Skip to content

QuillBot vs Smodin (2026): which should you pick?

As of Nov 12, 2026, QuillBot grades higher than Smodin: 2.8 against 1.8 out of 4.0.

Checked Oct 5, 2026 and Nov 12, 2026 · graded Oct 10, 2026 and Nov 12, 2026 by ToolGPA

QuillBot grades higher on the free plan, features, ease of use and platforms. They get the same grade on value for money.

Price, platforms and features side by side. The table says where each price was read and when.

QuillBot

AI paraphraser with grammar, summarizing and AI-detection tools

Free plan · from $8.33/mo

Smodin

AI writer, detector, humanizer and plagiarism checker

From $10/mo

Which one is for you

Pick QuillBot if

  • Fits if you often need to reword or shorten something that's already written
  • Works for people who want paraphrasing, grammar and citations under one login

Look elsewhere if

  • Tight if you're staying free, since it rewords at most 125 words at a time in 2 modes and summarizes up to 1,200
  • Pricey if you pay month by month, which the iOS app lists at $19.99
  • Skip it if you need lots of plagiarism checking, as that's Premium only and stops at 25,000 words a month
  • Watch out: the site says free limits may vary across platforms, and Premium summaries stop at 6,000 words
  • Watch out: the Team plan is billed every 12 months and starts at 2 seats

Pick Smodin if

  • Fits if you want writing, rewriting and plagiarism checks under one login
  • Works for students who check essays before submitting

Look elsewhere if

  • Skip it if you want to try it first, as no free plan or trial is stated
  • Not for you if refunds matter, because every purchase is non-refundable
  • Tight if you're on Starter, which limits writing output and leaves out the Chrome extension
  • Watch out: using the humanizer can go against school or workplace rules

How we grade them

2.8GPAQuillBotGood1.8GPASmodinWeak
Value for money
CPremium is $8.33 a month billed annually, which is exactly the middle for writing tools, and one account covers every tool on up to 10 devices. Monthly billing is another story: the iOS app lists it at $19.99.
C$10 a month on yearly billing, $12.99 monthly. Premium is $16 yearly. Both sit around the middle of what writing tools charge, which is $9.95.
Free plan and trial
CFree for good, but in small bites, and the caps are ones you'll hit: paraphrasing 125 words at a time in 2 modes, basic grammar fixes, summaries of up to 1,200 words, and limited goes on the Humanizer, AI Detector and AI chat.
FThe pricing page states no free plan and no trial, and the FAQ says subscriptions are non-refundable.
Features
BIt covers the whole job of a rewriting and checking kit: a paraphraser with 9 modes plus custom ones of your own in 23 languages, a grammar checker, a summarizer, a translator for more than 40 languages, an AI detector, a humanizer, plagiarism checks and a citation generator.
CMany tools in one place. Writing output is limited on Starter and the Chrome extension is Premium only.
Ease of use
BNo store rating on record, so we go on the listing: paste text, pick a mode, read the new version, with nothing to set up, and the extensions and keyboards put it where you already type. The free plan lets you try that before paying.
CNo store rating on record. It's a web account with several separate tools to learn.
Platforms and integrations
AWeb, Mac and Windows apps, iPhone and Android apps and keyboards, plus Chrome, Edge and Safari extensions and a Word add-in. Every device type covered and places to plug into, which is rare in this category. Premium runs on up to 10 devices at a time.
BWeb, a Chrome extension on Premium only, and a Google Docs connection.
Best forrewording text you've already writtenstudent writing tools bundled on one plan

The GPA is the average of the five grades: an A is 4 points, an F is none. The full reasons are on each tool's page: QuillBot and Smodin. How we grade

Price against what you get

QuillBot starts at $8.33 a month and scores 3.3 out of 4 on features, ease of use and platforms. Smodin starts at $10 a month and scores 2.3.

QuillBot scores higher and starts $1.67 a month lower. Of the other writing tools on the chart, none scores higher than QuillBot for less, and 23 score higher than Smodin for less.

Features, ease of use and platforms, averaged

D1.0C2.0B3.0A4.0Free$0.5$1$2$5$10$20$50$100More for lessCosts more, scores moreCosts less, scores lessCosts more, scores lessQuillBotSmodin

What paid plans start at, a month (each step along is roughly double) →

  • The best score at each price
  • Has a free plan
  • No free plan
The full chart of writing tools, and the best at every price

Where they differ

  • QuillBot also covers citations and grammar & style.
  • Smodin also covers long-form writing.
In commonWebBrowser extensionAI featuresChat assistant

At a glance

QuillBotSmodin
PricingFree planPaid
Starts at$8.33 per month, billed annually (Premium)$10 per month, billed annually ($12.99 billed monthly)
Free planParaphrase up to 125 words in 2 modes, basic grammar fixes, summaries of up to 1,200 words, and limited use of the Humanizer, AI Detector and AI chat. Limits may vary across platforms.None
Free trialNone listedNone listed
Web
macOS
Windows
iOS
Android
Browser extension
Made byLearneo, Inc.Smodin LLC
Price read fromweb.archive.org (not the vendor's own page)smodin.io
CheckedOct 5, 2026Nov 12, 2026

Worth knowing

QuillBot

  • The free plan paraphrases at most 125 words at a time and offers only the Standard and Fluency modes.
  • Free summaries are capped at 1,200 words; Premium raises the cap to 6,000.
  • Plagiarism checking is a Premium feature and is limited to 25,000 words a month.
  • The pricing page leads with annual billing at $8.33 a month; the iOS app lists monthly billing at $19.99.

Smodin

  • The pricing FAQ says all subscription purchases are non-refundable.
  • No free plan or trial is stated on the pricing page; both plans are paid.
  • Writing output is limited on Starter, and the Chrome extension is Premium only.
  • Tools that help text bypass AI detectors may breach school or workplace rules.

Key features

QuillBot

Paraphraser
Rewords text in built-in modes: Standard and Fluency on the free plan, 9 modes plus unlimited custom modes on Premium. It paraphrases in 23 languages.
Grammar Checker
Fixes basic grammar errors on the free plan and adds advanced writing suggestions and tone insights on Premium. Grammar correction covers 6 languages.
AI Detector and Humanizer
The AI Detector flags AI-generated content, and the Humanizer rewrites text so it reads more naturally. Free use of both is limited; Premium gives full access.
Summarizer and Translator
Summarizes up to 1,200 words on the free plan and 6,000 on Premium, which adds custom summaries. The Translator covers more than 40 languages.
Plagiarism and citation tools
Premium scans up to 25,000 words a month for accidental plagiarism, and the Citation Generator formats references in APA, MLA and Chicago styles.
Extensions and apps
Chrome, Edge and Safari extensions, a Word add-in, macOS and Windows apps, and iOS and Android keyboards and apps. Premium runs on up to 10 devices at a time.

Smodin

AI writer and chat
Writes essays, summaries and rewrites from prompts, and a chat assistant answers questions. Premium adds extended chat memory.
AI content detector
Checks whether text is likely AI-generated. The vendor says its detector covers 100 or more languages.
AI humanizer
Rewrites text to read as human-written, with AI Extra and Plagiarism modes. The FAQ calls detection removal about 80% consistent.
Plagiarism checker
Scans text against web and academic sources and reports similarity; Premium runs advanced scans across a whole document.
Rewriter, summarizer and translator
Extra tools for rewording, summarizing and translating text, plus a Chrome extension on Premium for Google Docs and the browser.

Plans

QuillBot

  • Free$0

    Paraphrase up to 125 words in 2 modes, fix basic grammar errors, summarize up to 1,200 words, and use the Humanizer and AI Detector with limits.

  • Premium$8.33

    per month, billed annually

    Full paraphrasing in 9 modes plus custom modes, advanced grammar suggestions, 6,000-word summaries, the full AI Detector and plagiarism checks on 25,000 words a month.

  • Team Plan$7.50

    per seat / month, billed every 12 months ($89.95), for 2-10 seats

    All Premium features plus writer-management dashboards and centralized billing. $6.66 a seat for 11-50 seats and $5.83 for 51 or more.

Smodin

  • Starter$10

    per month, billed annually ($12.99 billed monthly)

    All tools with standard detection, humanizing, plagiarism scans, writing and chat, and limited writing output.

  • Premium$16

    per month, billed annually ($19.99 billed monthly)

    Premium models, advanced detection and humanizing, unlimited writing output, extended chat memory and the Chrome extension.

Ways to pay less

QuillBot

  • Annual discount

    Annual billing marked as 58% off

    The pricing page labels annual billing 58% off the monthly rate, which brings Premium to $8.33 a month. In the iOS app the plans are $99.99 a year or $19.99 a month.

  • Other savings

    Team seats cost 10% to 30% less

    Team plans are $7.50 a seat per month for 2-10 seats, $6.66 for 11-50 and $5.83 for 51 or more, billed every 12 months and labeled as 10%, 20% and 30% savings.

Smodin

  • Annual discount

    Save 20% with annual billing

    The pricing page says annual billing saves 20% against monthly, and shows a site-wide Black Friday banner for annual plans.

Common questions

Which is cheaper, QuillBot or Smodin?

As of Nov 12, 2026, QuillBot is cheaper to start with: $8.33 a month, against $10 a month for Smodin. QuillBot starts at $8.33 per month, billed annually (Premium), and Smodin starts at $10 per month, billed annually ($12.99 billed monthly).

Which has a free plan, QuillBot or Smodin?

As of Nov 12, 2026, only QuillBot has a free plan. Smodin does not.

Which platforms do QuillBot and Smodin run on?

As of Nov 12, 2026, only QuillBot lists macOS, Windows, iOS and Android apps. Both list a web app and a browser extension. A platform missing from a listing is one its maker's pages did not mention.

More comparisons

How this page was made

  • The verdict at the top follows a fixed rule. When both tools are in the same category and either is in our top three for it, the verdict follows that ranking: the higher-placed tool is our pick. The top three weigh who each tool suits as well as its grades, so a pick can go against the GPA. Otherwise the page does not pick one and says which grades higher: the higher GPA first; on a tie, the one with a free plan, then the one that starts cheaper in dollars a month, counted the same way for both; if they are still level, what the choice depends on.
  • The grades are our own, from each tool’s review or report card. The GPA is their average.
  • Prices, plans and platforms come from each tool’s listing. The table above says where each price was read and when.
  • The differences and the answers to the questions are worked out from those listings.
How we review and grade