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Redux DevTools vs Mercury Reader

Redux DevTools logo

Redux DevTools

Software

Debug Redux state changes in your browser

From
Free
Rated
-
Full reviewWebsite
M

Mercury Reader

Software

Clear clutter from articles instantly

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Redux DevTools significant performance overhead when tracking large state trees with many action history entries; Mercury Reader mercury Reader's underlying engine (Postlight Parser) is free open source software licensed under Apache License 2.0, per the GitHub repository, with no paid tier
  • They diverge on capability: Redux DevTools covers Action history, Mercury Reader covers Content extraction.

Where they differ

Only the attributes on which Redux DevTools and Mercury Reader actually diverge.

Attributes where Redux DevTools and Mercury Reader differ
AttributeRedux DevToolsMercury Reader
Pricing modelUnknownfree
PlatformsChrome, Firefox, Edge, ElectronChrome, Firefox, Edge

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Unknown), founded (2015).

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 Redux DevTools

  • Action history
  • State diff
  • Time-travel debugging
  • State export

Only in Mercury Reader

  • Content extraction
  • Clean reading view
  • Custom themes
  • Font customization

Both cover

  • Chrome support
  • Firefox support
  • Edge support

Where each one falls short

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

Redux DevTools

  • Significant performance overhead when tracking large state trees with many action history entries
  • Memory consumption increases with action history, especially with large datasets of 11,000+ records
  • UI becomes sluggish when LogMonitor contains many actions in history
  • Requires manual configuration of maxAge and sanitizers to optimize performance

Mercury Reader

  • Mercury Reader's underlying engine (Postlight Parser) is free open source software licensed under Apache License 2.0, per the GitHub repository, with no paid tier

Pricing, plan by plan

Redux DevTools

Free

No published plan breakdown. See the Redux DevTools review.

Mercury Reader

Free
  • FreeFree
    • Clutter removal
    • Clean reading
    • Custom themes

Which should you pick?

Choose Redux DevTools if

  • You need action history.
  • You want to start without paying.
  • You work on Chrome, Firefox, Edge, Electron.
  • You also want state diff.
Redux DevTools review

Choose Mercury Reader if

  • You need content extraction.
  • You want to start without paying.
  • You work on Chrome, Firefox, Edge.
  • You also want clean reading view.
Mercury Reader review

Questions people ask

Is Redux DevTools or Mercury Reader better?
Neither clearly leads. Redux DevTools starts at Free and Mercury Reader at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Redux DevTools or Mercury Reader?
Redux DevTools starts at Free and Mercury Reader at Free.
Does Redux DevTools or Mercury Reader run on more platforms?
Redux DevTools runs on Chrome, Firefox, Edge, Electron. Mercury Reader runs on Chrome, Firefox, Edge.
Can I use Redux DevTools for free?
Both have a free tier, so you can try either at no cost before committing.
What can Redux DevTools do that Mercury Reader cannot?
Redux DevTools covers Action history, State diff, Time-travel debugging, State export. Mercury Reader covers Content extraction, Clean reading view, Custom themes, Font customization. Both handle Chrome support, Firefox support, Edge support.

Answered from the vendors’ own pages

Redux DevTools: Is Redux DevTools free?

Yes, Redux DevTools is completely free and open-source under the MIT license. It is available as a browser extension for Chrome, Firefox, and Edge, and can also be used as a standalone app or React component.

Source
Redux DevTools: What browsers does Redux DevTools support?

Redux DevTools is available as a browser extension for Chrome, Firefox, and Edge. It can also be integrated directly into applications as a React component or standalone app.

Source
Redux DevTools: Does Redux DevTools work with production builds?

Redux DevTools is designed for development and should be disabled in production builds. Keeping it enabled in production can impact application performance due to state logging overhead.

Source
Redux DevTools: How do I enable time-travel debugging with Redux DevTools?

Redux DevTools allows you to step back through dispatched actions, canceling actions to return to previous application states. This time-travel debugging is built into the core functionality of the extension.

Source
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