These two sound like the same job, but they split on what "helping you write" means. QuillBot is a paraphraser first — reword, shorten, summarize, and fix a sentence on demand. Grammarly is a full writing assistant — grammar, spelling, tone, and clarity checks that run everywhere you type. The right pick depends on whether you need to rewrite text or to write better the first time.

The bout at a glance

QuillBotGrammarly
Entry pricePremium $19.95/mo ($8.33/mo annual)Pro $12/member/mo annual ($30 monthly)
Free tierLimited paraphrase + summarizerGrammar, spelling, and tone checks
Core strengthParaphrasing, summarizing, fluencyGrammar and clarity everywhere you type
Best forRewording and budgetAll-around writing quality

Prices from each vendor's pricing page, checked 2026-09-05. They change often — verify before buying.

When QuillBot is the better pick

Choose QuillBot when the job is rewording. If you constantly need to shorten a paragraph, make a sentence sound fluent, or summarize a block of text, QuillBot does that faster than Grammarly, and its Premium starts cheaper at $8.33/mo on annual. It's a rewrite tool — it won't watch over every document you type, but it's the cheapest way to get a high volume of paraphrasing done.

When Grammarly is the better pick

Choose Grammarly when you want the writing itself to come out cleaner, everywhere. It checks grammar, spelling, tone, and clarity in the app, in your browser, and in Word or Google Docs as you write. At $12/member/mo on annual it's a bit more than QuillBot, but it's a full assistant rather than a single rewording tool.

The verdict

Pick Grammarly if you want an always-on writing assistant that catches mistakes and tightens tone wherever you work. Pick QuillBot if your only need is to reword and summarize text, and you want that for the least money.

Heads-up: the price gap is narrower than it looks — Grammarly's free tier already covers basic grammar, while QuillBot's free tier is a small paraphrase allowance. Decide whether you need the rewording or the always-on checking before paying.

Sources

  1. QuillBot, official pricing page: quillbot.com/premium
  2. Grammarly, official pricing page: grammarly.com/plans

This comparison reflects feature sets and prices as of the last verification (2026-09-05). Prices change; confirm on the vendor page before buying. Commissions, if any, never influence which tool we name as the winner.