Grammarly

Superhuman (formerly Grammarly) · Grammarly Pro · ★★★★★ 4.6 Editor's score

AI grammar, tone and clarity checker for everyday writing.

Price: Free / from $12/mo

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Price shows the lowest advertised monthly rate, often with annual billing. Checked October 2026 — plans change often, so confirm on the vendor's site.

Best for: Anyone who wants clean, professional writing everywhere they type.

Key features

Grammar checkTone suggestionsPlagiarism checkBrowser extensionAI rewriting

Pros and cons

✅ Pros

Excellent grammar and clarity
Works across apps and browser
Great free tier

❌ Cons

Not a long-form generator
Best features are paid

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