VOL. XCIV, NO. 247
BEST INVESTING TOOLS COMPARISON
Source check: Uncle Stock checked August 23, 2026
Tool Comparison
QuickFS vs Uncle Stock
Pick QuickFS instead if
QuickFS
Contact for pricing · Web
- You want sheets / excel add-ins.
Start here
Uncle Stock
Free • From $130/yr · Web · API
- You'd rather start free and only pay if you outgrow it
- You want an API so you can script or automate things
- You want screeners, backtesting, and valuation models.
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
QuickFS and Uncle Stock cover a lot of the same ground (3 shared categories, financials, data visualizations, and APIs & data feeds), so for the basics you won't go far wrong with either. Uncle Stock simply does more: 11 categories to QuickFS's 4, including screeners, backtesting, and valuation models. QuickFS counters by keeping things simpler.
What readers say
QuickFS
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Uncle Stock
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Key differences at a glance
- Free plan
- Uncle Stock
- Free trial
- Uncle Stock14 days
- Broader coverage
- Uncle Stock11 vs 4 categories
- API access
- Uncle Stock
- Asset coverage
- Uncle StockAdds cryptos
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 | Contact for pricing | Free • From $130/yr |
Free tier | No | 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 | No | No |
API access | No | Yes |
Broker sync | — | No |
Integrations | FastFS.org successor referral and Microsoft AppSource legacy Excel listing | — |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | — | Retail Traders, Pro Retail +2 more |
Categories covered | 4 | 11 |
Regions | North America, Europe, APAC | North America, Europe, APAC, LatAm, Middle East, Africa |
| Data & capabilities | ||
Data quality | Latency: End of Day and Granularity: EOD | Granularity: EOD |
Data partners | — | 3 partners: Sharadar, EOD Historical Data +1 more |
Capabilities | — | Universe builder |
| Try it | Visit QuickFS | Visit Uncle Stock |
Where each one shines
What QuickFS and Uncle Stock each do best.ShowHide
Where each one shines
What QuickFS and Uncle Stock each do best.What QuickFS does best
- Official homepage says QuickFS will not relaunch and that the founder introduced FastFS.org to a data vendor that could support a successor with major QuickFS-like features.
- Legacy product offered 20-year history for 200+ standardized metrics and statements across 40,000+ international stocks.
- Legacy Excel add-in used =QFS("ticker","metric","period") to pull data directly into models; Microsoft AppSource listings may still exist but require a QuickFS account and should not be treated as an active standalone service.
- Legacy API and exports covered fundamentals, market data, company metadata, CSV/Excel exports, and bulk downloads; current official homepage does not advertise active API access.
- Ticker format with country suffix (e.g., AAPL:US) and global coverage across U.S., Canada, Europe, Australia, and more were legacy capabilities.
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 QuickFS and Uncle Stock, side by side.ShowHide
Every detail we compared
Every tracked attribute for QuickFS and Uncle Stock, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | Stocks | StocksCryptos |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Not specified | Retail TradersPro RetailLong-term InvestorsValue Investors |
Regions | North AmericaEuropeAPAC | North AmericaEuropeAPACLatAmMiddle EastAfrica |
Coverage details | 4 countriesIdentifiers: Ticker | Identifiers: Ticker |
| Data | ||
Data freshness | End of Day | Not specified |
Data granularity | EOD | 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 |
Integrations | FastFS.org successor referralMicrosoft AppSource legacy Excel listing | Not specified |
Export formats | Not specified | CSV |
| Plans & trust | ||
Capability signals | Not specified | Universe builder |
Vendor & support | QuickFS.net, LLCSupport: Email | Castlefish BVCountry: BelgiumSupport: Chat, Email, Phone, and Forum |
Curation ratings | Methodology 3/5Reliability 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 |
| Entry paid plan | — | $130/yr≈ $10.83/mo“Bronze (Yearly)”history years: 25 · us history years: 35 |
| Tier 2 | — | $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 |
| Custom / enterprise | Contact sales“Closed / not relaunched” | — |
| Free trial | — | 14 days |
Questions we keep getting
What's the difference between QuickFS and Uncle Stock?
QuickFS leans toward financials, data visualizations, and APIs & data feeds, while Uncle Stock puts more weight on screeners, backtesting, and data visualizations. They overlap in 3 categories, so for most people it comes down to workflow preference and price.
Is QuickFS or Uncle Stock free to use?
Uncle Stock has a free tier, so you can get started without paying anything. QuickFS is paid-only. If budget matters, start with Uncle Stock and see how far it takes you before opening your wallet.
Does QuickFS or Uncle Stock have an API?
Uncle Stock has an API for programmatic access and custom integrations. QuickFS doesn't, so you're working through its interface.
Should I choose QuickFS or Uncle Stock?
It depends on what you're after. Pick QuickFS if sheets / excel add-ins matter to you; go with Uncle Stock if you'd rather have screeners and backtesting. And if you only need the basics both share, let price decide.
What asset classes do QuickFS and Uncle Stock cover?
Both cover stocks. Uncle Stock adds cryptos on top.
Can I export data from QuickFS and Uncle Stock?
Uncle Stock exports to CSV. QuickFS is stingier about getting data out.
Which has a better stock screener: QuickFS or Uncle Stock?
Uncle Stock has a stock screener for surfacing ideas; QuickFS doesn't, and focuses its energy elsewhere.
Can I track my portfolio with QuickFS or Uncle Stock?
Uncle Stock handles portfolio tracking. QuickFS 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.