P
POnline AI paraphrasing tool with multiple rewriting modes in 20+ languages
Free, from $3.96/mo
WordAi vs Wordtune
Pricing, features, platforms and who each one suits — side by side.
W
Choose WordAi if…
- you need an API to build on
- you're in its core audience: seo publishers, content marketers
W
Choose Wordtune if…
- you want a free plan to start with
- you want the lower entry price ($4.89/mo vs $9/mo)
- you work on Chrome, iOS
- you're in its core audience: students, professionals
Side by side
Feature WordAi Wordtune
Pricing modelFree trialFreemium
Starting price$9/mo$4.89/mo
Free plan
Free trial
API
Open source
Cost per 1,000 words rewritten$0.34—
Data retention—Personal Information stored until AI21 deletes it or a valid deletion request
Tone/style modes—
Humanize AI text
Summarizer—
Bulk rewriting—
Non-English languages—
PlatformsWeb, APIWeb, Chrome, iOS
CategoryParaphrasing & RewritingParaphrasing & Rewriting
CompanyCardinell Enterprises LLC dba CortxAI21 Labs Ltd.
Based inUSA—
Founded——
Part of——
Key features
W WordAi
- Sentence restructuring and splitting
- Adjustable creativity level
- Up to 1,000 rewrites per article
- Bulk rewriting and bulk export, including spintax
- HTML support and code view
- Spelling and grammar fixes
- Article Forge integration for importing articles
- API for adding rewriting to workflows
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.
WordAi
Starter$17/mo or $9/mo billed annually
Power$57/mo or $27/mo billed annually
EnterpriseCustom
Wordtune
BasicFree
Advanced$4.89/mo billed annually ($6.99 list)
Unlimited$6.99/mo billed annually ($9.99 list)
Strengths and limitations
WordAi
- Annual billing cuts the price to $9/mo for Starter
- 3-day free trial plus a 30-day money-back guarantee
- API access on the Starter and Power plans
- Power plan includes 3,000,000 rewrite words a month
- No free plan, only a time-limited trial
- Refund applies only if you have rewritten fewer than 10 articles
- No desktop or mobile apps listed
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