QuillBot vs Word Spinner

Two fact sheets from our own research, side by side — pricing, platforms, API access and status re-checked by us rather than quoted from the vendors.

The short answer

Cheaper paid plan: Word Spinner — $9/mo vs $19.99/mo for QuillBot
Free plan: Both have one
Higher Trust score: QuillBot — 93 vs 72 for Word Spinner
Best fit: QuillBot: Students and non-native writers rewording essays and emails sentence by sentence · Word Spinner: Editing machine drafts into copy that reads naturally
Platforms: QuillBot: Web, Chrome extension, Windows, macOS, iOS, Android · Word Spinner: Web, Chrome extension

From our own records as of each tool's last check. Anything we have not confirmed is left out rather than guessed. How we verify

QuillBotParaphrasing, summarising and citation tools for students

Word SpinnerRewrites machine-written text to read as human and ships its own detector so you can check the result before you submit it.

Side by side

Fact	QuillBot	Word Spinner
Category	Paraphrasing & Rewriting	AI Detection & Humanizers
Pricing model	Freemium	Freemium
Starts at	$19.99/mo	$9/mo
Trust score	93 / 100	72 / 100
Platforms	Web, Chrome extension, Windows, macOS, iOS, Android	Web, Chrome extension
Company	Learneo, Inc.	—
Last verified	Sep 6, 2026	Sep 6, 2026

What our research says

QuillBot

QuillBot remains the fastest way to reword a paragraph you have already written, and the free tier is enough for occasional use; Premium at roughly $8 to $20 a month depending on term buys the extra modes, longer inputs and the plagiarism checker that students actually want. Against a general chatbot it wins on speed and a purpose-built interface, not on writing quality, and against Grammarly it is cheaper but narrower.

Pros

Free tier includes grammar checking, two paraphrase modes, translation and AI detection
Extensions and apps for Chrome, Windows, macOS, Safari, iOS and Android keep it inside the writing surface
Paraphrase modes and a synonym slider give more control than a one-shot rewrite prompt
Backed by Learneo, a large education group, rather than an anonymous operator

Cons

Month-to-month Premium is about 2.4 times the annual rate, so the headline low price assumes a year up front
The site blocks automated access, so none of the figures here come from its own pricing page
The App Store listing itself disagrees on how many Premium paraphrase modes exist (8 versus 10+)
The heavy student use and the AI detector attract academic-integrity scrutiny that can rebound on users

Word Spinner

Pairing the humanizer with a detector in one product is the sensible arrangement — you rewrite, then check, without paying two vendors. The 100-language coverage and the in-place Chrome extension are genuine conveniences. The category itself is the problem: detector scores from the same vendor that sold you the rewrite are not independent evidence, and detection tools change faster than any humanizer keeps up with.

Pros

Humanizer and detector in a single subscription
Tone controls and a grammar pass alongside the rewrite
Around 75 templates for blog, email and social formats
Chrome extension rewrites in place
About 1,000 free words with no card before committing

Cons

The bundled detector is not independent verification of the bundled rewriter
Pricing page renders nothing to a crawler, so figures come from third-party listings
No API and no bulk workflow
No company name or country published anywhere

Which one fits

Choose QuillBot if you need

Students and non-native writers rewording essays and emails sentence by sentence
Anyone who wants grammar, paraphrase, summary and citation tools in one browser extension
Occasional users, since the free tier handles short rewrites without an account upsell wall

Choose Word Spinner if you need

Editing machine drafts into copy that reads naturally
Multilingual rewriting across 100+ languages
Rewriting inside another site via the browser extension