BEST INVESTING TOOLS COMPARISON

Checking

Checked September 24, 2026

Tool Comparison

FullRatio vs Portfolio123

Paid from
—
Free plan
Yes
Platforms
Web

Best if

  • You want stock comparison, dividends, and checklist.
Paid from
$25/mo
Free plan
Yes
Platforms
Web, API, Desktop

Best if

  • Delayed quotes won't cut it; you need real-time data
  • You want an API so you can script or automate things
  • You want quant, stock ideas, and scores.

Pick FullRatio if

FullRatio logo

FullRatio

fullratio.com

Free • Paid plans available · Web

  • You want stock comparison, dividends, and checklist.

Pick Portfolio123 if

Portfolio123 logo

Portfolio123

portfolio123.comTested

Free • From $300/yr · Web · API · Desktop

  • Delayed quotes won't cut it; you need real-time data
  • You want an API so you can script or automate things
  • You want quant, stock ideas, and scores.

Skip both if: Neither one clicks with how you research; there are strong third options.

See alternatives

Outbound links may include affiliate or sponsor codes.

Not set on either one? See the top 50 tools, ranked by user votes, or the deals page for big discounts on popular tools.

Our take

The bottom line

FullRatio and Portfolio123 cover a lot of the same ground (6 shared categories, including screeners, data visualizations, and financials), so for the basics you won't go far wrong with either. Portfolio123 simply does more: 19 categories to FullRatio's 10, including quant, stock ideas, and scores. FullRatio counters by being completely free.

What readers say

FullRatio

No votes yet. Cast the first one.

Portfolio123

No votes yet. Cast the first one.

Key differences at a glance

Real-time data
Portfolio123
Broader coverage
Portfolio12319 vs 10 categories
Desktop app
Portfolio123
API access
Portfolio123
Broker sync
Portfolio123
Global coverage
Portfolio123
See the full side-by-side table
FullRatio logo

What FullRatio does best

  1. The screener filters stocks by company details, price performance, valuation, dividends, financial statements, liquidity, margins, returns, growth, and scores.
  2. Company profiles combine delayed prices with TTM and historical financial data, valuation, scores, dividends, and balance-sheet analysis.
  3. Data Comparison and Bubble Chart views compare several stocks across selected measures.
  4. Price versus Fair Value charts compare market prices with configurable valuation bands.
  5. Industry pages provide context for valuation, liquidity, leverage, and return measures.
Portfolio123 logo

What Portfolio123 does best

  1. Build multifactor ranking systems, stock screens, ETF screens, and rules-based strategies.
  2. Run simulations with custom universes, buy and sell rules, position sizing, hedging, rebalancing, slippage, and commissions.
  3. Point-in-time data designed to avoid survivorship and look-ahead bias, with fundamentals, estimates, corporate actions, sector and industry classifications, and historical issues.
  4. Create ranking systems from fundamental, technical, sentiment, and macro factors, including public factor documentation and FRED-linked economic series.
  5. AI Factor to train machine-learning predictors for expected returns and feed those predictions into rankings, simulations, and asset-level analysis.

Side by side

Pricing & plans
Starting price
Free • Paid plans available
Free • From $300/yr
Free tier
Yes
Yes
Free trial
—
—
Platforms & access
Web app
Yes
Yes
Desktop app
No
Yes
Mobile app
No
No
API access
No
Yes
Broker sync
No
Yes
Integrations
—
Interactive Brokers and Tradier
Coverage & data
Asset types
Stocks
StocksETFsClosed-End Funds
Target audience
Not specified
Retail TradersPro RetailInstitutional InvestorsAnalystsQuants/DevelopersFinancial AdvisorsStudents/Researchers
Data freshness
Not specified
Real-timeEnd of Day
Data granularity
EOD
EOD
Export formats
CSV
CSVJSON

Pricing comparison

Tier
FullRatioCheaper start
Free plan
Free
Free“Manage (Free)”
Entry paid plan
Subscription“Premium”
$300/yr≈ $25/mo“Screener (Annual)”
Tier 2
—
$35/mo“Screener (Monthly)”
Tier 3
—
$1000/yr≈ $83.33/mo“Backtest (Annual)”
Tier 4
—
$116/mo“Backtest (Monthly)”
Tier 5
—
$1500/yr≈ $125/mo“Portfolio (Annual)”
Tier 6
—
$174/mo“Portfolio (Monthly)”
Tier 7
—
$2400/yr≈ $200/mo“Ultimate (Annual)”
Top plan
—
$278/mo“Ultimate (Monthly)”
Custom / enterprise
—
Contact sales“Professional / API & Data Licenses”

See for yourself

Side by side

Price, platforms, data, and market coverage.
Show
Side-by-side comparison of FullRatio and Portfolio123
Attribute
FullRatio logo
FullRatio
Portfolio123 logo
Portfolio123
Pricing & plans
Starting price
Free • Paid plans availableFree • From $300/yr
Free tier
YesYes
Free trial
——
Plan limits
—25 limits: Free Screener & Backtesting Access: duration days: 30, Screener (Annual): backtest history years: 5 +23 more
Platforms & access
Web app
YesYes
Desktop app
NoYes
Mobile app
NoNo
API access
NoYes
Broker sync
NoYes
Integrations
—Interactive Brokers and Tradier
Audience & fit
Experience level
Beginner, IntermediateBeginner, Intermediate, Advanced
Best for
—Retail Traders, Pro Retail +5 more
Categories covered
1019
Regions
North AmericaNorth America, Europe
Data & capabilities
Data quality
Granularity: EOD and Corporate actions: Current5 signals: Latency: Real-time and End of Day, Granularity: EOD +3 more
Data partners
—4 partners: FactSet, S&P Global Market Intelligence +2 more
Capabilities
—6 signals: Custom formulas, Ranking backtests +4 more
Try itVisit FullRatioVisit Portfolio123

Standout features

The best features of FullRatio and Portfolio123.
Show
FullRatio logo

What FullRatio does best

  1. The screener filters stocks by company details, price performance, valuation, dividends, financial statements, liquidity, margins, returns, growth, and scores.
  2. Company profiles combine delayed prices with TTM and historical financial data, valuation, scores, dividends, and balance-sheet analysis.
  3. Data Comparison and Bubble Chart views compare several stocks across selected measures.
  4. Price versus Fair Value charts compare market prices with configurable valuation bands.
  5. Industry pages provide context for valuation, liquidity, leverage, and return measures.
Portfolio123 logo

What Portfolio123 does best

  1. Build multifactor ranking systems, stock screens, ETF screens, and rules-based strategies.
  2. Run simulations with custom universes, buy and sell rules, position sizing, hedging, rebalancing, slippage, and commissions.
  3. Point-in-time data designed to avoid survivorship and look-ahead bias, with fundamentals, estimates, corporate actions, sector and industry classifications, and historical issues.
  4. Create ranking systems from fundamental, technical, sentiment, and macro factors, including public factor documentation and FRED-linked economic series.
  5. AI Factor to train machine-learning predictors for expected returns and feed those predictions into rankings, simulations, and asset-level analysis.

All details

Every attribute we track for FullRatio and Portfolio123.
Show
Attribute
FullRatio logo
FullRatio
Portfolio123 logo
Portfolio123
Coverage & fit
Asset types
Stocks
StocksETFsClosed-End Funds
Experience
BeginnerIntermediate
BeginnerIntermediateAdvanced
Target audience
Not specified
Retail TradersPro RetailInstitutional InvestorsAnalystsQuants/DevelopersFinancial AdvisorsStudents/Researchers
Regions
North America
North AmericaEurope
Coverage details
Countries: USExchanges: XNAS, XNYS, and XASEIdentifiers: Ticker
Countries: US and CAIdentifiers: Ticker
Data
Data freshness
Not specified
Real-timeEnd of Day
Data granularity
EOD
EOD
Data partners
Not specified
FactSetS&P Global Market IntelligenceICE Data ServicesFRED
Access & integrations
API protocols
Not specified
REST
API auth & delivery
Not specified
Auth: APIKeyDocs
Import methods
Not specified
BrokerOAuthCSV
Integrations
Not specified
Interactive BrokersTradier
Export formats
CSV
CSVJSON
Plans & trust
Capability signals
Not specified
Custom formulasRanking backtestsUniverse builderBroker syncRebalancingCorrelation
Vendor & support
FullRatioSupport: Email
Portfolio123Support: Forum
Curation ratings
Methodology 3/5Reliability 3/5UX 4/5
Not specified

Green tags are exclusive to that tool in this comparison.

Pricing

Plans, billing, free trials, and monthly prices.
Show
Plan-by-plan pricing comparison of FullRatio and Portfolio123
Tier
FullRatio logo
FullRatioCheaper start
Portfolio123 logo
Portfolio123
Free plan
Free
Free“Manage (Free)”
Entry paid plan
Subscription“Premium”
$300/yr≈ $25/mo“Screener (Annual)”backtest history years: 5 · resource units: 400 · +1 more
Tier 2—
$35/mo“Screener (Monthly)”backtest history years: 5 · resource units: 400 · +1 more
Tier 3—
$1000/yr≈ $83.33/mo“Backtest (Annual)”backtest history years: 10 · resource units: 1,000 · +1 more
Tier 4—
$116/mo“Backtest (Monthly)”backtest history years: 10 · resource units: 1,000 · +1 more
Tier 5—
$1500/yr≈ $125/mo“Portfolio (Annual)”backtest history years: 15 · resource units: 5,000 · +1 more
Tier 6—
$174/mo“Portfolio (Monthly)”backtest history years: 15 · resource units: 5,000 · +1 more
Tier 7—
$2400/yr≈ $200/mo“Ultimate (Annual)”backtest history years: 20 · resource units: 10,000 · +1 more
Top plan—
$278/mo“Ultimate (Monthly)”backtest history years: 20 · resource units: 10,000 · +1 more
Custom / enterprise—
Contact sales“Professional / API & Data Licenses”

Questions we keep getting

What's the difference between FullRatio and Portfolio123?

FullRatio leans toward screeners, data visualizations, and stock comparison, while Portfolio123 puts more weight on screeners, data visualizations, and quant. They overlap in 6 categories, so for most people it comes down to workflow preference and price.

How much do FullRatio and Portfolio123 cost?

Good news: both FullRatio and Portfolio123 have free plans, so you can run them side by side and only pay if you hit a wall.

Which is better for beginners: FullRatio or Portfolio123?

Honestly, neither is aimed at beginners. Expect a learning curve either way; that's the trade-off for the depth they offer.

Does FullRatio or Portfolio123 have an API?

Portfolio123 has an API for programmatic access and custom integrations. FullRatio doesn't, so you're working through its interface.

Should I choose FullRatio or Portfolio123?

It depends on what you're after. Pick FullRatio if stock comparison and dividends matter to you; go with Portfolio123 if you'd rather have quant and stock ideas. And if you only need the basics both share, let price decide.

What asset classes do FullRatio and Portfolio123 cover?

Both cover stocks. Portfolio123 adds ETFs and closed-end funds on top.

Does FullRatio or Portfolio123 have real-time data?

Portfolio123 offers real-time data, which matters if you trade actively. FullRatio 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.

Which covers international markets: FullRatio or Portfolio123?

Portfolio123 has documented international coverage (North America and Europe), so it's the safer bet if you hold non-US stocks. FullRatio is more region-specific, mainly North America.

Can I export data from FullRatio and Portfolio123?

Yes, both export to spreadsheets (CSV), which is handy if you like running your own numbers.

Can FullRatio or Portfolio123 connect to my broker?

Portfolio123 syncs with brokers automatically. With FullRatio, you're entering holdings by hand or importing files.

Which has a better stock screener: FullRatio or Portfolio123?

Both FullRatio and Portfolio123 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 FullRatio or Portfolio123?

Portfolio123 handles portfolio tracking. FullRatio is really a research tool; you'd track your portfolio elsewhere.

Feedback

Spot stale pricing, missing features, or a comparison that feels off? Send feedback on the verdict, table, alternatives, or recommendation.

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.