker sync | — | Yes |
Integrations | — | SnapTrade |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | Retail Traders, Pro Retail +3 more | — |
Categories covered | 10 | 17 |
Regions | North America | North America, Europe, APAC, LatAm, Middle East, Africa |
| Data & capabilities | ||
Data quality | — | 3 signals: Latency: End of Day, Granularity: EOD +1 more |
Capabilities | AI summaries: Filings | Broker sync |
Security | Encryption in transit | — |
| Try it | Visit 13F Insight | Visit Stock Unlock |
Where each one shines
What 13F Insight and Stock Unlock each do best.ShowHide
Where each one shines
What 13F Insight and Stock Unlock each do best.What 13F Insight does best
- Tracking institutional 13F holdings, Form 4 insider transactions, and 13D/G beneficial ownership reports from one filing-focused workspace.
- Research coverage for more than 30,000 institutional filers with indexed filing history, AUM context, current holdings, and position-change views.
- The AI Agent on filer, stock, and insider pages to ask plain-English questions over real SEC filings with sourced citations.
- Views for reviewing AI-generated filing summaries, position-change analysis, and unusual-activity alerts as a starting point for research.
- Tools for building filer and stock watchlists, with free and paid tiers setting different watchlist limits.
What Stock Unlock does best
- Research coverage for more than 170,000 stocks and ETFs across 70+ global exchanges, with premium plans extending historical financial depth.
- Stock Scores rated from 1 to 5 across valuation, profitability, financial health, growth, dividends, management, and analyst sentiment.
- Screening for stocks with 85+ metrics across scores, valuation, dividends, growth, financial health, and other fundamentals.
- Research coverage for ETFs through the ETF Screener, which the product navigation and homepage describe as covering 50,000+ global ETFs.
- Tools for running built-in DCF models that auto-populate financial data while letting users adjust projection periods, growth assumptions, terminal multiples, required return, and dividend growth.
Every detail we compared
Every tracked attribute for 13F Insight and Stock Unlock, side by side.ShowHide
Every detail we compared
Every tracked attribute for 13F Insight and Stock Unlock, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFsOptionsBonds | StocksETFs |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Retail TradersPro RetailValue InvestorsGrowth InvestorsAnalysts | Not specified |
Regions | North America | North AmericaEuropeAPACLatAmMiddle EastAfrica |
Coverage details | Countries: USIdentifiers: Ticker, CUSIP, and CIK | Identifiers: Ticker |
| Data | ||
Data freshness | Not specified | End of Day |
Data granularity | Not specified | EOD |
| Access & integrations | ||
Import methods | Not specified | BrokerOAuthCSVManual |
Integrations | Not specified | SnapTrade |
| Plans & trust | ||
Security & compliance | Encryption in transit | Not specified |
Capability signals | AI summaries: Filings | Broker sync |
Vendor & support | 13F InsightSupport: Email | Stock Unlock Inc.Support: Email and Chat |
Curation ratings | Not specified | Methodology 3/5Reliability 4/5UX 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 | Freewatchlist items: 5 | Freemanual portfolios: 2 · screener searches per week: 3 · +1 more |
| Entry paid plan | Subscription“Standard”watchlist items: 20 | $90/yr≈ $7.50/mo“Pro”annual billing monthly equivalent usd: 7.5 · financial history years: 10 · +4 more |
| Top plan | Subscription“Pro”watchlist items: 100 | $240/yr≈ $20/mo“Unlimited”annual billing monthly equivalent usd: 20 · financial history years: 35 · +3 more |
| Custom / enterprise | Contact sales“Enterprise” | — |
Questions we keep getting
What's the difference between 13F Insight and Stock Unlock?
13F Insight leans toward data visualizations, watchlist, and institutional ownership, while Stock Unlock puts more weight on screeners, data visualizations, and stock comparison. They overlap in 7 categories, so for most people it comes down to workflow preference and price.
How much do 13F Insight and Stock Unlock cost?
Good news: both 13F Insight and Stock Unlock have free plans, so you can run them side by side and only pay if you hit a wall.
Can I use 13F Insight or Stock Unlock on my phone?
Stock Unlock lists a dedicated mobile app, so it travels better. 13F Insight doesn't list a dedicated mobile app; its documented access is web and API.
Does 13F Insight or Stock Unlock have an API?
13F Insight has an API for programmatic access and custom integrations. Stock Unlock doesn't, so you're working through its interface.
Should I choose 13F Insight or Stock Unlock?
It depends on what you're after. Pick 13F Insight if regulatory filings monitoring and news matter to you; go with Stock Unlock if you'd rather have screeners and stock comparison. And if you only need the basics both share, let price decide.
What asset classes do 13F Insight and Stock Unlock cover?
Both cover stocks and ETFs. 13F Insight also handles options and bonds.
Which covers international markets: 13F Insight or Stock Unlock?
Stock Unlock has documented international coverage (North America, Europe, APAC, LatAm, and more), so it's the safer bet if you hold non-US stocks. 13F Insight is more region-specific, mainly North America.
Which has a better stock screener: 13F Insight or Stock Unlock?
Stock Unlock has a stock screener for surfacing ideas; 13F Insight doesn't, and focuses its energy elsewhere.
Can I track my portfolio with 13F Insight or Stock Unlock?
Stock Unlock handles portfolio tracking. 13F Insight is really a research tool; you'd track your portfolio elsewhere.
Keep researching
More comparisons to check
Other tools you might like
Keep Exploring
Feedback
Spot stale pricing, missing features, or a comparison that feels off? Send feedback on the verdict, table, alternatives, or recommendation.
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.