VOL. XCIV, NO. 247
BEST INVESTING TOOLS COMPARISON
Tool details checked August 23, 2026
Tool Comparison
ChartMill vs Insider Screener
Start here
ChartMill
Free • Paid plans available · Web
- You want stock ideas, stock comparison, and data visualizations.
- You trade often and need tooling built for speed
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 want an API so you can script or automate things
Skip both if: Neither one clicks with how you research; there are strong third options.
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Our take
The bottom line
ChartMill and Insider Screener cover a lot of the same ground (5 shared categories, including screeners, scores, and watchlist), so for the basics you won't go far wrong with either. ChartMill simply does more: 24 categories to Insider Screener's 6, including stock ideas, stock comparison, and data visualizations. Insider Screener counters by being completely free.
What readers say
ChartMill
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Insider Screener
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Key differences at a glance
- Real-time data
- Insider Screener
- Broader coverage
- ChartMill24 vs 6 categories
- API access
- Insider Screener
- Asset coverage
- ChartMillAdds 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 • Paid plans available |
Free tier | Yes | Yes |
Free trial | — | — |
Plan limits | Free: financials history: 4 years/quarters (free users, example pages). | — |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | No |
API access | No | Yes |
Broker sync | — | No |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | Retail Traders, Pro Retail +6 more | — |
Categories covered | 24 | 6 |
Regions | North America, Europe | North America, Europe, APAC |
| Data & capabilities | ||
Data quality | 3 signals: Latency: 15-min Delayed and End of Day, Granularity: EOD and Minute +1 more | Latency: Real-time |
Capabilities | Custom formulas and Universe builder | Universe builder |
| Try it | Visit ChartMill | Visit Insider Screener |
Where each one shines
What ChartMill and Insider Screener each do best.ShowHide
Where each one shines
What ChartMill and Insider Screener each do best.What ChartMill does best
- Screening for stocks and ETFs with technical, fundamental, dividend, valuation, growth, profitability, health, and custom-expression filters.
- Start from Trading Ideas templates for breakouts, pullbacks, CANSLIM, Minervini, GARP, dividends, value, and growth.
- ChartMill ratings, technical setup views, analyzer pages, and fundamental reports to compare candidates.
- Build watchlists, save screens, export results, and set alerts for prices, setups, earnings, news, insider activity, fundamentals, analyst changes, and screen results.
- Multi-chart layouts, saved chart configurations, drawings, indicators, event markers, and watchlist-based charting.
What Insider Screener does best
- Insider buying and selling across 16 markets in North America, Europe, 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 within minutes of regulatory filings, according to Insider Screener.
- Saved searches, daily email reports, and alerts on paid web plans.
Every detail we compared
Every tracked attribute for ChartMill and Insider Screener, side by side.ShowHide
Every detail we compared
Every tracked attribute for ChartMill and Insider Screener, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFs | Stocks |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Retail TradersPro RetailDay TradersSwing TradersLong-term InvestorsGrowth InvestorsValue InvestorsDividend Investors | Not specified |
Regions | North AmericaEurope | North AmericaEuropeAPAC |
Coverage details | 17 countries9 exchangesIdentifiers: Ticker and ISIN | 16 countriesIdentifiers: Ticker |
| Data | ||
Data freshness | 15-min DelayedEnd of Day | Real-time |
Data granularity | EODMinute | Not specified |
| Access & integrations | ||
API protocols | Not specified | REST |
API auth & delivery | Not specified | Auth: APIKey |
Export formats | CSV | CSVExcel |
| Plans & trust | ||
Capability signals | Custom formulasUniverse builder | Universe builder |
Vendor & support | ChartMill | insiderscreener.com Inc.Country: United StatesSupport: Email |
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 | Freefinancials history: 4 years/quarters (free users, example pages). | Free“Free (browse/limited)” |
| Entry paid plan | $34.97/mo“Monthly Subscription” | Subscription“Plus” |
| Tier 2 | $299.97/yr“Annual Subscription + Free Course” | Subscription“Pro” |
| Tier 3 | — | Subscription“Premium” |
| Tier 4 | — | €42/mo“API Starter” |
| Tier 5 | — | €129/mo“API Pro” |
| Top plan | — | €429/mo“API Research” |
Questions we keep getting
What's the difference between ChartMill and Insider Screener?
ChartMill leans toward screeners, stock ideas, and stock comparison, while Insider Screener puts more weight on screeners, watchlist, and alerts. They overlap in 5 categories, so for most people it comes down to workflow preference and price.
How much do ChartMill and Insider Screener cost?
Good news: both ChartMill and Insider Screener have free plans, so you can run them side by side and only pay if you hit a wall.
Does ChartMill or Insider Screener have an API?
Insider Screener has an API for programmatic access and custom integrations. ChartMill doesn't, so you're working through its interface.
Should I choose ChartMill or Insider Screener?
It depends on what you're after. Pick ChartMill if stock ideas and stock comparison matter to you; go with Insider Screener if you'd rather have APIs & data feeds. And if you only need the basics both share, let price decide.
What asset classes do ChartMill and Insider Screener cover?
Both cover stocks. ChartMill also handles ETFs.
Does ChartMill or Insider Screener have real-time data?
Insider Screener offers real-time data, which matters if you trade actively. ChartMill 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 ChartMill and Insider Screener?
Yes, both export to spreadsheets (CSV), which is handy if you like running your own numbers.
Is ChartMill or Insider Screener better for day trading?
ChartMill is the one positioned more for active traders. Insider Screener is the better fit if you care less about fast trading workflows and more about a calmer research process.
Which has a better stock screener: ChartMill or Insider Screener?
Both ChartMill and Insider Screener 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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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.