Linguix

Linguix is an AI writing assistant that checks and reshapes text across browsers, apps and mobile devices. It fits individual writers who want more than grammar correction, as well as teams standardizing customer-facing copy. The free tier is useful for routine checks; the paid choice makes most sense when advanced rewriting or shared team controls justify annual billing.

Overview

Linguix combines grammar and spelling checks with AI suggestions, paraphrasing, rewriting and typing shortcuts. Tone detection and clarity guidance address how a message sounds, not only whether it is technically correct. Its Content Quality Score examines sentence length, vocabulary complexity and passive voice, giving writers a structural review alongside line edits. Those signals can improve a draft’s readability, but they still require a human decision about meaning and audience.

Support covers English, Spanish, Portuguese, German, French and Polish. Linguix says the product began as a Chrome extension in 2018; it now offers web, Android, iOS, browser extensions and an API.

Key features

The Free plan provides grammar and spelling checks, basic AI suggestions, limited paraphrasing, typing shortcuts and a browser extension. It is a sensible zero-cost option for occasional correction and short rewrites. The limited paraphrasing allowance, however, makes it a poor fit for users who routinely rework long passages.

Pro expands correction to advanced grammar and style suggestions and adds AI-powered writing help, advanced paraphrasing and rewriting, unlimited typing shortcuts, clarity and tone suggestions, and priority support. This is the individual tier for writers who need repeated rewriting and more nuanced style feedback rather than just error spotting.

Business gives each teammate Pro capabilities plus shared style guides and team shortcuts, team analytics, centralized billing and team management. Those controls are relevant to Marketing, Sales, HR and Customer Support groups that need consistent language and visibility across contributors. Linguix Business requires at least two seats, although seats can be managed at any time.

Integrations include Gmail, Outlook, Google Docs, Google Sheets, Slack, Notion, Zendesk, HubSpot, Salesforce and WordPress. Extensions are listed for Chrome, Firefox, Edge, Safari, Opera and Brave, which makes Linguix practical when work moves between browser-based services.

Pricing

The headline starting price is $11.67/mo on annual billing, corresponding to Pro’s $140 yearly charge. Pro subscribers may cancel at any time, with access continuing through the current billing period. New purchases have a 10-day money-back window, while subscription renewals are non-refundable. Business’s two-seat minimum means the advertised per-member rate is not a single-user price; it is aimed at small teams prepared to buy at least two seats.

Platforms

Linguix is available on web, Android and iOS, through an API and as a browser extension. Browser coverage includes Chrome, Firefox, Edge, Safari, Opera and Brave. The integration list spans email, office documents, chat, support desks, CRM systems and WordPress, so its value is highest for people who write inside those services rather than in an isolated editor.

Who it's for

Choose Linguix Free for light, multilingual grammar checking and basic suggestions without a subscription. Pro suits a frequent individual writer who will use advanced paraphrasing, rewriting, tone guidance and unlimited shortcuts enough to warrant an annual payment. Business is the better fit for a two-person-or-larger Marketing, Sales, HR or Customer Support group that needs shared rules, usage insight and centralized administration. Writers wanting only occasional corrections may find Pro’s annual commitment unnecessary.

Pros and cons

• Pros: Combines correction, rewriting, paraphrasing, tone and clarity guidance in one workflow.
• Pros: Supports six languages and a broad set of browser extensions and workplace integrations.
• Pros: Business adds shared style controls, analytics and centralized management rather than merely duplicating individual accounts.
• Cons: Free paraphrasing is limited, reducing its usefulness for substantial rewriting.
• Cons: Pro is billed annually, and Business requires a minimum of two seats.
• Cons: Renewal payments are non-refundable even though new purchases qualify for a 10-day money-back window.

Alternatives

For a wider comparison of AI-focused tools, see AI Grammar Checkers; the broader Grammar checkers list is useful when conventional correction matters more than generative rewriting.

Harper is a free, open-source checker with local processing, making it preferable when offline-oriented, privacy-conscious correction matters more than Linguix’s AI and team features.

QuillBot is another freemium option focused on paraphrasing, with a free allowance of up to 100 words and two modes; choose it when that narrower rewriting workflow fits better.

GrammarCheck.ai offers a free plan with 5,000 credits and a 650-word submission cap, useful when explicit per-submission limits suit your budget planning.

LanguageTool is a freemium grammar checker with browser and desktop coverage.

Grammalecte is free, open-source software dedicated to French grammar and typography correction.

Outwrite provides a free tier with spelling, grammar, thesaurus, Google Docs, Microsoft Word, browser extensions and a web app.

Sapling is a freemium writing tool with API, extension and self-hosted options.

Scribens offers a free edition capped at 8,000 characters per day and a premium tier with larger monthly and per-check allowances.

Verdict

Linguix is a strong choice for writers who want correction plus paraphrasing, tone and clarity assistance across the services they already use, and for small teams that need shared style governance. Look elsewhere if you need a purely free, open-source checker, a single-seat team plan, or you are unwilling to commit to annual Pro billing.