Grammarly affiliate program

56C#609 overall · #131 in AI ✓ verified Oct 18, 2026

Grammarly is an AI writing assistant that checks grammar, spelling, tone, clarity, and style across browsers, desktop apps, and mobile. Grammarly Premium adds AI-powered rewriting, tone detection, and full-sentence suggestions. Grammarly Business includes team analytics and brand tone profiles. Over 30 million daily active users. The affiliate program is one of the most established in AI, paying $0.20 per free signup and $20 per Premium upgrade with a 90-day cookie.

Commission details: Grammarly brand page on Impact (2026-10-18): "Upgrade : $20.00", "Account Creation : $0.20", "Grammarly iOS : Keyboard Install : $6.00" (same for Android); a separate Creator offer lists "Upgrade : $25.00". The affiliate terms (grammarly.com/affiliates/terms) still name HasOffers, Commission Junction, PartnerStack and ShareASale as the programs, while sign-up now runs through Impact. Sign-up and purchase must both happen within 90 days of the first visit via an affiliate link.

ClickScore breakdown

Restrictions

• No coupon or deal sites without approval
• No branded keyword bidding
• Must not make false accuracy claims

Who it suits

• Blog posts about writing tips and grammar
• YouTube reviews of writing tools
• Student resource guides
• Professional development content

FAQ

How much does Grammarly pay affiliates?

Grammarly pays $20 per paid upgrade + $0.20 per account sign-up one-time.

What is the Grammarly affiliate cookie duration?

90 days.

Is the Grammarly affiliate program legit?

Yes — its terms were verified against the official program page on October 18, 2026.

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