QuillBot vs AI Reply Writer: paraphrasing tool or AI reply writer?
QuillBot vs AI Reply Writer: a paraphraser and grammar checker for students and writers, versus an AI reply button for email, chat, social and reviews.
QuillBot is a paraphrasing and grammar tool: it rewrites text in different modes, checks grammar, summarises and translates — popular with students and writers. AI Reply Writer is a reply tool: it reads the message you are answering and drafts the reply inside the app, on 23 sites. Choose QuillBot for rewriting and checking your own text; choose AI Reply Writer for answering emails, chats, comments and reviews quickly.
At a glance
| QuillBot | AI Reply Writer | |
|---|---|---|
| What it is | A paraphrasing, grammar, summary and translation toolkit | An AI reply writer: a ✦ AI Reply button inside the reply box |
| Where it works | Its website, plus a browser extension for text you write online | 23 sites, including Gmail, Outlook, LinkedIn, WhatsApp Web, Instagram, Facebook, Slack and Teams |
| Reads the conversation | Works on the text you give it | Yes — the thread you have open, plus photos and PDFs in Gmail, Outlook and WhatsApp Web |
| Review replies | Not a focus of the product | Yes — Google Business Profile and Trustpilot, reading the star rating |
| Free plan | Yes — grammar checks and limited paraphrasing | 20 replies a month |
| Paid plans | A Premium plan — see their pricing page | Starter $7, Elite $14, Ultra $29 a month |
| Browsers and phone | Browser extensions and a web app | Chrome, Edge, Brave, Opera, Vivaldi and Firefox; a web app on phones |
| Sends anything for you? | No — you write and send | Never — it fills the box, you press Send |
What QuillBot is
QuillBot made its name as a paraphraser: paste a passage and rewrite it in a chosen mode — fluent, formal, simple, shorter and more. Around that it has grown a grammar checker, a summariser, a translator and a citation generator. Its browser extension brings the grammar checker and paraphraser to text you write on the web. Premium unlocks more modes and longer inputs.
It is especially popular for study and long-form writing.
What AI Reply Writer is
AI Reply Writer is for conversations rather than documents. Its ✦ AI Reply button sits in the reply box of Gmail, Outlook, LinkedIn, WhatsApp Web, Instagram, Facebook, Slack, Teams, Google Business Profile and more — 23 sites in all — reads the message you are answering, and writes the reply.
- Understands who you are answering: in a group chat, the person whose message you replied to.
- Reads attachments — photos and PDFs — in email and WhatsApp Web.
- Writes in the sender's language, including Roman Urdu and Roman Hindi.
The main differences
Documents vs conversations
QuillBot works on a piece of text: improve it, shorten it, check it. AI Reply Writer works on a conversation: understand it, answer it. Students and writers tend to need the first; anyone with a busy inbox or customer chats needs the second.
Where it appears
QuillBot's extension follows you to text boxes; AI Reply Writer is built into each supported app's reply box, which is how it knows the conversation it is answering.
Using both
They can sit side by side: QuillBot for essays and reports, AI Reply Writer for replies.
Pricing
QuillBot has a free plan and a Premium plan; its current prices are on its website.
AI Reply Writer has a free plan with 20 replies a month, no card needed. Paid plans are Starter ($7 a month), Elite ($14) and Ultra ($29); higher plans unlock more advanced AI models and larger allowances, and teams can buy the same plans per member. See pricing.
Which should you choose?
- Choose QuillBot for paraphrasing, grammar checks, summaries and translation of your own writing.
- Choose AI Reply Writer for drafting replies to emails, chats, comments and reviews in the apps you use.
About this comparison: it is based on each product's public information as of October 2026, and both products change often — check the other product's own website for its current features and prices before you decide. Product names are trademarks of their owners; AI Reply Writer is not affiliated with them.
Frequently asked questions
What is the difference between QuillBot and AI Reply Writer?
QuillBot rewrites, checks and summarises text you give it. AI Reply Writer drafts replies from the conversation you are answering, inside the reply box of many apps.
Can QuillBot write email replies?
QuillBot can rewrite and improve a reply you have written. AI Reply Writer writes the reply itself from the email thread.
Is there a QuillBot alternative for replying to customers?
AI Reply Writer is built for customer replies on WhatsApp Web, Instagram, Facebook, Gmail and review sites, with a free plan.
Which is better for students?
For essays and assignments, QuillBot. For answering email and messages quickly, AI Reply Writer.
