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Chrome extensionwhat they say

Spell Check

Try Spell Check for auto correct texts using ai grammar checker and ortografia corrector. Improve sentence online.

★★★★☆4.3 (30) · 8k+ users
Free
Chrome Web Store ↗
what mrrlens sees
MRR · No price listedNo price in the listing
Opportunity—
Buyer threads · 30 d0
“It's on but it does nothing. Zero spell check for anything.”
#1 complaint · Bugs/Reliability · 2 of 3 complaints read · analysed Oct 31, 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 Spell Check

Bugs/Reliability2 reviews · 2 of 3

App is enabled but does nothing; user reports zero spell check for any text.

“It's on but it does nothing. Zero spell check for anything.” source ↗

Sample: 3 recent complaints (1–3★ reviews) · clustered Oct 31, 2026 · complaints from Jan 2026–Oct 2026, almost all in the last 24 months · each review labelled by a model, quotes verbatim

03How to build a better Spell Check

Build difficultyLowCore spell/grammar checking can use existing APIs or OS dictionaries; no payments, regulation, hardware, or network effects.
Three build ideas that answer these complaintsIncluded in the day pass and Pro.
Unlock

04Who wants a better Spell Check

0 buyer threads in the last 30 days name Spell Check, and 35 more are in the same market.

05Questions about Spell Check

How much revenue does Spell Check make?

Spell Check'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 Spell Check?

Across 3 recent complaints, the most common is bugs/reliability (2 of 3). App is enabled but does nothing; user reports zero spell check for any text.

What are the best Spell Check alternatives?

The closest alternatives MRRLens found are Grammarly, GrammarFix and Free Spell Checker for Google Chrome™. The full list, with why users leave, is on the Spell Check alternatives page.

How many people use Spell Check?

Spell Check lists 8k+ users on the Chrome Web Store, rated 4.3 (30).

See the full x-ray of Spell Check

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