★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Tool details checked August 4, 2026
Tool Comparison
Danelfin vs Uncle Stock
Pick Danelfin instead if
Danelfin
Free • From €264/yr · Web · API
- You care about stock ideas and ETF analysis, things Uncle Stock doesn't offer
Start here
Uncle Stock
Free • From $130/yr · Web · API
- You want the cheaper way in: plans start at $10.83/mo instead of $22/mo
- You care about backtesting, data visualizations, and financials, things Danelfin 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
Danelfin and Uncle Stock cover a lot of the same ground (6 shared categories, including screeners, portfolio, and watchlist), so for the basics you won't go far wrong with either. Uncle Stock simply does more: 11 categories to Danelfin's 8, including backtesting, data visualizations, and financials. Danelfin counters by keeping things simpler.
What readers say
Danelfin
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Uncle Stock
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Key differences at a glance
- Cheaper paid plan
- Uncle Stock$10.83/mo vs $22/mo
- Broader coverage
- Uncle Stock11 vs 8 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 • From €264/yr | Free • From $130/yr |
Free tier | Yes | Yes |
Free trial | 14 days | 14 days |
Plan limits | 12 limits: Plus (Web Annual): portfolios: 3 portfolios, 20 stocks/ETFs per portfolio, Pro (Web Annual): portfolios: 10 portfolios, 50 stocks/ETFs per portfolio +10 more | 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 | Yes | Yes |
Broker sync | No | No |
Integrations | MCP Server | — |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | — | Retail Traders, Pro Retail +2 more |
Categories covered | 8 | 11 |
Regions | North America, Europe | North America, Europe, APAC, LatAm, Middle East, Africa |
| Data & capabilities | ||
Data quality | Latency: End of Day and Granularity: EOD | Granularity: EOD |
Data partners | — | Sharadar and Financial Modeling Prep |
Capabilities | Universe builder | Universe builder |
| Try it | Visit Danelfin | Visit Uncle Stock |
Where each one shines
What Danelfin and Uncle Stock each do best.ShowHide
Where each one shines
What Danelfin and Uncle Stock each do best.What Danelfin does best
- Rank U.S.-listed stocks, ETFs, and major European stocks with Danelfin AI Scores designed to estimate three-month market-outperformance probability.
- Screening for ideas by asset type, ticker, sector, industry, AI Score, buy or sell signals, trade ideas, and other plan-gated ranking filters.
- Views for reviewing stock and ETF pages with AI Score context, historical score behavior, rankings, ratings, and supporting technical, fundamental, and sentiment inputs.
- Curated top lists, thematic lists, sector views, industry views, and the daily Top 10 stocks newsletter for structured idea discovery.
- Monitoring portfolios with score-upgrade and score-downgrade alerts, with portfolio count and holding limits increasing by plan.
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 Danelfin and Uncle Stock, side by side.ShowHide
Every detail we compared
Every tracked attribute for Danelfin and Uncle Stock, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFs | StocksCryptos |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Not specified | Retail TradersPro RetailLong-term InvestorsValue Investors |
Regions | North AmericaEurope | North AmericaEuropeAPACLatAmMiddle EastAfrica |
Coverage details | Identifiers: Ticker | Identifiers: Ticker |
| Data | ||
Data freshness | End of Day | Not specified |
Data granularity | EOD | EOD |
Data partners | Not specified | SharadarFinancial Modeling Prep |
| Access & integrations | ||
API protocols | REST | REST |
API auth & delivery | Auth: APIKey | Auth: APIKeyDocs |
Import methods | Manual | Manual |
Integrations | MCP Server | Not specified |
Export formats | CSVJSON | CSV |
| Plans & trust | ||
Capability signals | Universe builder | Universe builder |
Vendor & support | Danelfin Technologies, S.L.Country: SpainSupport: Email | Castlefish BVCountry: BelgiumSupport: Chat, Email, Phone, and Forum |
Curation ratings | Methodology 4/5Reliability 4/5UX 4/5 | Not specified |
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 (Web)” | Free |
| Entry paid plan | €264/yr≈ $22/mo“Plus (Web Annual)”portfolios: 3 portfolios, 20 stocks/ETFs per portfolio | $130/yr≈ $10.83/mo“Bronze (Yearly)”history years: 25 · us history years: 35 |
| Tier 2 | $624/yr≈ $52/mo“API Basic (Annual)”calls: 2,500/month · rate limit: 60/minute | $210/yr≈ $17.50/mo“Silver (Yearly)”backtest rebalance: Yearly |
| Tier 3 | €708/yr≈ $59/mo“Pro (Web Annual)”portfolios: 10 portfolios, 50 stocks/ETFs per portfolio | $20/mo“Bronze (Monthly)”history years: 25 · us history years: 35 |
| Tier 4 | €1608/yr≈ $134/mo“Elite (Web Annual)”api: API Expert included · portfolios: Unlimited | $350/yr≈ $29.17/mo“Gold (Yearly)”api calls per month: 300 · backtest rebalance: Quarterly/Half-yearly |
| Tier 5 | $1788/yr≈ $149/mo“API Expert (Annual)”calls: 10,000/month · rate limit: 120/minute | $35/mo“Silver (Monthly)”backtest rebalance: Yearly |
| Top plan | $5388/yr≈ $449/mo“API Max (Annual)”calls: 50,000/month · rate limit: 180/minute | $60/mo“Gold (Monthly)”api calls per month: 300 · backtest rebalance: Quarterly/Half-yearly |
| Free trial | 14 days | 14 days |
Questions we keep getting
What's the difference between Danelfin and Uncle Stock?
Danelfin leans toward stock ideas, screeners, and portfolio, while Uncle Stock puts more weight on screeners, backtesting, and data visualizations. They overlap in 6 categories, so for most people it comes down to workflow preference and price.
How much do Danelfin and Uncle Stock cost?
Good news: both Danelfin and Uncle Stock have free plans, so you can run them side by side and only pay if you hit a wall.
Do Danelfin and Uncle Stock have APIs?
Yes, both offer API access, so developers and quants can pull data programmatically or wire up their own integrations.
Should I choose Danelfin or Uncle Stock?
It depends on what you're after. Pick Danelfin if stock ideas and ETF analysis matter to you; go with Uncle Stock if you'd rather have backtesting and data visualizations. And if you only need the basics both share, let price decide.
What asset classes do Danelfin and Uncle Stock cover?
Both cover stocks. Danelfin also handles ETFs. Uncle Stock adds cryptos on top.
Can I export data from Danelfin and Uncle Stock?
Yes, both export to spreadsheets (CSV), which is handy if you like running your own numbers.
Which has a better stock screener: Danelfin or Uncle Stock?
Both Danelfin 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 Danelfin or Uncle Stock?
Yes, both do portfolio tracking: holdings, performance, and allocation in one place.
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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.