Grammarly: the definitive review
The safety net for everything you write
“Grammarly is a writing-correctness layer that works nearly everywhere you type. It is not a content generator first: its value is consistency, tone control and catching mistakes before customers do.”
Metrics last verified Sep 9, 2026
How Grammarly scored 83/100
Every product is rated on the same seven weighted categories. The weights never change between products, so scores are always comparable. Rated Excellent overall.
81×25% + 84×20% + 82×15% + 84×15% + 82×10% + 83×10% + 89×5% = 83/100
Best for
Anyone who writes in public and cannot afford sloppy copy
Key features
- Real-time grammar and clarity checks
- Tone detection
- Style guide enforcement
- Plagiarism checking
- Browser and desktop apps
What we like
- Works across browser, desktop and mobile
- Genuinely useful free tier
- Tone and clarity suggestions, not just spelling
- Team style guides on business plans
Worth knowing
- Generative features are thinner than dedicated AI writers
- Suggestions can flatten a distinctive voice
- Business plan pricing adds up per seat
Practical details
Pricing
Free tier; Pro from $12/month billed annually
- Vendor
- Grammarly Inc.
- Commission
- Grammarly affiliate program (per-signup payout)
Ease of use · Support · Value
- Ease of use
- 82/100
- Customer support
- 82/100
- Value for money
- 84/100
Refund policy
Refunds available within the published refund window on paid plans
Final verdict
“The least glamorous tool on this list and one of the most used. Start on the free tier; upgrade only when tone and style controls start paying for themselves.”
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Affiliate disclosure: we may earn a commission if you purchase through links on this page. Our scores are computed independently and are never influenced by commissions.