Wordtune

Writing & Content

AI21 Labs

Freemium

About

AI21 Labs' AI English rewriting assistant: multiple rewrite suggestions, tone switching, shorten/expand, summaries and AI generation in one, available everywhere via Chrome extension and iOS keyboard — free tier offers 10 rewrites/day, Unlimited works out to $6.99/month billed annually

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Our Verdict

Worth Trying

The best pure rewriter for English — mind the renewal terms

Wordtune has resisted the temptation to become everything, and that discipline shows. Its one core trick — rewriting your sentence several ways while keeping the meaning — is still the best-executed version of that idea on the market, and the casual/formal/shorten/expand controls make it a genuinely fast email companion. ESL professionals in particular get outsized value: the output reads like a fluent colleague rewrote it, not a thesaurus. The catch is the business model around that quality. The free tier's 10 daily rewrites are a taste, not a tool; even paid Advanced keeps daily caps, pushing serious users to Unlimited. And while its Trustpilot score (~4.1) is unusually healthy for this category, BBB complaints about auto-renewal plus an explicit no-refund policy mean you should treat the 3-day trial and renewal dates with care — set a reminder before subscribing annually. If you write mostly in English and want surgical rewriting rather than a full suite, Wordtune earns its place; if you need grammar depth, plagiarism checks or multilingual support, suite rivals give you more per dollar.

Best for

•ESL professionals polishing emails, messages and reports in English
•Writers who want multiple phrasings to choose from, not one AI voice
•Anyone living in Gmail/LinkedIn who wants rewriting one click away

Consider alternatives if

•You want cheap unlimited paraphrasing plus grammar and translation (→ QuillBot)
•You need always-on correction across every app and platform (→ Grammarly)

Try Wordtune

Supported Platforms

Web AppiOSBrowser Extension

Available platforms include Web App, iOS, and Browser Extension.

Key Features

Rewrite with multiple suggestions per sentence, keeping your original meaning

Tone switching between casual and formal, plus shorten and expand controls

AI generation: continue writing, spices like examples, counterarguments and statistics

Summarizer for articles, PDFs and YouTube videos

Grammar and spelling correction built into every rewrite

Chrome extension and iOS keyboard bring it to Gmail, LinkedIn, docs and chat apps

Pricing

free

The Basic plan is free with 10 rewrites and AI suggestions per day, 3 AI summaries per month and unlimited spelling corrections.

paid

Advanced is $6.99/month ($4.89/month billed annually) with 30 rewrites per day; Unlimited is $9.99/month ($6.99/month billed annually) with unlimited rewrites and summaries. 3-day free trial; note the official FAQ states no refunds. (Verified against the official plans page, 2026-07-30.)

Use Cases

Polishing work emails and LinkedIn messages so they land with the right tone

ESL professionals making their English sound natural and fluent

Rewriting sentences several ways to escape writer's block

Summarizing long articles and videos before deciding what to read

Pros

Rewrite quality for English is among the best — meaning is preserved, phrasing improves

Multiple suggestions per sentence let you pick a voice instead of accepting one output

Tone, shorten and expand controls are fast and genuinely useful for email work

Trustpilot rating is healthy (around 4.1/5), rare in this category

Cons

BBB shows recurring auto-renewal and refund complaints, and the official FAQ states no refunds — cancel before renewal or the trial ends

The 10-rewrites/day free tier is a demo; daily caps persist even on the paid Advanced plan

English-only rewriting — little help if you write in other languages

Feature set is narrower than suite rivals at a similar or higher effective price

Latest Update

2026: Wordtune, from AI21 Labs, keeps sharpening its rewrite-first focus — refreshed plans (Advanced/Unlimited), stronger AI suggestions and summaries, and continued investment in the Chrome extension and iOS keyboard rather than chasing a full writing suite.