Natural Write: Grammar Checker

New: the NaturalWrite keyboard rewrites your English right inside any app — Messages, Mail, WhatsApp, Instagram. Fix grammar and tone in a tap, no copy-paste.

NaturalWrite is a free AI grammar checker and keyboard that makes your English sound natural, instantly.

Paste anything you've written — an email, a message, a LinkedIn post — and get back text that reads like a native speaker, in seconds. Or use the NaturalWrite keyboard to rewrite your English right inside any app, without copy-paste. See exactly what changed, then fine-tune the tone with a single tap.

THE NATURALWRITE KEYBOARD • Rewrite your English in any app — Messages, Mail, WhatsApp, Instagram, and more • Type as usual, tap Rewrite, and your text is replaced with natural, fluent English • Pick a style — natural, professional, friendly, concise, or polite • No copy-paste, no switching apps

WHY NATURALWRITE • Sound fluent everywhere you write — emails, messages, LinkedIn, captions, replies, DMs • Fix grammar and awkward phrasing without losing your voice • See a clear before/after diff and understand every change • Refine instantly: shorten, simplify, or make it more natural, professional, friendly, confident, or polite

BUILT AROUND YOUR PRIVACY • No account required — just open the app and start writing • Your text is sent for rewriting, then forgotten • Fast and private

NATURALWRITE PRO Unlock unlimited rewrites with a 3-day free trial. Choose an annual or weekly plan. Cancel anytime.

Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. Payment is charged to your Apple ID account. Manage or cancel anytime in your App Store account settings.

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