VOL. XCIV, NO. 247

★ BEST INVESTING TOOLS COMPARISON ★

NO ADVICE

Wednesday, February 18, 2026

Tool Comparison

Portfolio123 vs Quartr comparison

Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.

Portfolio123 logo

Portfolio123

portfolio123.com

PricingFree, Subscription
PlatformsWeb, API, Desktop
Editor's pickHands-on review
Quartr logo

Quartr

quartr.com

PricingFree, Subscription
PlatformsWeb, Mobile, API
Editor's pickHands-on review
Top 50 Investing ToolsThe global ranking of the best investing tools, ranked by community votes.

At a glance

Platforms
Portfolio123Web, API, Desktop
QuartrWeb, Mobile, API
Categories
Portfolio12320
Quartr18
Pricing details

Tool

Portfolio123

$25/mo

Starting price

Free tierYes
Free trial

Plans & pricing

Manage (Free)Free
Retail Research Plans$25/mo
Professional / API & Data LicensesContact sales
Research TrialOne-time

Tool

Quartr

Starting price

Free tierYes
Free trial

Plans & pricing

Mobile appFree
Quartr ProContact sales
Quartr APIContact sales
Category leaders
ScreenersPortfolio123
Stock IdeasPortfolio123
PortfolioPortfolio123
BacktestingPortfolio123
AlertsQuartr
Browse the #1 tool in 90+ categories

Vote sentiment comparison

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Platform details

AttributePortfolio123Quartr
Asset types
StocksETFsClosed-End Funds
Stocks
Experience
BeginnerIntermediateAdvanced
BeginnerIntermediateAdvanced
Regions
North AmericaEurope
North AmericaEuropeAPACLatAmMiddle EastAfrica
Data freshness
Real-timeEnd of Day
StreamingReal-time
API access
REST
REST
Export formats
JSON
JSONPDF

Coverage overlap

Frequently Asked Questions

What's the difference between Portfolio123 and Quartr?

Portfolio123 focuses on Screeners, Data Visualizations, and Quant while Quartr specializes in Financials, Transcripts, and Analyst Forecasts. They overlap in 6 categories, so choose based on your preferred workflow and pricing.

How much do Portfolio123 and Quartr cost?

Good news—both Portfolio123 and Quartr offer free plans. You can try each platform without commitment and only pay when you need premium features.

Can I use Portfolio123 or Quartr on my phone?

Quartr has a mobile app so you can check your research on the go. Portfolio123 is web-only, so you'll need a browser to access it from mobile devices.

Do Portfolio123 and Quartr have APIs?

Yes, both platforms offer API access for developers and quants who want to build custom integrations or automate their workflows.

Should I choose Portfolio123 or Quartr?

Choose Portfolio123 if you need Web‑based quant research terminal for building multifactor ranking systems, stock/ETF screens, and complete rules‑based strategies with no programming, powered by point‑in‑time FactSet data and marketed as free of survivorship and look‑ahead bias., and Supports realistic simulations and backtests over roughly 20 years of history for US, Canadian, and European equities, with custom universes, separate buy/sell rules, position sizing, hedging, and “Book of Strategies” to combine and analyze correlated systems.. Go with Quartr if Global coverage of investor relations material from over 13,000 public companies across 27 markets, including live and recorded earnings calls, real-time and historical transcripts, filings and reports (e.g., 10-K/10-Q), and high-resolution slide presentations that are fully searchable., and Free iOS and Android mobile app for live and recorded earnings calls, real-time searchable transcripts (including offline downloads), analyst consensus estimates, valuation multiples, and revenue segment splits, with no paywall for core qualitative research features. better fits how you invest.

What asset classes do Portfolio123 and Quartr cover?

Both cover Stocks. Portfolio123 also includes ETFs, and Closed-End Funds.

Do Portfolio123 and Quartr offer real-time data?

Yes, both platforms provide real-time market data. This makes either suitable for active trading strategies where timing matters.

Can Portfolio123 or Quartr connect to my broker?

Portfolio123 connects with brokers for portfolio syncing. Quartr requires manual portfolio entry or data import.

Which has a better stock screener—Portfolio123 or Quartr?

Portfolio123 includes a stock screener for finding investment ideas. Quartr focuses on other analytical tools.

Can I track my portfolio with Portfolio123 or Quartr?

Portfolio123 offers portfolio tracking features. Quartr is more focused on research and analysis.

Keep Exploring

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.