★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Source check: Uncle Stock checked August 4, 2026
Tool Comparison
justETF vs Uncle Stock
Pick justETF if
justETF
Free • Paid plans available · 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 ETF screeners, ETF comparison, and ETF analysis, things Uncle Stock doesn't offer
Pick Uncle Stock if
Uncle Stock
Free • From $130/yr · Web · API
- You want an API so you can script or automate things
- You care about screeners, data visualizations, and financials, things justETF doesn't offer
- You're a long-term investor who cares more about fundamentals than headlines
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
justETF and Uncle Stock cover a lot of the same ground (4 shared categories, including portfolio, watchlist, and backtesting), so for the basics you won't go far wrong with either. The real difference is focus: only justETF gives you ETF screeners and ETF comparison, and only Uncle Stock gives you screeners and data visualizations.
What readers say
justETF
Vote once to reveal the community verdict.
Uncle Stock
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Key differences at a glance
- Real-time data
- justETF
- Free trial
- Uncle Stock14 days
- Mobile app
- justETF
- API access
- Uncle Stock
- 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 | — | 10 limits: Bronze (Monthly): history years: 25, Bronze (Monthly): us history years: 35 +8 more |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | Yes | No |
API access | No | Yes |
Broker sync | No | No |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | — | Retail Traders, Pro Retail +2 more |
Categories covered | 9 | 11 |
Regions | Europe | North America, Europe, APAC, LatAm, Middle East, Africa |
| Data & capabilities | ||
Data quality | 3 signals: Latency: Real-time, 15-min Delayed, and End of Day, Granularity: EOD +1 more | Granularity: EOD |
Data partners | — | Sharadar and Financial Modeling Prep |
Capabilities | 4 signals: Universe builder, Performance attribution +2 more | Universe builder |
| Try it | Visit justETF | Visit Uncle Stock |
Where each one shines
What justETF and Uncle Stock each do best.ShowHide
Where each one shines
What justETF and Uncle Stock each do best.What justETF does best
- Screening for European ETFs and physically backed ETCs by region, asset class, index, provider, costs, distribution policy, replication, fund size, performance, and other ETF-specific fields.
- Comparison tools for ETFs side by side using fund profiles, performance, risk metrics, holdings, listings, and exchange availability.
- Stock profile pages to see which ETFs include a company and how ETF exposure is distributed.
- Tracking a transaction-based ETF portfolio with dividend booking on ex-date and performance views over time.
- Strategy Builder for ETF savings plans, including recurring investments that can be automatically recorded.
What Uncle Stock does best
- Screening for more than 100,000 global stocks across regions and market caps using more than 2,000 fundamental and valuation metrics.
- Guru-inspired models and screens based on investors such as Buffett, Graham, and Lynch, with plan-dependent advice, scores, and price-target metrics.
- Tools for building screens with metric conditions, Must/Should/Exclude clauses, and Silver-plus multi-criteria composite ranking.
- Backtest fundamental screens with yearly rebalancing on Silver, then quarterly and half-yearly rebalancing on Gold.
- Configuration for backtests with sector caps, rebalance strategies, early-sell or stop-loss rules, and multiple position-sizing methods.
Every detail we compared
Every tracked attribute for justETF and Uncle Stock, side by side.ShowHide
Every detail we compared
Every tracked attribute for justETF and Uncle Stock, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | ETFsCommoditiesStocks | StocksCryptos |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Not specified | Retail TradersPro RetailLong-term InvestorsValue Investors |
Regions | Europe | North AmericaEuropeAPACLatAmMiddle EastAfrica |
Coverage details | Identifiers: ISIN and Ticker | Identifiers: Ticker |
| Data | ||
Data freshness | Real-time15-min DelayedEnd of Day | Not specified |
Data granularity | EOD | EOD |
Data partners | Not specified | SharadarFinancial Modeling Prep |
| Access & integrations | ||
API protocols | Not specified | REST |
API auth & delivery | Not specified | Auth: APIKeyDocs |
Import methods | Manual | Manual |
Export formats | ExcelImage | CSV |
| Plans & trust | ||
Capability signals | Universe builderPerformance attributionPortfolio attributionRebalancing | Universe builder |
Vendor & support | justETF GmbHCountry: GermanySupport: Email | 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 | Free | Free |
| Entry paid plan | Subscription“Premium 5 (€9.90/mo annual or €14.90/mo quarterly)” | $130/yr≈ $10.83/mo“Bronze (Yearly)”history years: 25 · us history years: 35 |
| Tier 2 | Subscription“Premium 25 (€19.90/mo annual or €24.90/mo quarterly)” | $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 justETF and Uncle Stock?
justETF leans toward ETF screeners, ETF comparison, and portfolio, while Uncle Stock puts more weight on screeners, backtesting, and data visualizations. They overlap in 4 categories, so for most people it comes down to workflow preference and price.
How much do justETF and Uncle Stock cost?
Good news: both justETF and Uncle Stock have free plans, so you can run them side by side and only pay if you hit a wall.
Can I use justETF or Uncle Stock on my phone?
justETF lists a dedicated mobile app, so it travels better. Uncle Stock doesn't list a dedicated mobile app; its documented access is web and API.
Does justETF or Uncle Stock have an API?
Uncle Stock has an API for programmatic access and custom integrations. justETF doesn't, so you're working through its interface.
Should I choose justETF or Uncle Stock?
It depends on what you're after. Pick justETF if ETF screeners and ETF comparison matter to you; go with Uncle Stock if you'd rather have screeners and data visualizations. And if you only need the basics both share, let price decide.
What asset classes do justETF and Uncle Stock cover?
Both cover stocks. justETF also handles ETFs and commodities. Uncle Stock adds cryptos on top.
Does justETF or Uncle Stock have real-time data?
justETF offers real-time data, which matters if you trade actively. Uncle Stock 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 justETF and Uncle Stock?
Yes, both export to spreadsheets (justETF: Excel; Uncle Stock: CSV), which is handy if you like running your own numbers.
Which has a better stock screener: justETF or Uncle Stock?
Both justETF 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 justETF or Uncle Stock?
Yes, both do portfolio tracking: holdings, performance, and allocation in one place.
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.