Software · head to head
LanguageTool vs Mercury Reader
The short version
- Each has a real cost: LanguageTool free tier limited to basic spelling and simple punctuation; advanced punctuation and style issues caught only on premium; 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: LanguageTool covers Multi-language support, Mercury Reader covers Content extraction.
Where they differ
Only the attributes on which LanguageTool and Mercury Reader actually diverge.
| Attribute | LanguageTool | Mercury Reader |
|---|---|---|
| Pricing model | Unknown | free |
| Platforms | Web editor, Windows desktop app, macOS desktop app, Chrome extension, Firefox extension, Edge extension, Safari extension, Opera extension, Google Docs, Microsoft Word, iOS app | Chrome, Firefox, Edge |
| Founded | 2003 | 2015 |
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Unknown).
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 LanguageTool
- Multi-language support
- Grammar checking
- Style suggestions
- Personal dictionary
- Safari support
- Opera support
Only in Mercury Reader
- Content extraction
- Clean reading view
- Custom themes
- Font customization
Both cover
- Chrome support
- Firefox support
- Edge support
What people use each for
The jobs each tool is most often brought in to do.
LanguageTool
- Grammar and spelling correction across web and desktopnot Mercury Reader
- Style and clarity improvementsnot Mercury Reader
- Multilingual writing assistancenot Mercury Reader
Mercury Reader
No use cases recorded yet. See the Mercury Reader review.
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
LanguageTool
- Free tier limited to basic spelling and simple punctuation; advanced punctuation and style issues caught only on premium
- Picky Mode (advanced typography) unavailable on free plan
- Specific pricing not displayed on main page; requires navigation to purchase flow
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
LanguageTool
FreeNo published plan breakdown. See the LanguageTool review.
Mercury Reader
Free- FreeFree
- Clutter removal
- Clean reading
- Custom themes
Which should you pick?
Choose LanguageTool if
- You need multi-language support.
- You want to start without paying.
- You work on Web editor, Windows desktop app, macOS desktop app, Chrome extension, Firefox extension, Edge extension, Safari extension, Opera extension, Google Docs, Microsoft Word, iOS app.
- You also want grammar checking.
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.
Questions people ask
- Is LanguageTool or Mercury Reader better?
- Neither clearly leads. LanguageTool 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, LanguageTool or Mercury Reader?
- LanguageTool starts at Free and Mercury Reader at Free.
- Does LanguageTool or Mercury Reader run on more platforms?
- LanguageTool runs on Web editor, Windows desktop app, macOS desktop app, Chrome extension, Firefox extension, Edge extension, Safari extension, Opera extension, Google Docs, Microsoft Word, iOS app. Mercury Reader runs on Chrome, Firefox, Edge.
- Can I use LanguageTool for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is LanguageTool best used for?
- LanguageTool is most often used for grammar and spelling correction across web and desktop, style and clarity improvements, multilingual writing assistance. Of those, grammar and spelling correction across web and desktop and style and clarity improvements are not what Mercury Reader is typically brought in for.
- What can LanguageTool do that Mercury Reader cannot?
- LanguageTool covers Multi-language support, Grammar checking, Style suggestions, Personal dictionary. Mercury Reader covers Content extraction, Clean reading view, Custom themes, Font customization. Both handle Chrome support, Firefox support, Edge support.