Softwr

Browser Extensions · head to head

SimilarWeb vs Night Eye

S

SimilarWeb

Browser Extensions

Website traffic and competitive analysis

From
Free
Rated
-
Full reviewWebsite
Night Eye logo

Night Eye

Browser Extensions

Dark mode on any website

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: SimilarWeb browser extension data accuracy is lower than full platform; Night Eye can impact browser performance, especially on older or less powerful devices due to color conversion processing
  • They diverge on capability: SimilarWeb covers Traffic analytics, Night Eye covers Dark mode.

Where they differ

Only the attributes on which SimilarWeb and Night Eye actually diverge.

Attributes where SimilarWeb and Night Eye differ
AttributeSimilarWebNight Eye
Pricing modelfreemiumUnknown
PlatformsWeb, Browser ExtensionChrome, Safari, Edge, Firefox, Opera, Brave
Founded20072018

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Browser Extensions).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in SimilarWeb

  • Traffic analytics
  • Audience insights
  • Competitor research
  • Industry analysis

Only in Night Eye

  • Dark mode
  • Color analysis
  • Image preservation
  • Per-site settings
  • Safari support
  • Opera support

Both cover

  • Chrome support
  • Firefox support
  • Edge support

What people use each for

The jobs each tool is most often brought in to do.

SimilarWeb

No use cases recorded yet. See the SimilarWeb review.

Night Eye

  • Force a consistent dark mode on websites that don't natively support onenot SimilarWeb
  • Reduce eye strain and blue light exposure during night browsing via a built-in blue-light filternot SimilarWeb
  • Per-site color, brightness, contrast, and saturation customizationnot SimilarWeb
  • Selectively convert only icons/small images rather than full images to preserve visual fidelity in dark modenot SimilarWeb

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

SimilarWeb

  • Browser extension data accuracy is lower than full platform
  • Full platform pricing is not transparent and requires quote-based inquiry

Night Eye

  • Can impact browser performance, especially on older or less powerful devices due to color conversion processing
  • Ineffective on web applications with fixed color schemes that cannot be altered
  • Does not work offline or on non-web content
  • Limited customization on websites that have their own built-in dark mode implementation

Pricing, plan by plan

SimilarWeb

Free
  • FreeFree
    • Traffic overview
    • Engagement metrics
    • Similar sites

Night Eye

Free
  • LiteFree
    • Dark mode on up to 5 websites
    • No ads
  • Pro$9/year
    • Up to 3 browsers
  • Pro Max$14/year
    • Up to 6 browsers
  • Lifetime$40/mo
    • Unlimited browsers
    • Lifetime updates

Which should you pick?

Choose SimilarWeb if

  • You need traffic analytics.
  • You want to start without paying.
  • You work on Web, Browser Extension.
  • You also want audience insights.
SimilarWeb review

Choose Night Eye if

  • You need dark mode.
  • You want to start without paying.
  • You work on Chrome, Safari, Edge, Firefox, Opera, Brave.
  • You also want color analysis.
Night Eye review

Questions people ask

Is SimilarWeb or Night Eye better?
Neither clearly leads. SimilarWeb starts at Free and Night Eye at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, SimilarWeb or Night Eye?
SimilarWeb starts at Free and Night Eye at Free.
Does SimilarWeb or Night Eye run on more platforms?
SimilarWeb runs on Web, Browser Extension. Night Eye runs on Chrome, Safari, Edge, Firefox, Opera, Brave.
Can I use SimilarWeb for free?
Both have a free tier, so you can try either at no cost before committing.
What can SimilarWeb do that Night Eye cannot?
SimilarWeb covers Traffic analytics, Audience insights, Competitor research, Industry analysis. Night Eye covers Dark mode, Color analysis, Image preservation, Per-site settings. Both handle Chrome support, Firefox support, Edge support.

Answered from the vendors’ own pages

SimilarWeb: Is the SimilarWeb browser extension free?

Yes. The SimilarWeb browser extension is completely free to install and use with no paid tiers and no credit card required.

Source
Night Eye: What is Night Eye?

Night Eye is a browser extension that applies dark mode to websites by analyzing page colors and converting them into a comfortable dark theme. It preserves photos and videos and offers customization options for brightness, contrast, and blue light filtering.

Source
SimilarWeb: How many websites does SimilarWeb cover?

SimilarWeb provides access to intelligence from 1B+ websites and 8M apps, tracks 5B search terms and 250M display ads across 190 countries and 210 industries.

Source
Night Eye: What is the pricing for Night Eye?

Night Eye Lite is free with dark mode on up to 5 websites. Night Eye Pro costs $9/year for up to 3 browsers, Night Eye Pro Max costs $14/year for up to 6 browsers, and lifetime updates cost $40 for unlimited use across 10 browsers.

Source
SimilarWeb: How accurate is SimilarWeb extension data?

Browser extension data accuracy is lower than the full platform, but it is adequate for ballpark figures of traffic estimates.

Source
Night Eye: Which browsers does Night Eye support?

Night Eye is available for Chrome, Safari, Microsoft Edge, Firefox, Opera, Brave, and other Chromium-based browsers.

Source
Night Eye: Does Night Eye track my browsing?

No. Night Eye does not monitor, process, or store browsing activity. Webpage conversion is performed locally on the user's device. No ads appear in the free Lite version.

Source
ShareXLinkedInRedditWhatsAppEmail

Related pages

More on SimilarWeb

More on Night Eye

Keep looking

Other head to heads