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Chrome extensionwhat they say

GrammarFix

GrammarFix: Grammar Checker & Corrector

Online grammar checker for fast spelling grammar check and sentence correction. Fix writing mistakes instantly as you type.

★★★★☆4.0 (5) · 1k+ users
Free
Chrome Web Store ↗
what mrrlens sees
MRR · No price listedNo price in the listing
Opportunity—
Buyer threads · 30 d0
“it doesn't integrate with any website text fields”
#1 complaint · Missing Feature · 1 of 1 complaints read · analysed Nov 3, 2026 · source

01Revenue

No price in the listing

Store data from the Chrome Web Store listing, refreshed daily. Updated 4 d ago.

02Why users leave GrammarFix

Missing Feature1 review · 1 of 1

No integration with website text fields; users cannot use it while typing in web forms or site inputs.

“it doesn't integrate with any website text fields” source ↗

Sample: 1 recent complaint (1–3★ reviews) · clustered Nov 3, 2026 · complaints from Jun 2026–Jun 2026, almost all in the last 24 months · each review labelled by a model, quotes verbatim

03How to build a better GrammarFix

Build difficultyMediumBrowser extension approval, cross-site text-field compatibility, and reliance on third-party grammar APIs.
Three build ideas that answer these complaintsIncluded in the day pass and Pro.
Unlock

04Who wants a better GrammarFix

0 buyer threads in the last 30 days name GrammarFix.

05Questions about GrammarFix

How much revenue does GrammarFix make?

GrammarFix's listing publishes no price and no paid plan, so MRRLens shows no revenue estimate. It may still charge on its own website; a founder can verify the real figure.

What do users complain about most in GrammarFix?

Across 1 recent complaints, the most common is missing feature (1 of 1). No integration with website text fields; users cannot use it while typing in web forms or site inputs.

What are the best GrammarFix alternatives?

The closest alternatives MRRLens found are Grammarly, Linguix and Spell Check. The full list, with why users leave, is on the GrammarFix alternatives page.

How many people use GrammarFix?

GrammarFix lists 1k+ users on the Chrome Web Store, rated 4.0 (5).

See the full x-ray of GrammarFix

Full 1-star breakdown with verbatim quotes, the build blueprint and every live thread — on every product.