VOL. XCIV, NO. 247

★ BEST INVESTING TOOLS COMPARISON ★

Monday, June 8, 2026

Tool Comparison · Monday, June 8, 2026

Main Street Data vs Quartr

Main Street Data vs Quartr: which investing tool fits your workflow? Compare pricing, features, platforms, and verdict in seconds.

Quick verdict
Main Street Data logo

Main Street Data

mainstreetdata.com

Best for screeners, and data visualizations

Pricing
Free • Paid plans available
Platforms
Web
VS
Quartr logo

Quartr

Pick

quartr.com

Best for alerts, and ai

Pricing
Free
Platforms
Web, Mobile, API

Outbound links may include affiliate or sponsor codes.

Comparison snapshot

Attribute
Main Street Data
Quartr
Starting price
Free • Paid plans available
Free
Categories covered
9
18
Web app
Yes
Yes
Mobile app
No
Yes
API access
No
Yes
Regions
North America, Europe
North America, Europe, APAC, LatAm, Middle East, Africa

Who should choose which?

Choose

Main Street Data if…

  • You need visual dashboards and customizable curated charts for listed companies.
  • You need stock screener with simplified charting for fundamentals and performance.
  • You need kpi library with 1,100+ company-specific operating metrics, over 10 years of history, and updates within hours of earnings releases (with retroactive adjustments for reporting changes).
  • You need standardized financials sourced from finnhub (with financial modeling prep referenced in pricing materials). kpi data comes directly from sec filings and company reports.

Choose

Quartr if…

  • You build with APIs or automate workflows
  • You need a mobile app for on-the-go research
  • You’re a long-term or value-focused investor
  • You need real-time data, not delayed quotes

Consider alternatives if…

  • You want broader category coverage in one tool.
  • Neither pricing tier fits your budget.
See alternatives

Side-by-side feature breakdown

AttributeMain Street DataQuartr
Asset types
Stocks
Stocks
Experience
BeginnerIntermediateAdvanced
BeginnerIntermediateAdvanced
Regions
North AmericaEurope
North AmericaEuropeAPACLatAmMiddle EastAfrica
Data freshness
End of Day
StreamingReal-time
API access
Not specified
REST
Export formats
Not specified
JSONPDF

Seen enough? Open either tool and try it now.

Pricing breakdown

Pricing details

Tool

Main Street Data

$8.25/mo

Starting price

Free tierYes
Free trial7 days

Plans & pricing

FreeFree
Premium$8.25/mo

Tool

Quartr

Starting price

Free tierYes
Free trial

Plans & pricing

Mobile appFree
Quartr ProContact sales
Quartr APIContact sales

Coverage overlap

Shared categories5

Categories where both tools offer overlapping coverage.

Community category leaders

Vote sentiment comparison

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Still deciding? Get hands-on with both — most plans offer a free tier or trial.

Frequently Asked Questions

What's the difference between Main Street Data and Quartr?

Main Street Data focuses on Screeners, Data Visualizations, and Stock Comparison while Quartr specializes in Financials, Transcripts, and Analyst Forecasts. They overlap in 5 categories, so choose based on your preferred workflow and pricing.

How much do Main Street Data and Quartr cost?

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

Can I use Main Street Data or Quartr on my phone?

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

Does Main Street Data or Quartr have an API?

Quartr provides API access for programmatic data retrieval and custom integrations. Main Street Data doesn't currently offer an API, so you'll need to use their web interface.

Should I choose Main Street Data or Quartr?

Choose Main Street Data if you need Visual dashboards and customizable curated charts for listed companies., and Stock screener with simplified charting for fundamentals and performance.. 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.

Does Main Street Data or Quartr have real-time data?

Quartr offers real-time data feeds, which is essential for active traders. Main Street Data uses delayed or end-of-day data, which works fine for longer-term investors who don't need up-to-the-second quotes.

Which has a better stock screener—Main Street Data or Quartr?

Main Street Data includes a stock screener for finding investment ideas. Quartr focuses on other analytical tools.

Top 50 Investing ToolsGlobal ranking of the best investing tools, ranked by community votes.

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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.