Browser Extensions · head to head
Wappalyzer vs Dark Reader
The short version
- Each has a real cost: Wappalyzer cannot detect server-side or hidden technologies without client-side footprints; Dark Reader cannot modify PDF files displayed in browsers
- They diverge on capability: Wappalyzer covers Technology detection, Dark Reader covers Dark mode.
Where they differ
Only the attributes on which Wappalyzer and Dark Reader actually diverge.
| Attribute | Wappalyzer | Dark Reader |
|---|---|---|
| Platforms | Chrome, Firefox, Edge, Web | Chrome, Firefox, Safari, Edge |
| Founded | 2009 | 2014 |
Identical on both: starting price (Free), pricing model (Unknown), 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 Wappalyzer
- Technology detection
- CMS identification
- Framework analysis
- Analytics tracking
Only in Dark Reader
- Dark mode
- Custom brightness
- Contrast adjustment
- Site-specific settings
- Safari 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.
Wappalyzer
No use cases recorded yet. See the Wappalyzer review.
Dark Reader
- Applying dark mode to websites that don't natively support itnot Wappalyzer
- Reducing eye strain for night-time or extended browsingnot Wappalyzer
- Per-site brightness, contrast, and sepia customizationnot Wappalyzer
- Toggling dark mode on/off per domainnot Wappalyzer
- Accessibility use for light-sensitive usersnot Wappalyzer
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Wappalyzer
- Cannot detect server-side or hidden technologies without client-side footprints
- Went closed-source in 2023; self-hosting now difficult without maintaining community forks
- Data export features locked to Business plan ($450/month) minimum
Dark Reader
- Cannot modify PDF files displayed in browsers
- Performance impact on devices with limited resources
Pricing, plan by plan
Wappalyzer
FreeNo published plan breakdown. See the Wappalyzer review.
Dark Reader
FreeNo published plan breakdown. See the Dark Reader review.
Which should you pick?
Choose Wappalyzer if
- You need technology detection.
- You want to start without paying.
- You work on Chrome, Firefox, Edge, Web.
- You also want cms identification.
Choose Dark Reader if
- You need dark mode.
- You want to start without paying.
- You work on Chrome, Firefox, Safari, Edge.
- You also want custom brightness.
Questions people ask
- Is Wappalyzer or Dark Reader better?
- Neither clearly leads. Wappalyzer starts at Free and Dark Reader at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Wappalyzer or Dark Reader?
- Wappalyzer starts at Free and Dark Reader at Free.
- Does Wappalyzer or Dark Reader run on more platforms?
- Wappalyzer runs on Chrome, Firefox, Edge, Web. Dark Reader runs on Chrome, Firefox, Safari, Edge.
- Can I use Wappalyzer for free?
- Both have a free tier, so you can try either at no cost before committing.
- What can Wappalyzer do that Dark Reader cannot?
- Wappalyzer covers Technology detection, CMS identification, Framework analysis, Analytics tracking. Dark Reader covers Dark mode, Custom brightness, Contrast adjustment, Site-specific settings. Both handle Chrome support, Firefox support, Edge support.
Answered from the vendors’ own pages
Wappalyzer: Does Wappalyzer have a free version?
Yes. Wappalyzer's browser extension is completely free and provides unlimited technology lookups with no account required. The free tier includes basic website technology detection across all categories.
SourceDark Reader: Is Dark Reader free to use?
Yes, Dark Reader is completely free with no ads and no tracking. It does not send user data anywhere.
SourceWappalyzer: What are the paid pricing tiers for Wappalyzer?
Wappalyzer's paid plans start at $250/month for Pro (5,000 lookups, 1 user), $450/month for Business (20,000 lookups, 5 users, API access), and $850+/month for Enterprise (200,000+ lookups, 25+ users). Annual billing offers 17% discount.
SourceDark Reader: How can I customize the dark mode in Dark Reader?
Users can configure brightness, contrast, and sepia filter settings to suit their specific needs, and selectively enable or disable Dark Reader for specific websites.
SourceWappalyzer: Can Wappalyzer detect all website technologies?
Wappalyzer detects over 1,000 technologies but cannot detect server-side or hidden technologies, backend infrastructure, internal databases, or ERP systems with no client-side footprint.
SourceDark Reader: What browsers does Dark Reader support?
Dark Reader is available for Chrome, Firefox, Safari, and Edge browsers across desktop and mobile platforms.
SourceWappalyzer: Can Wappalyzer be self-hosted?
Wappalyzer went closed-source in 2023 when the GitHub repository was taken down. It can be deployed via Docker or npm, but the community-contributed fingerprint database is now part of the commercial product. Open-source forks are available but not officially maintained.
SourceDark Reader: Does Dark Reader work offline?
Yes, Dark Reader runs entirely on your device with no external dependencies. It analyzes web pages locally to generate dark themes.
SourceWappalyzer: What integrations does Wappalyzer offer?
Wappalyzer integrates with CRM systems like Salesforce and HubSpot, and supports lead list exports and API access for business users on paid plans.
SourceWappalyzer: When does Wappalyzer data export become available?
Data export and lead list generation features are only available on the Business plan ($450/month) and above, not on the Pro tier.
Source