★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Source check: StockAlert Pro checked August 4, 2026
Tool Comparison
Insider Screener vs StockAlert Pro
Pick Insider Screener instead if
Insider Screener
Free • Paid plans available · Web · API
- Delayed quotes won't cut it; you need real-time data
- You care about insider data and scores, things StockAlert Pro doesn't offer
Start here
StockAlert Pro
Free • From $19.99/mo · Web · API
- You care about calendar, dividends, and stock ideas, things Insider Screener 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
Insider Screener and StockAlert Pro cover a lot of the same ground (4 shared categories, including screeners, watchlist, and alerts), so for the basics you won't go far wrong with either. StockAlert Pro simply does more: 11 categories to Insider Screener's 6, including calendar, dividends, and stock ideas. Insider Screener counters by being completely free.
What readers say
Insider Screener
Vote once to reveal the community verdict.
StockAlert Pro
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Key differences at a glance
- Real-time data
- Insider Screener
- Broader coverage
- StockAlert Pro11 vs 6 categories
- Asset coverage
- StockAlert ProAdds ETFs
- 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 | No | 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 | 6 | 11 |
Regions | North America, Europe, APAC | North America, Europe |
| Data & capabilities | ||
Data quality | Latency: Real-time | 3 signals: Latency: 15-min Delayed and End of Day, Granularity: Minute and EOD +1 more |
Capabilities | Universe builder | — |
Security | — | Data residency: EU |
| Try it | Visit Insider Screener | Visit StockAlert Pro |
Where each one shines
What Insider Screener and StockAlert Pro each do best.ShowHide
Where each one shines
What Insider Screener and StockAlert Pro each do best.What Insider Screener does best
- Tracking insider buying and selling across 16 markets, including the U.S., Canada, major European markets, India, and Australia.
- Screening for insider buys, sells, cluster activity, buying-the-dip behavior, executive transactions, and earnings-related trades.
- Standardized cross-market data to compare insider activity across jurisdictions that normally publish filings in different formats.
- Updates that appear within minutes of regulatory filings from regulators and exchanges.
- Support for saving searches, receive daily email reports, and create alerts on paid web tiers.
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 Insider Screener and StockAlert Pro, side by side.ShowHide
Every detail we compared
Every tracked attribute for Insider Screener and StockAlert Pro, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | Stocks | StocksETFs |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | North AmericaEuropeAPAC | North AmericaEurope |
Coverage details | 14 countriesIdentifiers: Ticker | Countries: US, DE, and GB4 exchangesIdentifiers: Ticker |
| Data | ||
Data freshness | Real-time | 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 |
Integrations | Not specified | Slackn8n |
Export formats | CSVExcel | JSON |
| Plans & trust | ||
Security & compliance | Not specified | Data residency: EU |
Capability signals | Universe builder | Not specified |
Vendor & support | insiderscreener.com Inc.Country: United StatesSupport: 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 (browse/limited)” | Free“Basic” |
| Entry paid plan | Subscription“Plus” | $19.99/mo“Premium (Monthly)” |
| Tier 2 | Subscription“Pro” | Subscription“Premium (Annual)” |
| Tier 3 | Subscription“Premium” | — |
| Tier 4 | Subscription“API Starter (€25/mo)” | — |
| Tier 5 | Subscription“API Pro (€85/mo)” | — |
| Top plan | Subscription“API Research (€299/mo quarterly / €339 monthly)” | — |
Questions we keep getting
What's the difference between Insider Screener and StockAlert Pro?
Insider Screener leans toward screeners, watchlist, and alerts, while StockAlert Pro puts more weight on alerts, calendar, and dividends. They overlap in 4 categories, so for most people it comes down to workflow preference and price.
How much do Insider Screener and StockAlert Pro cost?
Good news: both Insider Screener and StockAlert Pro have free plans, so you can run them side by side and only pay if you hit a wall.
Do Insider Screener 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 Insider Screener or StockAlert Pro?
It depends on what you're after. Pick Insider Screener if insider data and scores 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 Insider Screener and StockAlert Pro cover?
Both cover stocks. StockAlert Pro adds ETFs on top.
Does Insider Screener or StockAlert Pro have real-time data?
Insider Screener 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 Insider Screener and StockAlert Pro?
Insider Screener exports to CSV and Excel. StockAlert Pro is stingier about getting data out.
Which has a better stock screener: Insider Screener or StockAlert Pro?
Both Insider Screener and StockAlert Pro include stock screeners, and they differ more in interface than raw power; try both and see which one clicks for you.
Keep researching
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Feedback
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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.