Grammarly
The default English writing checker — now in 22 languages, still not Arabic
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Grammarly is the most widely installed writing assistant on the planet: a browser extension, desktop app and mobile keyboard that checks grammar, spelling, clarity and tone wherever you type, from Gmail to Google Docs to Slack. The free tier covers core grammar and spelling; Pro adds full-sentence rewrites, tone adjustment, plagiarism checks and generative drafting for roughly $12 a month on an annual plan.
In March 2026 Grammarly expanded writing support to 22 languages, adding Turkish, Polish, Hindi, Vietnamese, Korean and others. Arabic is not among them: paste Arabic text and you get the built-in translator, not a grammar check. An independent 2026 test found it caught two of seven deliberate Arabic errors.
For English it remains the benchmark. For Arabic, treat it as an English tool and use Qalam or Sahehly alongside it.
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Why we picked it
It's the tool every Arabic writer already has installed and keeps asking us about, so the honest answer belongs in the catalog: excellent for English, no Arabic grammar support at all despite the 2026 language expansion. Listing it with that caveat saves readers the subscription they'd buy expecting Arabic — and points them to what works.
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