BEST INVESTING TOOLS COMPARISON

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Checked September 24, 2026

Tool Comparison

Insider Monitor vs Insider Screener

Paid from
—
Free plan
Yes
Platforms
Web

Best if

  • You want regulatory filings monitoring.

Insider Screener

Our pick for most investors
Review & pricing
Paid from
—
Free plan
Yes
Platforms
Web, API

Best if

  • You want an API so you can script or automate things
  • You want screeners, watchlist, and alerts.

Pick Insider Monitor instead if

Insider Monitor logo

Insider Monitor

insider-monitor.com

Free · Web

  • You want regulatory filings monitoring.
Our pick for most investors

Start here

Insider Screener logo

Insider Screener

insiderscreener.com

Free • Paid plans available · Web · API

  • You want an API so you can script or automate things
  • You want screeners, watchlist, and alerts.

Skip both if: Neither one clicks with how you research; there are strong third options.

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Our take

The bottom line

Insider Screener simply does more: 6 categories to Insider Monitor's 2, including screeners, watchlist, and alerts. Insider Monitor counters by being completely free. On paper they're closely matched, so let pricing, platform fit, and the details below break the tie.

What readers say

Insider Monitor

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Insider Screener

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Key differences at a glance

Global coverage
Insider Screener
Broader coverage
Insider Screener6 vs 2 categories
API access
Insider Screener
Asset coverage
Insider MonitorAdds closed-end funds
Free plan
Both
See the full side-by-side table
Insider Monitor logo

What Insider Monitor does best

  1. Browse a real-time insider table with purchases, sales, filing times, issuer details, insider roles, values, and SEC links.
  2. Officer cluster-buy reports to find tickers bought by multiple corporate officers over the past two weeks.
  3. Review weekly and monthly top-10 lists for the largest insider purchases when looking for high-value Form 4 activity.
  4. Direct access to company and trader pages for per-issuer and per-insider transaction history, monthly summaries, year summaries, CIK references, and SEC source links.
  5. Industry views to compare Form 4 filing counts across broad industry divisions since 2020.
Insider Screener logo

What Insider Screener does best

  1. Insider buying and selling across 17 markets in North America, Europe, India, Australia, and South Korea.
  2. Screening for insider buys, sells, cluster activity, buying-the-dip behavior, executive transactions, and earnings-related trades.
  3. Standardized cross-market data to compare insider activity across jurisdictions that normally publish filings in different formats.
  4. Updates within minutes of regulatory filings, according to Insider Screener.
  5. Saved searches, daily email reports, and alerts on paid web plans.

Side by side

Pricing & plans
Starting price
Free
Free • Paid plans available
Free tier
Yes
Yes
Free trial
—
—
Platforms & access
Web app
Yes
Yes
Mobile app
No
No
API access
No
Yes
Broker sync
—
No
Coverage & data
Asset types
StocksClosed-End Funds
Stocks
Data freshness
Real-time
Real-time
Export formats
Not specified
CSVExcel

Pricing comparison

Free plan
Free
Free“Free (browse/limited)”
Entry paid plan
—
Subscription“Plus”
Tier 2
—
Subscription“Pro”
Tier 3
—
Subscription“Premium”
Tier 4
—
$49/moBilled monthly“API Starter”
Tier 5
—
$149/moBilled monthly“API Pro”
Top plan
—
$499/moBilled monthly“API Research”

See for yourself

Side by side

Price, platforms, data, and market coverage.
Show
Side-by-side comparison of Insider Monitor and Insider Screener
Attribute
Insider Monitor logo
Insider Monitor
Insider Screener logo
Insider Screener
Pricing & plans
Starting price
FreeFree • Paid plans available
Free tier
YesYes
Free trial
——
Plan limits
—15 limits: API Starter: monthly credits: 1,000, API Starter: requests per second: 1 +13 more
Platforms & access
Web app
YesYes
Mobile app
NoNo
API access
NoYes
Broker sync
—No
Audience & fit
Experience level
Beginner, Intermediate, AdvancedBeginner, Intermediate, Advanced
Best for
——
Categories covered
26
Regions
North AmericaNorth America, Europe, APAC
Data & capabilities
Data quality
Latency: Real-time and Timezone: America/New_YorkLatency: Real-time
Capabilities
—Universe builder
Try itVisit Insider MonitorVisit Insider Screener

Standout features

The best features of Insider Monitor and Insider Screener.
Show
Insider Monitor logo

What Insider Monitor does best

  1. Browse a real-time insider table with purchases, sales, filing times, issuer details, insider roles, values, and SEC links.
  2. Officer cluster-buy reports to find tickers bought by multiple corporate officers over the past two weeks.
  3. Review weekly and monthly top-10 lists for the largest insider purchases when looking for high-value Form 4 activity.
  4. Direct access to company and trader pages for per-issuer and per-insider transaction history, monthly summaries, year summaries, CIK references, and SEC source links.
  5. Industry views to compare Form 4 filing counts across broad industry divisions since 2020.
Insider Screener logo

What Insider Screener does best

  1. Insider buying and selling across 17 markets in North America, Europe, India, Australia, and South Korea.
  2. Screening for insider buys, sells, cluster activity, buying-the-dip behavior, executive transactions, and earnings-related trades.
  3. Standardized cross-market data to compare insider activity across jurisdictions that normally publish filings in different formats.
  4. Updates within minutes of regulatory filings, according to Insider Screener.
  5. Saved searches, daily email reports, and alerts on paid web plans.

All details

Every attribute we track for Insider Monitor and Insider Screener.
Show
Attribute
Insider Monitor logo
Insider Monitor
Insider Screener logo
Insider Screener
Coverage & fit
Asset types
StocksClosed-End Funds
Stocks
Experience
BeginnerIntermediateAdvanced
BeginnerIntermediateAdvanced
Regions
North America
North AmericaEuropeAPAC
Coverage details
Countries: USIdentifiers: Ticker
17 countriesIdentifiers: Ticker
Data
Data freshness
Real-time
Real-time
Access & integrations
API protocols
Not specified
REST
API auth & delivery
Not specified
Auth: APIKey
Export formats
Not specified
CSVExcel
Plans & trust
Capability signals
Not specified
Universe builder
Vendor & support
Insider MonitorSupport: Email
insiderscreener.com Inc.Country: United StatesSupport: Email
Curation ratings
Methodology 2/5Reliability 3/5UX 3/5
Methodology 3/5Reliability 4/5UX 4/5

Green tags are exclusive to that tool in this comparison.

Pricing

Plans, billing, free trials, and monthly prices.
Show
Plan-by-plan pricing comparison of Insider Monitor and Insider Screener
Tier
Insider Monitor logo
Insider Monitor
Insider Screener logo
Insider Screener
Free plan
Free
Free“Free (browse/limited)”
Entry paid plan—
Subscription“Plus”
Tier 2—
Subscription“Pro”
Tier 3—
Subscription“Premium”
Tier 4—
$49/moBilled monthly“API Starter”monthly credits: 1,000 · requests per second: 1 · +2 more
Tier 5—
$149/moBilled monthly“API Pro”monthly credits: 5,000 · requests per second: 2 · +2 more
Top plan—
$499/moBilled monthly“API Research”monthly credits: 20,000 · requests per second: 5 · +2 more

Questions we keep getting

What's the difference between Insider Monitor and Insider Screener?

Insider Monitor leans toward insider data and regulatory filings monitoring, while Insider Screener puts more weight on screeners, watchlist, and alerts. They overlap in 1 categories, so for most people it comes down to workflow preference and price.

How much do Insider Monitor and Insider Screener cost?

Good news: both Insider Monitor and Insider Screener have free plans, so you can run them side by side and only pay if you hit a wall.

Does Insider Monitor or Insider Screener have an API?

Insider Screener has an API for programmatic access and custom integrations. Insider Monitor doesn't, so you're working through its interface.

Should I choose Insider Monitor or Insider Screener?

It depends on what you're after. Pick Insider Monitor if regulatory filings monitoring matter to you; go with Insider Screener if you'd rather have screeners and watchlist. And if you only need the basics both share, let price decide.

What asset classes do Insider Monitor and Insider Screener cover?

Both cover stocks. Insider Monitor also handles closed-end funds.

Do Insider Monitor and Insider Screener offer real-time data?

Yes, both serve real-time market data, so either works when timing matters.

Which covers international markets: Insider Monitor or Insider Screener?

Insider Screener has documented international coverage (North America, Europe, and APAC), so it's the safer bet if you hold non-US stocks. Insider Monitor is more region-specific, mainly North America.

Can I export data from Insider Monitor and Insider Screener?

Insider Screener exports to CSV and Excel. Insider Monitor is stingier about getting data out.

Which has a better stock screener: Insider Monitor or Insider Screener?

Insider Screener has a stock screener for surfacing ideas; Insider Monitor 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.