★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Tool details checked August 23, 2026
Tool Comparison
GuruFocus vs Testfol.io
Start here
GuruFocus
Free • From $549/yr · Web · Mobile · API
- You do a lot of your research from your phone
- You want an API so you can script or automate things
- You care about stock ideas, screeners, and ETF screeners, things Testfol.io doesn't offer
Pick Testfol.io instead if
Testfol.io
Free • From $15/mo · Web
- You want the cheaper way in: plans start at $15/mo instead of $45.75/mo
- You care about risk metrics and compounding calculator, things GuruFocus doesn't offer
Skip both if: Neither one clicks with how you research; there are strong third options.
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Our take
The bottom line
GuruFocus and Testfol.io cover a lot of the same ground (3 shared categories, quant, backtesting, and correlation), so for the basics you won't go far wrong with either. GuruFocus simply does more: 49 categories to Testfol.io's 5, including stock ideas, screeners, and ETF screeners, plus a mobile app. Testfol.io counters by starting cheaper at $15/mo.
What readers say
GuruFocus
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Testfol.io
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Key differences at a glance
- Cheaper paid plan
- Testfol.io$15/mo vs $45.75/mo
- Broader coverage
- GuruFocus49 vs 5 categories
- Mobile app
- GuruFocus
- API access
- GuruFocus
- Asset coverage
- GuruFocusAdds bonds and options
- Beginner friendly
- GuruFocus
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 $549/yr | Free • From $15/mo |
Free tier | Yes | Yes |
Free trial | 7 days | 1 days |
Plan limits | 49 limits: Free: portfolio limit: Up to 3 portfolios with 25 stocks each for free members, Free: data api requests: 100/month included in the Free API package +47 more | 5 limits: Free (Anonymous): note: Some tools (e.g., Signal Analyzer) require sign-in., Pro: annual price usd: 150 +3 more |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | Yes | No |
API access | Yes | No |
Broker sync | Yes | — |
Integrations | GuruFocus Data API, GuruFocus MCP Server +3 more | — |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Intermediate, Advanced |
Best for | Retail Traders, Pro Retail +9 more | Retail Traders, Pro Retail +2 more |
Categories covered | 49 | 5 |
Regions | North America, Europe, APAC, LatAm, Middle East, Africa | — |
| Data & capabilities | ||
Data quality | 5 signals: Latency: End of Day, Granularity: EOD +3 more | Latency: End of Day and Granularity: EOD |
Data partners | 5 partners: QuoteMedia, Morningstar +3 more | FRED |
Capabilities | 9 signals: Custom formulas, Ranking backtests +7 more | Rebalancing and Correlation |
Security | Status page and Encryption in transit | — |
| Try it | Visit GuruFocus | Visit Testfol.io |
Where each one shines
What GuruFocus and Testfol.io each do best.ShowHide
Where each one shines
What GuruFocus and Testfol.io each do best.What GuruFocus does best
- Research coverage for global stocks with long historical financials, valuation data, charts, comparisons, market valuation indicators, economic indicators, industry data, and company-level fundamentals.
- The All-in-One Screener with hundreds of filters across fundamentals, valuation, profitability, growth, dividends, guru holdings, insider trades, predefined value screens, custom filters, saved screens, and downloads.
- ETF Screener and ETF GF Scores for filtering and comparing more than 5,000 U.S.
- Corporate and government bond screening by yield, maturity, ratings, coupon structure, outstanding amount, issuer, and industry, plus company-level bond tabs.
- Backtest screener strategies across many countries with configurable stock count, ranking metric, sort order, date range, and rebalance frequency; current membership terms give Premium the latest five years and Premium Plus/Professional history back to 2006.
What Testfol.io does best
- Tools for building multi-asset portfolio backtests using ETFs, mutual funds, stocks, cashflow legs, and rebalancing controls such as rebalance bands.
- Review performance and risk statistics such as cumulative return, CAGR, money-weighted return, max drawdown, volatility, Sharpe, Sortino, and beta.
- Asset Analyzer for historical performance analysis and daily-return correlations.
- Testing tools for tactical allocation rules that swap between allocations using documented indicators, trading frequency, offsets, cashflows, benchmarks, and current-status views.
- Portfolio Optimizer searches for asset allocation and use choices based on user-provided inputs.
Every detail we compared
Every tracked attribute for GuruFocus and Testfol.io, side by side.ShowHide
Every detail we compared
Every tracked attribute for GuruFocus and Testfol.io, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFsBondsMutual FundsOptionsFundsOther | StocksETFsMutual Funds |
Experience | BeginnerIntermediateAdvanced | IntermediateAdvanced |
Target audience | Retail TradersPro RetailLong-term InvestorsValue InvestorsQuality InvestorsDividend InvestorsAnalystsQuants/Developers+3 more | Retail TradersPro RetailLong-term InvestorsQuants/Developers |
Regions | North AmericaEuropeAPACLatAmMiddle EastAfrica | Not specified |
Coverage details | Identifiers: Ticker and CIK | Identifiers: Ticker |
| Data | ||
Data freshness | End of Day | End of Day |
Data granularity | EOD | EOD |
Pricing sources | ExchangeVendorModel | Not specified |
Data partners | QuoteMediaMorningstarRefinitivFREDSEC / local regulators | FRED |
| Access & integrations | ||
API protocols | REST | Not specified |
API auth & delivery | Auth: APIKeySDKs: Python and GoDocs | Not specified |
Import methods | CSVBrokerOAuthManual | Not specified |
Integrations | GuruFocus Data APIGuruFocus MCP ServerGuruFocus Excel Add-inGuruFocus Google Sheets Add-onSnapTrade | Not specified |
Export formats | CSVExcelJSON | CSV |
| Plans & trust | ||
Security & compliance | Status pageEncryption in transit | Not specified |
Capability signals | Custom formulasRanking backtestsUniverse builderFactors: Value, Quality, Momentum, and GrowthBroker syncMulti-currencyYield curvesCredit ratings+1 more | RebalancingCorrelation |
Vendor & support | GuruFocus.com, LLCCountry: United StatesFounded 2004Support: Email, Chat, Phone, and Forum | Support: Email |
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 | Freeportfolio limit: Up to 3 portfolios with 25 stocks each for free members · data api requests: 100/month included in the Free API package · +1 more | Free“Free (Anonymous)”note: Some tools (e.g., Signal Analyzer) require sign-in. |
| Entry paid plan | $549/yr≈ $45.75/mo“Premium”billing: Annual only · data api requests: 200/month included with Premium membership · +2 more | $15/mo“Pro”annual price usd: 150 · annual monthly equivalent usd: 12.5 |
| Tier 2 | $1398/yr≈ $116.50/mo“Premium Plus”billing: Annual only · data api requests: 500/month included with Premium Plus membership · +2 more | $30/mo“Pro+”annual price usd: 300 · annual monthly equivalent usd: 25 |
| Tier 3 | $200/mo“Data API Builder”billing: Billed annually · monthly request limit: No limit · +12 more | — |
| Tier 4 | $2448/yr≈ $204/mo“Professional”billing: Annual only · data api requests: 2,000/month included with Professional membership | — |
| Tier 5 | $2000/mo“Data API Commercial”billing: Billed annually · monthly request limit: No limit · +1 more | — |
| Top plan | $100 per unit“Data API Pay As You Go”initial top up: $100 credit · stock daily prices: $0.05/request · +16 more | — |
| Custom / enterprise | Contact sales“Custom API / Enterprise Package” | — |
| Free trial | 7 days | 1 days |
Questions we keep getting
What's the difference between GuruFocus and Testfol.io?
GuruFocus leans toward stock ideas, screeners, and ETF screeners, while Testfol.io puts more weight on backtesting, correlation, and risk metrics. They overlap in 3 categories, so for most people it comes down to workflow preference and price.
How much do GuruFocus and Testfol.io cost?
Good news: both GuruFocus and Testfol.io have free plans, so you can run them side by side and only pay if you hit a wall.
Which is better for beginners: GuruFocus or Testfol.io?
GuruFocus is the friendlier place to start; its interface takes less getting used to. Both work fine once you're past the basics.
Can I use GuruFocus or Testfol.io on my phone?
GuruFocus lists a dedicated mobile app, so it travels better. Testfol.io doesn't list a dedicated mobile app; its documented access is web.
Does GuruFocus or Testfol.io have an API?
GuruFocus has an API for programmatic access and custom integrations. Testfol.io doesn't, so you're working through its interface.
Should I choose GuruFocus or Testfol.io?
It depends on what you're after. Pick GuruFocus if stock ideas and screeners matter to you; go with Testfol.io if you'd rather have risk metrics and compounding calculator. And if you only need the basics both share, let price decide.
What asset classes do GuruFocus and Testfol.io cover?
Both cover stocks, ETFs, and mutual funds. GuruFocus also handles bonds, options, and funds.
Can I export data from GuruFocus and Testfol.io?
Yes, both export to spreadsheets (CSV), which is handy if you like running your own numbers.
Are GuruFocus and Testfol.io good for long-term investing?
Yes, both are aimed squarely at long-term investors. Compare their coverage, workflow, and price before assuming they solve the same long-term research job.
Which has a better stock screener: GuruFocus or Testfol.io?
GuruFocus has a stock screener for surfacing ideas; Testfol.io doesn't, and focuses its energy elsewhere.
Can I track my portfolio with GuruFocus or Testfol.io?
GuruFocus handles portfolio tracking. Testfol.io is really a research tool; you'd track your portfolio elsewhere.
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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.