VOL. XCIV, NO. 247
★ BEST INVESTING TOOLS COMPARISON ★
NO ADVICE
Monday, January 5, 2026
Tool Comparison
ECB Data Portal vs Similarweb comparison
Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.
Similarweb
similarweb.com
Comparison highlights
- Tool score: the chart below shows community vote sentiment over the last 8 weeks. Use it as a signal, not a verdict.
- Overlap: both cover Data APIs, APIs & SDKs, and Data Visualizations.
- Coverage tilt: ECB Data Portal has 7 categories you won't get in Similarweb; Similarweb has 2 unique categories.
- Pricing: ECB Data Portal is Free; Similarweb is Free, Subscription.
Category leaders
- Data Visualizations: not enough category votes yet to call a leader.
Vote sentiment comparison
Cumulative positive vote share. Loading fresh totals...
Side-by-side metrics
| Attribute | ECB Data Portal | Similarweb |
|---|---|---|
Asset types Supported asset classes and universes | Bonds, Currencies, Other | Other |
Experience levels Who each product is built for | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Platforms Where you can access the product | Web, API | Web, API |
Pricing High-level pricing models | Free | Free, Subscription |
Tested Verified by hands-on testing inside Find My Moat | Not yet | Yes |
Editor pick Featured inside curated shortlists | Standard listing | Standard listing |
Coverage overlap
Shared categories
Categories where both tools offer overlapping coverage.
ECB Data Portal strengths
Categories covered by ECB Data Portal but not Similarweb.
Similarweb strengths
Categories covered by Similarweb but not ECB Data Portal.
Frequently Asked Questions
Which workflows do ECB Data Portal and Similarweb both support?
Both platforms cover Data APIs, APIs & SDKs, and Data Visualizations workflows, so you can research those use cases in either tool before digging into the feature differences below.
Do ECB Data Portal and Similarweb require subscriptions?
Both ECB Data Portal and Similarweb keep freemium access with optional paid upgrades, so you can trial each platform before committing.
How can you access ECB Data Portal and Similarweb?
Both ECB Data Portal and Similarweb prioritize web or desktop access. Investors wanting a mobile-first workflow may need to rely on responsive web views.
What unique strengths set the two platforms apart?
ECB Data Portal differentiates itself with Open SDMX 2.1 REST API with discovery & retrieval modes; single entry point at data-api.ecb.europa.eu/service/ and rich query parameters (e.g., startPeriod/endPeriod, updatedAfter, includeHistory, detail, firstNObservations/lastNObservations)., Format flexibility via content negotiation and the `format` query param: SDMX‑JSON, CSV, and SDMX‑ML (structure‑specific and generic)., and Interactive portal with export of data (CSV, XLS long/wide, SDMX) and export of visuals (PNG, PDF, PowerPoint)., whereas Similarweb stands out for Website traffic and engagement analytics, including keyword research, referral sources, and a free traffic checker tool., APIs available in REST and Batch modes: REST delivers JSON responses, while Batch handles large CSV reports., and Webhook support for subscribing to daily or monthly data releases, with options to manage subscriptions directly..
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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.