H
HReadability editor that flags wordy, unclear writing and offers AI fixes
From $8.33/mo
LanguageTool vs Wordtune
Pricing, features, platforms and who each one suits — side by side.
L
Choose LanguageTool if…
- you need an API to build on
- you want open source you can self-host or audit
- you work on Windows, macOS
- you're in its core audience: students, professional writers
W
Choose Wordtune if…
- you're in its core audience: students, professionals
Side by side
Feature LanguageTool Wordtune
Pricing modelFreemiumFreemium
Starting price—$4.89/mo
Free plan
Free trial
API
Open source
Trains AI on your contentNo—
Data retention—Personal Information stored until AI21 deletes it or a valid deletion request
Security and complianceGDPR—
Tone adjustment—
Non-English checking—
Word/Google Docs add-in—
Browser extension—
Custom style guide—
PlatformsWeb, Chrome, Windows, macOS, iOS, APIWeb, Chrome, iOS
CategoryGrammar & ProofreadingParaphrasing & Rewriting
CompanyLearneo, Inc.AI21 Labs Ltd.
Based inUnited States—
Founded2003—
Part of——
Key features
L LanguageTool
- Grammar, spelling, punctuation and style checking
- AI sentence paraphrasing in several tones
- Support for 30+ languages and dialects
- Browser add-ons for Chrome, Edge, Firefox, Opera, Safari
- Plugins for Google Docs, Word, Pages, LibreOffice
- Personal dictionary and Picky Mode
- Team style guides and shared dictionaries
- Proofreading API with daily call-limit plans
W Wordtune
- Contextual rewrite and paraphrase suggestions
- Tone switching between formal and casual
- Grammar and spelling correction
- Shorten or expand sentences
- Summarize articles, documents, webpages and YouTube videos
- Smart Translate into English from 10 languages
- Humanize AI-generated text
- Fact-checking against at least five sources
Plans and prices
From each vendor's site. Prices change — confirm before buying.
LanguageTool
BasicFree
PremiumPrice not shown on page
TeamsPrice not shown on page
BusinessCustom
Wordtune
BasicFree
Advanced$4.89/mo billed annually ($6.99 list)
Unlimited$6.99/mo billed annually ($9.99 list)
Strengths and limitations
LanguageTool
- Free Basic plan is available
- Supports 30+ languages and dialects
- Many integrations, including browsers, office suites and email clients
- Source code is published on GitHub
- Free plan is limited to 2,000 characters per text field
- Free plan allows only 3 AI rephrasings per day
- Prices did not display on the pricing pages
- Outlook add-on is still in beta
Wordtune
- Free plan includes 10 rewrites per day and unlimited grammar checks
- Available as Chrome and Edge extensions and as an iOS app
- Paid plans include a 3-day free trial
- Summarizes YouTube videos and webpages as well as text
- Free plan limited to 3 summarizations per month
- Discounted prices require annual billing
- No Android app or public API listed
- SAML SSO and centralized billing are not included in any listed plan
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Built from each vendor's public website; we haven't tested them hands-on. Editorial policy