Is Grammarly better than Microsoft Editor?

Grammarly ranks higher in our list of grammar and proofreading tools (#1 against #5, score 92.5 against 86.5). Grammarly is best for: everyday grammar checks across browsers and apps. Microsoft Editor is best for: checking grammar inside Word and Outlook on the web.

Which is cheaper, Grammarly or Microsoft Editor?

Grammarly: Free plan; Pro $12 a month with a 7-day trial; Enterprise by sales contact. Microsoft Editor: Free grammar checker; advanced checks work best with Microsoft 365.

Do Grammarly and Microsoft Editor run on the same platforms?

Grammarly supports Web, Browser extension, iOS, Android. Microsoft Editor supports Web.

Comparison · Grammar and proofreading tools

Grammarly vs Microsoft Editor: which is better in 2026?

Grammarly92.5#1 in best grammar and proofreading tools

Microsoft Editor86.5#5 in best grammar and proofreading tools

Grammarly ranks higher in our list of grammar and proofreading tools (#1 against #5, score 92.5 against 86.5).

How we rank Share

92.5
Editorial score
86.5
4
Platforms
1
Yes
Free to use
Yes
No
Open source
No

Which should you choose?

Choose Grammarly if you want

Everyday grammar checks across browsers and apps.

Broadest reach: a browser extension, apps and a free plan that covers spelling and grammar. Tone and AI rewrites need Pro, and Harper keeps its checks on your device.

Choose Microsoft Editor if you want

Checking grammar inside Word and Outlook on the web.

Built into Word and Outlook for the web, with a free grammar checker. Its full set of options is tied to a Microsoft 365 subscription, and it works only in Microsoft's apps.

The main differences

Only Grammarly runs on iOS.
Only Grammarly runs on Android.

Side by side

	Grammarly	Microsoft Editor
Score	92.5	86.5
Rank in list	#1 of 10	#5 of 10
Price	Free plan, paid upgradesFree plan; Pro $12 a month with a 7-day trial; Enterprise by sales contact	Free plan, paid upgradesFree grammar checker; advanced checks work best with Microsoft 365
Free to use	Yes	Yes
Open source	No	No
Platforms	WebBrowser extensioniOSAndroidWeb, Browser extension, iOS, Android	WebWeb
Made by	Not stated	Microsoft
Where checks run	Browser extension, apps and web editor	Word and Outlook for the web
Rewrites and paraphrasing	AI rewrites need the Pro plan	Shorter wording suggestions
Style guidance	Tone suggestions	Clarity and conciseness checks
Best for	Everyday grammar checks across browsers and apps	Checking grammar inside Word and Outlook on the web
Strengths	Free plan covers spelling and grammar checks Browser extension works in many web apps Tone suggestions show how text will read	Built into Word and Outlook for the web Clarity and conciseness checks, not only spelling User dictionary for names and terms
Limits	AI rewrites and agents need the paid Pro plan Enterprise pricing is not listed publicly	Full options work best with a Microsoft 365 subscription Works only inside Microsoft's own apps
Links	Visit site	Visit site

Questions about Grammarly vs Microsoft Editor

Is Grammarly better than Microsoft Editor?: Grammarly ranks higher in our list of grammar and proofreading tools (#1 against #5, score 92.5 against 86.5). Grammarly is best for: everyday grammar checks across browsers and apps. Microsoft Editor is best for: checking grammar inside Word and Outlook on the web.
Which is cheaper, Grammarly or Microsoft Editor?: Grammarly: Free plan; Pro $12 a month with a 7-day trial; Enterprise by sales contact. Microsoft Editor: Free grammar checker; advanced checks work best with Microsoft 365.
Do Grammarly and Microsoft Editor run on the same platforms?: Grammarly supports Web, Browser extension, iOS, Android. Microsoft Editor supports Web.