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Grammarly Review: Price, Features and Score

Grammarly: AI writing assistant checking grammar, spelling and tone across apps. Free plan; paid from $144 a year, on Windows, Mac, web, iOS, Android and browser extension. We did not test it; the facts come from its own pages.

Prices and data checked October 7, 2026 · Author Score computed by a published formula, not paid for

Grammarly on the BookBird Author Score

Author Score · editing & grammar · #2 of 12 ·

Best for: Authors wanting grammar checks inside Word, Google Docs and browsers

BookBird Author Score8.1/10 #2 of 12 editing & grammar. Worked out from Grammarly’s own pages, its price and US searches for its name, not typed in. Author jobs50 pts35.7/50Each of the 7 author jobs on the editing & grammar list is worth an equal share of 50 points, and counts only when Grammarly’s own pages confirm it. 5 of 7 confirmed = 35.7 points. A job the vendor does not mention earns nothing.Cost25 pts25/25A free plan, or a platform that takes no upfront fee, earns all 25 points.Adoption25 pts20/25Searches, 20 points: 2,740,000 a month for “grammarly”, the most searched in this category, so the full 20. Trend, 5 points: down 61% (last three months against the first three of the year) = 0; a fall of half or more earns 0, no change 2.5, a rise of half or more 5. 80.7 of 100 points= 8.1 out of 10 The full method, with every product’s points →

Author jobs, from Grammarly’s own pages

  • Yes: Grammar and spelling
  • Yes: Style reports
  • Not stated: Fiction reports (not stated)
  • Yes: Handles a whole manuscript
  • Yes: Works in Word, Google Docs or Scrivener
  • Yes: Custom dictionary or style rules
  • No: Your text is not used for training (no)

Grammarly pricing

Free plan + paid plans. There is a free plan. Free trial: 7 days. Plans, in US dollars:

  • Free
  • Pro: $30 a month
  • Pro: $60 a quarter
  • Pro: $144 a year
  • Enterprise: price in USD not confirmed

USD figures from the 2026-10-02 record (en-US plan data). Re-check on 2026-10-07 from Poland showed the same numbers in EUR (30/60/144) and no USD option; USD not re-confirmed today.

What Grammarly offers

  • Spelling and grammar correction
  • Tone detection; tone adjustment on Pro
  • Whole-sentence rewrites and fluency suggestions on Pro
  • Plagiarism and AI-text detection on Pro
  • Personal dictionary for names and invented words
  • Overall score report with readability and vocabulary
  • AI prompts: 100 a month free, 2,000 on Pro
  • Runs in Word, Google Docs, Scrivener and browsers

Runs on: Windows, Mac, web, iOS, Android and browser extension. Launched: 2009.

Grammarly alternatives

SoftwareScorePrice fromBest for
ProWritingAid8.8Free plan; paid from $120 a yearFiction authors wanting line edits plus whole-manuscript story feedback
AutoCrit8.0Free plan; paid from $180 a yearFiction authors self-editing a full draft in a browser
LanguageTool7.3Free plan; paid from $69.90 a yearAuthors writing in several languages, inside Word or Google Docs
Marlowe7.0Free plan; paid from $29.95 one-timeNovelists wanting a structural critique of a full draft, per report
Hemingway Editor6.6Free plan; paid from $19.99 one-timeWriters tightening prose; one-time desktop app or AI subscription

Compare: ProWritingAid vs Grammarly · All editing & grammar · All software for authors

How the score is computed: the formula, step by step.