★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Tool details checked August 23, 2026
Tool Comparison
ChartMill vs Uncle Stock
Start here
ChartMill
Free • Paid plans available · Web
- You care about stock ideas, stock comparison, and news, things Uncle Stock doesn't offer
- You trade often and need tooling built for speed
Pick Uncle Stock instead if
Uncle Stock
Free • From $130/yr · Web · API
- You want an API so you can script or automate things
- You care about portfolio and APIs & data feeds, things ChartMill 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
ChartMill and Uncle Stock cover a lot of the same ground (9 shared categories, including screeners, data visualizations, and scores), so for the basics you won't go far wrong with either. ChartMill simply does more: 24 categories to Uncle Stock's 11, including stock ideas, stock comparison, and news. Uncle Stock counters by keeping things simpler.
What readers say
ChartMill
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Uncle Stock
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Key differences at a glance
- API access
- Uncle Stock
- Free trial
- Uncle Stock14 days
- Broader coverage
- ChartMill24 vs 11 categories
- 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 $130/yr |
Free tier | Yes | Yes |
Free trial | — | 14 days |
Plan limits | Free: financials history: 4 years/quarters (free users, example pages). | 10 limits: Bronze (Monthly): history years: 25, Bronze (Monthly): us history years: 35 +8 more |
| 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 | Retail Traders, Pro Retail +2 more |
Categories covered | 24 | 11 |
Regions | North America, Europe | North America, Europe, APAC, LatAm, Middle East, Africa |
| Data & capabilities | ||
Data quality | 3 signals: Latency: 15-min Delayed and End of Day, Granularity: EOD and Minute +1 more | Granularity: EOD |
Data partners | — | 3 partners: Sharadar, EOD Historical Data +1 more |
Capabilities | Custom formulas and Universe builder | Universe builder |
| Try it | Visit ChartMill | Visit Uncle Stock |
Where each one shines
What ChartMill and Uncle Stock each do best.ShowHide
Where each one shines
What ChartMill and Uncle Stock 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 Uncle Stock does best
- The screener covers more than 100,000 stocks and about 4,000 searchable financial and valuation metrics.
- More than 15 valuation models include DCF, Graham, earnings power value, and residual income methods.
- Screens support metric conditions, Must, Should, and Exclude clauses, geography, industry, and multiple sort fields.
- Silver backtests screens with yearly rebalancing.
- Backtest settings include sector caps, sell rules, stop losses, rebalancing choices, and position-sizing methods.
Every detail we compared
Every tracked attribute for ChartMill and Uncle Stock, side by side.ShowHide
Every detail we compared
Every tracked attribute for ChartMill and Uncle Stock, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFs | StocksCryptos |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Retail TradersPro RetailDay TradersSwing TradersLong-term InvestorsGrowth InvestorsValue InvestorsDividend Investors | Retail TradersPro RetailLong-term InvestorsValue Investors |
Regions | North AmericaEurope | North AmericaEuropeAPACLatAmMiddle EastAfrica |
Coverage details | 17 countries9 exchangesIdentifiers: Ticker and ISIN | Identifiers: Ticker |
| Data | ||
Data freshness | 15-min DelayedEnd of Day | Not specified |
Data granularity | EODMinute | EOD |
Data partners | Not specified | SharadarEOD Historical DataFinancial Modeling Prep |
| Access & integrations | ||
API protocols | Not specified | REST |
API auth & delivery | Not specified | Auth: APIKeyDocs |
Import methods | Not specified | Manual |
Export formats | CSV | CSV |
| Plans & trust | ||
Capability signals | Custom formulasUniverse builder | Universe builder |
Vendor & support | ChartMill | Castlefish BVCountry: BelgiumSupport: Chat, Email, Phone, and Forum |
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 |
| Entry paid plan | $34.97/mo“Monthly Subscription” | $130/yr≈ $10.83/mo“Bronze (Yearly)”history years: 25 · us history years: 35 |
| Tier 2 | $299.97/yr“Annual Subscription + Free Course” | $210/yr≈ $17.50/mo“Silver (Yearly)”backtest rebalance: Yearly |
| Tier 3 | — | $20/mo“Bronze (Monthly)”history years: 25 · us history years: 35 |
| Tier 4 | — | $350/yr≈ $29.17/mo“Gold (Yearly)”api calls per month: 300 · backtest rebalance: Quarterly/Half-yearly |
| Tier 5 | — | $35/mo“Silver (Monthly)”backtest rebalance: Yearly |
| Top plan | — | $60/mo“Gold (Monthly)”api calls per month: 300 · backtest rebalance: Quarterly/Half-yearly |
| Free trial | — | 14 days |
Questions we keep getting
What's the difference between ChartMill and Uncle Stock?
ChartMill leans toward screeners, stock ideas, and stock comparison, while Uncle Stock puts more weight on screeners, backtesting, and data visualizations. They overlap in 9 categories, so for most people it comes down to workflow preference and price.
How much do ChartMill and Uncle Stock cost?
Good news: both ChartMill and Uncle Stock have free plans, so you can run them side by side and only pay if you hit a wall.
Does ChartMill or Uncle Stock have an API?
Uncle Stock has an API for programmatic access and custom integrations. ChartMill doesn't, so you're working through its interface.
Should I choose ChartMill or Uncle Stock?
It depends on what you're after. Pick ChartMill if stock ideas and stock comparison matter to you; go with Uncle Stock if you'd rather have portfolio and APIs & data feeds. And if you only need the basics both share, let price decide.
What asset classes do ChartMill and Uncle Stock cover?
Both cover stocks. ChartMill also handles ETFs. Uncle Stock adds cryptos on top.
Can I export data from ChartMill and Uncle Stock?
Yes, both export to spreadsheets (CSV), which is handy if you like running your own numbers.
Is ChartMill or Uncle Stock better for day trading?
ChartMill is the one positioned more for active traders. Uncle Stock 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 Uncle Stock?
Both ChartMill and Uncle Stock include stock screeners, and they differ more in interface than raw power; try both and see which one clicks for you.
Can I track my portfolio with ChartMill or Uncle Stock?
Uncle Stock handles portfolio tracking. ChartMill 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.