Quillbot vs Wordtune
A 2026 side-by-side comparison of Quillbot and Wordtune — pricing, key features, platforms, API access, and the trade-offs of each, based on data collected from their official sites.

Quillbot
Write, design, and create effortlessly with an AI-powered suite of writing and document productivity tools

Wordtune
Express yourself with confidence and take your writing productivity to new heights with AI.
Tagline
Write, design, and create effortlessly with an AI-powered suite of writing and document productivity tools
Express yourself with confidence and take your writing productivity to new heights with AI.
Pricing
Rating
Platforms
API
Open source
Description
Quillbot is an AI-powered writing and productivity suite that enables users to write with clarity, design visual elements, and manage document formats seamlessly. It offers a wide range of free and subscription tools, including a paraphraser, grammar checker, plagiarism checker, citation generator, and comprehensive PDF utility tools like splitting, removing, rearranging, rotating, and extracting pages.
Wordtune is an AI-powered writing assistant that helps you rewrite, paraphrase, and refine your text for clarity, impact, and authenticity. Developed by AI21 Labs, it offers advanced tools such as grammar checking, summarization, proofreading, and vocabulary enhancement, allowing you to easily adjust writing tones, translate text, and produce error-free content.
Key features
- Paraphraser
- Grammar Checker
- AI Detector
- Citation Generator
- Split PDF
- Remove PDF Pages
- Rearrange PDF Pages
- Rotate PDF
- Extract PDF Pages
- PPT to PDF Converter
- Content Certification
- Summarizer
- Sentence and paragraph rewriting
- Casual and formal tone adjustments
- Advanced AI proofreading and grammar checking
- Document and text summarization
- Text expansion and shortening
- Multi-language translation to English
- Vocabulary enhancements
- SAML SSO and centralized billing for teams
- Google Docs and Wordtune Editor integrations
Pros
- Provides a free Chicago Style Citation Generator to easily cite books, websites, journal articles, and other sources.
- Offers comprehensive online PDF tools to split, rotate, extract, and delete PDF pages without needing to install software.
- Features a PPT to PDF converter that accurately preserves original layouts, fonts, and styling elements.
- Allows users to verify human-written content and generate an embeddable Human Content Badge for transparency.
- No pricing or account registration is required to access primary PDF utilities like Split and Rotate.
- Retains original quality, formatting, images, and text during PDF rearrangement and extraction tasks.
- Multi-device accessibility allows the tools to be used directly in-browser on desktop, tablet, or mobile.
- Includes a wide variety of writing utility functions such as translation, summarization, and tone analysis.
- Offers a completely free basic plan with core rewrite and spelling corrections.
- Translates Spanish, Mandarin, Arabic, Hindi, Korean, Hebrew, Russian, German, French, and Portuguese into English.
- Allows switching between casual and formal writing tones with a single click.
- Checks at least 5 credible sources before presenting factual metrics and recommendations.
- Provides official web extensions for both Google Chrome and Microsoft Edge browsers.
- Available as a dedicated mobile application for iOS users.
- Offers a 30% discount on both monthly and annual plans for eligible students and educators.
- Supports safe team onboarding with SAML SSO and centralized administrative billing.
Cons
- No public API documentation or integrations are detailed or made available directly on the reviewed pages.
- Specific tier limits, benefits, and costs of the 'AI subscription' are not detailed on the homepage or about pages.
- The human content certification badge does not guarantee any boost or change in search engine rankings.
- No native offline desktop applications are referenced in the official portal's pages.
- No SOC2, ISO, or other enterprise-level security compliance standards are mentioned on the crawled pages.
- Paid premium subscriptions are completely non-refundable.
- Free accounts are strictly limited to 10 rewrites and AI suggestions per day.
- Tone-changing features (casual vs. formal) are missing entirely on free plans.
- The unique Spices feature is only available in Google Docs and the online Wordtune Editor.
- The free trial lasts only 3 days and requires users to enter payment details upfront.
Pricing plans
- BasicUSD0
- • Spelling corrections
- • Grammar checks
- • AI generations
- AdvancedUSD4.89/month
- • AI recommendations
- • Spelling corrections
- • Grammar checks
- UnlimitedUSD6.99/month
- • Vocabulary enhancements
- • Clarity improvements
- • Fluency increases
- • Premium support
Which one should you pick?
- Choose Quillbot if you need Paraphraser.
- Choose Wordtune if you need Sentence and paragraph rewriting.
- On budget: Quillbot is freemium, Wordtune is freemium.