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QuillBot vs Turnitin Report

Bottom line

QuillBot has a free plan plus paid upgrades, while Turnitin Report is paid.

Which one should you try?

QuillBot

Freemium

Best for Students and academics requiring writing improvement and plagiarism detection

Visit QuillBot See full review

Turnitin Report

Paid

Best for Students and educators

Visit Turnitin Report See full review

Pricing, capabilities and platforms side by side. Prices are as of the "Pricing checked" date in the table.

QuillBot

QuillBot

The platform bundles a paraphraser, grammar checker, AI detector, plagiarism checker, humanizer, summarizer, translator, citation generator, image generator, and PDF tools under one login, with a Chrome and Edge extension that follows you outside the platform. The free tier is real and permanent — no expiry, no card required — but the features that matter most for professional use, specifically advanced writing recommendations and full plagiarism checking, are paid-only. The paraphrasing and grammar tools are where QuillBot built its reputation; the image generation and presentation tools are newer additions that the vendor positions as a full creative suite but that community reports suggest are thinner than the writing core. No API is available, so you cannot embed any of this into your own product pipeline — every workflow runs through their UI or extensions.

Turnitin Report

Turnitin Report

Paste your essay and the tool returns an overall AI-likeness score plus paragraph-level notes flagging sections that read as generic, repetitive, or mechanically structured. No account required. The report-style output goes further than a raw percentage — it names the specific signal types driving the score, so you know whether the problem is sentence rhythm, transition overuse, or missing specific evidence. The ceiling hits fast: there is no API, no batch processing, and no way to integrate this into an LMS or writing workflow. For a student running a single draft before submission, that is fine. For an instructor processing thirty papers, it is a bottleneck.

AttributeQuillBotTurnitin Report
PricingFreemiumPaid
Price$19.95/month or $99.95/year (Premium); Free tier available$3.59/mo
Pricing checkedNot checked yetOct 22, 2026
Free trialNot statedNot stated
Open sourceNoNo
Has APINoNo
Self-hosted optionNoNo
PlatformsWeb (quillbot.com), Chrome extension, Edge extension, Safari extension, Microsoft Word add-in, macOS desktop app, Windows desktop app, iOS app, Android appWeb
Released2017—
Pros
  • Permanent free tier with no credit card required, so teams can evaluate the paraphraser and grammar checker against real documents before committing budget.
  • Browser extensions for Chrome and Edge surface the grammar and paraphrasing tools inline on any webpage, which means you skip the copy-paste loop every time you write outside the platform.
  • A unified workspace covering writing, originality checking, translation, summarization, and image generation under one login, so you stop maintaining separate accounts across five category-specific tools.
  • AI Detector and Plagiarism Checker in the same dashboard as the writing tools, which means educators and content teams can run both checks without switching platforms mid-review.
  • Translation and Humanizer tools in the same environment as grammar and paraphrasing, so non-native English writers can move from a translated draft to a polished, natural-sounding output without leaving the workspace.
  • No account required to run a check, so there is no friction between finishing a draft and getting a read on it — which matters when submission is twenty minutes away.
  • Paragraph-level signal notes rather than a single percentage, so you can target the three paragraphs that are pulling your score up instead of rewriting an entire essay blind.
  • Six named signal categories (sentence flow, transition overuse, generic language, etc.) give you a concrete rewrite checklist rather than leaving you to guess what 'AI-like' means in practice.
  • Essay-focused scope — the tool is built for academic formats like research papers, discussion posts, and case studies, so the signal interpretation is calibrated for that register rather than generic text.
Cons
  • No API and no self-hosted option — any workflow that needs to call QuillBot from a CMS, automate checks at publishing time, or embed the tools in a product hits a hard wall immediately. Teams with that requirement switch to providers like OpenAI or Grammarly Business, which expose programmatic access.
  • Advanced writing recommendations and full plagiarism detection are paid-only features, which means the free tier is adequate for casual rewrites but falls short for the academic integrity and professional polish use cases the platform is explicitly marketed toward — users discover this ceiling only after building a workflow around the free tools.
  • The image generation, presentation creation, and visual editing tools are additions to a platform built around text; community feedback consistently describes the writing core as the defensible product, and teams with serious visual production needs find the image tools insufficient compared to dedicated generators.
  • Team collaboration features are gated behind a paid plan, so organizations trying to enforce shared grammar and style standards across a group cannot use the platform without paying — the free tier is strictly single-user in practice.
  • No batch processing: every document requires a manual paste-and-submit cycle. An instructor reviewing a class set of thirty assignments cannot run these in parallel or queue them — the tool is a one-at-a-time interface, full stop. Teams with volume needs move to API-accessible detectors or institutional Turnitin licenses that handle uploads at scale.
  • No API and no integration path, which means this tool sits outside every LMS, writing platform, or editorial workflow. Any team that needs detection embedded in a submission pipeline — rather than as a manual side step — has to abandon this and look at tools that expose an endpoint.
  • The vendor is explicit that the score is an estimate and 'not a final judgment.' That framing is accurate, but it means the output cannot be used as authoritative evidence in academic integrity decisions. Institutions that need defensible, documented detection results with known false-positive rates need a different tool — typically a platform-level Turnitin subscription, not this free checker.

Made up your mind?

QuillBot

Freemium

Best for Students and academics requiring writing improvement and plagiarism detection

Visit QuillBot See full review

Turnitin Report

Paid

Best for Students and educators

Visit Turnitin Report See full review

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Specs come from each tool's own site and docs (how we test). AIDiveForge is editorially independent.

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