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Grammarly vs QuillBot

Price, free plan and alternatives, side by side

The comparison in short

Cheapest per year

QuillBot

$99.96/yr

31% less than Grammarly

Who has a free plan
  • Grammarlyhas a free plan
  • QuillBothas a free plan
Easiest to rebuild

QuillBot

Buildable

one sitting

On price, QuillBot wins. If you would rather build it, QuillBot is the simplest to rebuild.

Side-by-side comparison

APPLICATIONGrammarlyAI writingQuillBotAI writing
Monthly billing$30/moPro$19.95/moPremium
Per year$144/yrannual plan · −60%$99.96/yrannual plan · −58%
Billing modelFlat subscriptionFlat subscription
Free tier100 generative-AI prompts/month125 words/paraphrase; 1,200-word summarizer; 20 AI Chat queries/day; 10 AI-detector scans/day; 3 images/day
Additional costsAdditional Pro seats are prorated. A 7-day trial is available only for eligible accounts.Premium's 25,000 monthly plagiarism words do not roll over. Extra packs cost $2.45 for 6,250 words, $8.95 for 25,000, or $19.95 for 62,500; purchased packs roll over until used.
Can you rebuild it?With trade-offsmulti-dayBuildableone sitting
Free alternatives+1+1
Checked on10/20/202607/30/2026
Buy on the official siteBuy View app pageBuy View app page

The free plan compares up to 2 apps. Pro compares up to 4. See plans →

ProTotal cost over up to 3 years, for your teamWith Pro you see what each app costs over 1, 2 or 3 years for your team size and export the comparison as CSV or Markdown.Unlock with Pro →
Total cost over up to 3 years, for your team

With Pro you see what each app costs over 1, 2 or 3 years for your team size and export the comparison as CSV or Markdown.

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Also compare with

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Prices from each app’s latest check; confirm on the official site before buying.