★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Tool comparison edition
Tool Comparison
13F Insight vs Marketlog
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, insider data, and AI research, things Marketlog doesn't offer
Pick Marketlog if
Marketlog
Free • From $79.99/yr · Web · Mobile
- Delayed quotes won't cut it; you need real-time data
- You do a lot of your research from your phone
- You care about portfolio, risk metrics, and monte carlo, 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 Marketlog cover a lot of the same ground (6 shared categories, including data visualizations, watchlist, and institutional ownership), so for the basics you won't go far wrong with either. Marketlog simply does more: 18 categories to 13F Insight's 10, including portfolio, risk metrics, and monte carlo, plus a mobile app. 13F Insight counters by being completely free.
What readers say
13F Insight
Vote once to reveal the community verdict.
Marketlog
Vote once to reveal the community verdict.
Key differences at a glance
- Real-time data
- Marketlog
- Free trial
- Marketlog7 days
- Broader coverage
- Marketlog18 vs 10 categories
- Mobile app
- Marketlog
- API access
- 13F Insight
- Global coverage
- Marketlog
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 $79.99/yr |
Free tier | Yes | Yes |
Free trial | — | 7 days |
Plan limits | 3 limits: Free: watchlist items: 5, Standard: watchlist items: 20 +1 more | 19 limits: Free: portfolios: 1, Free: holdings: 12 +17 more |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | Yes |
API access | Yes | No |
Broker sync | — | Yes |
Integrations | — | Yodlee, Fidelity Investments +5 more |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | Retail Traders, Pro Retail +3 more | Retail Traders, Pro Retail +4 more |
Categories covered | 10 | 18 |
Regions | North America | North America, Europe, APAC, LatAm, Middle East, Africa |
| Data & capabilities | ||
Data quality | — | 5 signals: Latency: Real-time and End of Day, Granularity: Minute and EOD +3 more |
Data partners | — | Yodlee and Third-party data licensors |
Capabilities | AI summaries: Filings | 3 signals: Monte Carlo, Broker sync +1 more |
Security | Encryption in transit | Encryption at rest and Encryption in transit |
| Try it | Visit 13F Insight | Visit Marketlog |
Where each one shines
What 13F Insight and Marketlog each do best.ShowHide
Where each one shines
What 13F Insight and Marketlog 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 Marketlog does best
- Tracking portfolios across stocks, ETFs, options, bonds, funds, forex, crypto, indices, and other assets on web, iOS, and Android.
- Enter transactions manually or connect supported brokerage and bank accounts through Marketlog’s data provider.
- Broker and bank connectivity for 2,000+ supported institutions, with examples such as Fidelity, E*TRADE, Vanguard, Schwab, Interactive Brokers, and Robinhood.
- Monitoring gains, drawdowns, returns, diversification, goals, target allocation, benchmarking, and daily or weekly portfolio email updates.
- Tracking dividends automatically with dividend calendars, upcoming payment alerts, yield notifications, and a broad symbol universe.
Every detail we compared
Every tracked attribute for 13F Insight and Marketlog, side by side.ShowHide
Every detail we compared
Every tracked attribute for 13F Insight and Marketlog, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFsOptionsBonds | StocksETFsOptionsBondsFundsCurrenciesCryptosOther |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Retail TradersPro RetailValue InvestorsGrowth InvestorsAnalysts | Retail TradersPro RetailLong-term InvestorsDividend InvestorsDay TradersSwing Traders |
Regions | North America | North AmericaEuropeAPACLatAmMiddle EastAfrica |
Coverage details | Countries: USIdentifiers: Ticker, CUSIP, and CIK | 26 countriesIdentifiers: Ticker and CUSIP |
| Data | ||
Data freshness | Not specified | Real-timeEnd of Day |
Data granularity | Not specified | MinuteEOD |
Pricing sources | Not specified | VendorManual |
Data partners | Not specified | YodleeThird-party data licensors |
| Access & integrations | ||
Import methods | Not specified | BrokerOAuthManual |
Integrations | Not specified | YodleeFidelity InvestmentsE*TRADE from Morgan StanleyVanguardSchwabInteractive BrokersRobinhood |
Export formats | Not specified | Image |
| Plans & trust | ||
Security & compliance | Encryption in transit | Encryption at restEncryption in transit |
Capability signals | AI summaries: Filings | Monte CarloBroker syncMulti-currency |
Vendor & support | 13F InsightSupport: Email | Myfxbook Ltd.Country: IsraelSupport: Email |
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 | Freeportfolios: 1 · holdings: 12 · +3 more |
| Entry paid plan | Subscription“Standard”watchlist items: 20 | $79.99/yr≈ $6.67/mo“Plus Annual”portfolios: 2 · holdings: Unlimited · +2 more |
| Tier 2 | Subscription“Pro”watchlist items: 100 | $7.99/mo“Plus Monthly”portfolios: 2 · holdings: Unlimited · +2 more |
| Tier 3 | — | $179.99/yr≈ $15/mo“Pro Annual”portfolios: 10 · holdings: Unlimited · +1 more |
| Top plan | — | $17.99/mo“Pro Monthly”portfolios: 10 · holdings: Unlimited · +1 more |
| Custom / enterprise | Contact sales“Enterprise” | — |
| Free trial | — | 7 days |
Questions we keep getting
What's the difference between 13F Insight and Marketlog?
13F Insight leans toward data visualizations, watchlist, and institutional ownership, while Marketlog puts more weight on portfolio, watchlist, and institutional ownership. They overlap in 6 categories, so for most people it comes down to workflow preference and price.
How much do 13F Insight and Marketlog cost?
Good news: both 13F Insight and Marketlog 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 Marketlog on my phone?
Marketlog 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 Marketlog have an API?
13F Insight has an API for programmatic access and custom integrations. Marketlog doesn't, so you're working through its interface.
Should I choose 13F Insight or Marketlog?
It depends on what you're after. Pick 13F Insight if regulatory filings monitoring and insider data matter to you; go with Marketlog if you'd rather have portfolio and risk metrics. And if you only need the basics both share, let price decide.
What asset classes do 13F Insight and Marketlog cover?
Both cover stocks, ETFs, options, and bonds. Marketlog adds funds, currencies, and cryptos on top.
Does 13F Insight or Marketlog have real-time data?
Marketlog offers real-time data, which matters if you trade actively. 13F Insight 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.
Which covers international markets: 13F Insight or Marketlog?
Marketlog 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.
Is 13F Insight or Marketlog better for day trading?
Marketlog is the one positioned more for active traders. 13F Insight is the better fit if you care less about fast trading workflows and more about a calmer research process.
Can I track my portfolio with 13F Insight or Marketlog?
Marketlog handles portfolio tracking. 13F Insight 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.