New Site Radar vs Similarweb

Disclosure: we build New Site Radar. Everything below about Similarweb comes from its public pages as we read them on October 2, 2026 (sources at the bottom). Products change; if something here is out of date, email hello@newsiteradar.com and we will fix it.

Similarweb is the better fit for analyzing a known website's traffic and broader metrics. New Site Radar fits indie makers and investors looking to discover AI tool sites registered in 2025 or later that are gaining traffic, with monthly rankings and evidence on every site page.

Side by side

What it tracks: New Site Radar: AI tool sites registered in 2025 or later that are gaining traffic; Similarweb: Any website: traffic and engagement, global rankings, SEO keywords, referring domains, top search ads and technologies
Interface language: New Site Radar: English, Spanish; Similarweb: 10 interface languages, including English, Spanish, Japanese and Chinese
Paid plan: New Site Radar: Pro $19/month or $149/year; Similarweb: Prices not listed publicly: self-service packages for individuals and small teams, custom packages through sales; free trial
Free plan: New Site Radar: 20-site monthly sample of the rankings, every site page, watchlist of 10 sites; Similarweb: Free Website Traffic Checker (3 searches a day when we checked) and other free tools
Second-source check of traffic numbers: New Site Radar: Yes: traffic is compared with a second, independent source (search-traffic estimates, or Tranco rank for brand-driven sites); sites only one source covers are labelled; Similarweb: Not described on the pages we checked
Revenue view: New Site Radar: Detected payment provider and real pricing, with a modelled revenue range and its confidence; Similarweb: Not described on the pages we checked
API / MCP: New Site Radar: Remote MCP server with 7 read-only tools (listing free, calls on Pro); Similarweb: Data-as-a-Service API and automated reporting

	New Site Radar	Similarweb
What it tracks	AI tool sites registered in 2025 or later that are gaining traffic	Any website: traffic and engagement, global rankings, SEO keywords, referring domains, top search ads and technologies
Interface language	English, Spanish	10 interface languages, including English, Spanish, Japanese and Chinese
Paid plan	Pro $19/month or $149/year	Prices not listed publicly: self-service packages for individuals and small teams, custom packages through sales; free trial
Free plan	20-site monthly sample of the rankings, every site page, watchlist of 10 sites	Free Website Traffic Checker (3 searches a day when we checked) and other free tools
Second-source check of traffic numbers	Yes: traffic is compared with a second, independent source (search-traffic estimates, or Tranco rank for brand-driven sites); sites only one source covers are labelled	Not described on the pages we checked
Revenue view	Detected payment provider and real pricing, with a modelled revenue range and its confidence	Not described on the pages we checked
API / MCP	Remote MCP server with 7 read-only tools (listing free, calls on Pro)	Data-as-a-Service API and automated reporting

When Similarweb is the better fit

You want to analyze a website you already know: its traffic, engagement and SEO keywords.
You need referring domains, top search ads or technology data for a website.
You want a Data-as-a-Service API.

When New Site Radar is the better fit

You want AI tool sites that launched recently and are starting to grow, before they are well known.
You want to know how far to trust each number: every figure is checked against a second source where one exists, and the evidence is on the site page (see the methodology).
You want to query the data from Claude Code, Cursor or Codex over MCP.

Try it: the growth rankings have a free monthly sample, and Pro shows the full board.

Sources

Similarweb website traffic checker page: https://www.similarweb.com/website/ (checked October 2, 2026)
Similarweb home page: https://www.similarweb.com/ (checked October 2, 2026)
Similarweb pricing page: https://www.similarweb.com/corp/pricing/ (checked October 2, 2026)
New Site Radar: pricing, methodology