Browser Extensions · head to head
Dark Reader vs Echo360
Echo360
LMS
Lecture capture, video management, polling and exam authoring for universities
- From
- On request
- Rated
- -
The short version
- Only Dark Reader has a free tier, so it costs nothing to try first.
- Each has a real cost: Dark Reader cannot modify PDF files displayed in browsers; Echo360 no pricing is published for any component, so institutions cannot benchmark before entering a procurement, and the eventual figure depends on negotiated enrolment bands that vary widely between comparable universities.
- They diverge on capability: Dark Reader covers Dark mode, Echo360 covers Scheduled lecture capture.
- Prices and features above were last checked on 31 August 2026.
Where they differ
Only the attributes on which Dark Reader and Echo360 actually diverge.
| Attribute | Dark Reader | Echo360 |
|---|---|---|
| Starting price | Free | On request |
| Pricing model | Unknown | quote |
| Free tier | Yes | No |
| Platforms | Chrome, Firefox, Safari, Edge | Web, iOS, Android, Windows, macOS |
| Category | Browser Extensions | LMS |
| Founded | 2014 | Unknown |
Identical on both: user rating (Not yet rated).
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 Dark Reader
- Dark mode
- Custom brightness
- Contrast adjustment
- Site-specific settings
- Chrome support
- Firefox support
- Edge support
- Safari support
Only in Echo360
- Scheduled lecture capture
- Automatic transcription and search
- Engagement analytics
- EchoEngage polling
- EchoExam
- GoReact video assessment
- LMS integration
- Student notes and interaction
What people use each for
The jobs each tool is most often brought in to do.
Dark Reader
- Applying dark mode to websites that don't natively support itnot Echo360
- Reducing eye strain for night-time or extended browsingnot Echo360
- Per-site brightness, contrast, and sepia customizationnot Echo360
- Toggling dark mode on/off per domainnot Echo360
- Accessibility use for light-sensitive usersnot Echo360
Echo360
- A university with a legal obligation to caption teaching material, where automatic transcription across every recorded lecture is cheaper than commissioning captions per modulenot Dark Reader
- A department wanting to see which students stopped watching recordings before a failure point, and to act on it before the examnot Dark Reader
- A teacher training or nursing programme that needs time-stamped assessor feedback on student performance video, which GoReact is built fornot Dark Reader
- An institution replacing an ageing clicker estate and wanting polling on the same contract as lecture capture rather than a second vendornot Dark Reader
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Dark Reader
- Cannot modify PDF files displayed in browsers
- Performance impact on devices with limited resources
Echo360
- No pricing is published for any component, so institutions cannot benchmark before entering a procurement, and the eventual figure depends on negotiated enrolment bands that vary widely between comparable universities.
- The catalogue is assembled from mergers and acquisitions including Turning Technologies and GoReact, so the bundle is not one product: components differ in codebase, support and roadmap attention, and integration between them is uneven.
- Room capture hardware and installation are priced separately from the software licence and often exceed it in year one, which is regularly missed in budget submissions that only cover the subscription.
- Private equity ownership through Centre Lane Partners means roadmap and pricing decisions answer to an investment thesis, and universities on multi-year contracts have limited leverage if the strategy changes mid-term.
- Automatic transcription accuracy on technical lecture content, accented speakers and poor room audio falls well short of what an accessibility obligation strictly requires, so institutions relying on it for compliance usually still pay for human correction on a subset of courses.
Pricing, plan by plan
Dark Reader
FreeNo published plan breakdown. See the Dark Reader review.
Echo360
On request- EchoVideo$undefined/year
- Lecture capture, transcription, streaming and analytics
- Institution-wide licence, quoted
- Room hardware and installation priced separately
- EchoEngage$undefined/year
- Polling and audience response including PointSolutions
- Quoted, sometimes with student-paid licences
- EchoExam and EchoInk$undefined/year
- Assessment authoring and interactive content
- Quoted as bundle components
- GoReact$undefined/year
- Video-based skill assessment
- Sold per programme or institution-wide, quoted
Which should you pick?
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.
Choose Echo360 if
- You need scheduled lecture capture.
- You work on Web, iOS, Android, Windows, macOS.
- You also want automatic transcription and search.
Questions people ask
- Is Dark Reader or Echo360 better?
- Neither clearly leads. Dark Reader starts at Free and Echo360 at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Dark Reader or Echo360?
- Dark Reader has a free tier; the other does not. Paid plans start at Free for Dark Reader and On request for Echo360.
- Does Dark Reader or Echo360 run on more platforms?
- Dark Reader runs on Chrome, Firefox, Safari, Edge. Echo360 runs on Web, iOS, Android, Windows, macOS.
- Can I use Dark Reader for free?
- Yes. Dark Reader has a free tier, so you can try it without paying. Echo360 starts at On request.
- What is Dark Reader best used for?
- Dark Reader is most often used for applying dark mode to websites that don't natively support it, reducing eye strain for night-time or extended browsing, per-site brightness, contrast, and sepia customization, toggling dark mode on/off per domain. Of those, applying dark mode to websites that don't natively support it and reducing eye strain for night-time or extended browsing are not what Echo360 is typically brought in for.
- What can Dark Reader do that Echo360 cannot?
- Dark Reader covers Dark mode, Custom brightness, Contrast adjustment, Site-specific settings. Echo360 covers Scheduled lecture capture, Automatic transcription and search, Engagement analytics, EchoEngage polling.
Answered from the vendors’ own pages
Dark 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.
SourceEcho360: Does Echo360 publish pricing?
No. Every component is quoted, generally as an institution-wide annual licence banded by enrolment, with hardware and installation separate.
Dark 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.
SourceEcho360: Is automatic captioning good enough for accessibility compliance?
Not on its own for high-stakes use. Automatic transcription handles search and general access well, but technical vocabulary and poor room audio degrade it, and most institutions budget for human correction where a formal accommodation exists.
Dark Reader: What browsers does Dark Reader support?
Dark Reader is available for Chrome, Firefox, Safari, and Edge browsers across desktop and mobile platforms.
SourceEcho360: What did the Turning Technologies merger bring?
The polling and clicker business, now sold as EchoEngage and PointSolutions, which is why polling appears alongside lecture capture on one contract.
Dark 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.
SourceEcho360: Is GoReact sold separately?
Yes. GoReact can be bought on its own for a programme such as teacher training, or as part of the wider Echo360 bundle.
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