VOL. XCIV, NO. 247
★ BEST INVESTING TOOLS COMPARISON ★
NO ADVICE
Wednesday, June 3, 2026
Tool Comparison · Wednesday, June 3, 2026
Portfolio123 vs Similarweb
Portfolio123 vs Similarweb: which investing tool fits your workflow? Compare pricing, features, platforms, and verdict in seconds.
Portfolio123
Pickportfolio123.com
Best for screeners, and quant
- Pricing
- Free • From $25/mo
- Platforms
- Web, API, Desktop
Similarweb
similarweb.com
Best for app & website traffic, and sheets / excel add-ins
- Pricing
- Free • Paid plans available
- Platforms
- Web, API
Outbound links may include affiliate or sponsor codes.
Comparison snapshot
Who should choose which?
Choose
Portfolio123 if…
- You need real-time data, not delayed quotes
- 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.
- You need 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.
- You need stock & etf coverage uses fundamentals, estimates, corporate actions, plus industry/sector classification, with “over 15,000 current us, canadian, and european stocks” and many more historical issues.
Choose
Similarweb if…
- You need website traffic and engagement analytics, including keyword research, referral sources, and a free traffic checker tool.
- You need api v5 beta available in rest and batch modes: rest delivers on-demand json responses, while batch handles large reports for data warehouses and historical research.
- You need webhook support for subscribing to daily or monthly data releases, with options to manage subscriptions directly.
- You need data exporter for no-code bulk exports, including scheduled email delivery and csv downloads.
Consider alternatives if…
- You want broader category coverage in one tool.
- Neither pricing tier fits your budget.
Side-by-side feature breakdown
| Attribute | Portfolio123 | Similarweb |
|---|---|---|
Asset types | StocksETFsClosed-End Funds | Other |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | North AmericaEurope | North AmericaEuropeAPACLatAmMiddle EastAfrica |
Data freshness | Real-timeEnd of Day | End of Day |
API access | REST | REST |
Export formats | JSON | CSVExcelJSONPDFImage |
Seen enough? Open either tool and try it now.
Pricing breakdown
Tool
Portfolio123
$9
Starting price
Plans & pricing
Tool
Similarweb
$199/mo
Starting price
Plans & pricing
Coverage overlap
Categories where both tools offer overlapping coverage.
Categories covered by Portfolio123 only.
Categories covered by Similarweb only.
Community category leaders
Vote sentiment comparison
Loading sentiment chart...
Still deciding? Get hands-on with both — most plans offer a free tier or trial.
Frequently Asked Questions
What's the difference between Portfolio123 and Similarweb?
Portfolio123 focuses on Screeners, Data Visualizations, and Quant while Similarweb specializes in App & Website Traffic, Data APIs, and APIs & SDKs. They overlap in 3 categories, so choose based on your preferred workflow and pricing.
How much do Portfolio123 and Similarweb cost?
Good news—both Portfolio123 and Similarweb offer free plans. You can try each platform without commitment and only pay when you need premium features.
Do Portfolio123 and Similarweb 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 Similarweb?
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 Similarweb if Website traffic and engagement analytics, including keyword research, referral sources, and a free traffic checker tool., and API V5 beta available in REST and Batch modes: REST delivers on-demand JSON responses, while Batch handles large reports for data warehouses and historical research. better fits how you invest.
What asset classes do Portfolio123 and Similarweb cover?
Both cover common asset types. Portfolio123 also includes Stocks, ETFs, and Closed-End Funds. Similarweb adds coverage for Other.
Does Portfolio123 or Similarweb have real-time data?
Portfolio123 offers real-time data feeds, which is essential for active traders. Similarweb uses delayed or end-of-day data, which works fine for longer-term investors who don't need up-to-the-second quotes.
Can I export data from Portfolio123 and Similarweb?
Similarweb supports data exports to CSV, Excel, JSON, PDF, and Image. Portfolio123 has more limited export options.
Can Portfolio123 or Similarweb connect to my broker?
Portfolio123 connects with brokers for portfolio syncing. Similarweb requires manual portfolio entry or data import.
Which has a better stock screener—Portfolio123 or Similarweb?
Portfolio123 includes a stock screener for finding investment ideas. Similarweb focuses on other analytical tools.
Can I track my portfolio with Portfolio123 or Similarweb?
Portfolio123 offers portfolio tracking features. Similarweb is more focused on research and analysis.
Other tools you might like
These profiles share overlapping coverage with both sides of this matchup.
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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.