Best AI Grammar Checkers in 2026
26 ai grammar checkers ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
26ranked
24free plans on this page
$0.42/molowest paid tier
2 Oct 2026last checked
#1 LanguageTool Top pick · 9.0 Free plan · Free
#2 Grammarly Runner-up · 8.9 Free plan · $12/mo
#3 Sapling Also great · 8.8 Free plan · $5/mo
- Free plan extensioniOSmacOSWindows
- Free plan
- Yes
- Browser extension
- Yes
- Desktop app
- Yes
RecognisedDocumentedFree planPlatformsFree trial - Free plan AndroidiOS
- Free plan
- Yes
- Paid from
- 12 /user/mo
- Browser extension
- Yes
- Desktop app
- Yes
RecognisedDocumentedFree planPlatformsFree trial$12/mofirst paid tier About GrammarlyVisit site - Free planFree trial apiextensionself-hostedWebWindows
- Free plan
- Yes
- Paid from
- 12 /user/mo
- Browser extension
- Yes
- Desktop app
- Yes
RecognisedDocumentedFree planPlatformsFree trial$5/mofirst paid tier About SaplingVisit site - Free plan apiextensionmacOSself-hostedWebWindows
- Free plan
- Yes
- Browser extension
- Yes
- Desktop app
- Yes
RecognisedDocumentedFree planPlatformsFree trial$20/mofirst paid tier About TrinkaVisit site - Free plan AndroidapiextensioniOSmacOSself-hostedWebWindows
- Free plan
- Yes
- Browser extension
- Yes
- Desktop app
- Yes
RecognisedDocumentedFree planPlatformsFree trial$0.42/mofirst paid tier About GingerVisit site - Free plan extension
- Free plan
- Yes
- Browser extension
- Yes
- Desktop app
- Yes
RecognisedDocumentedFree planPlatformsFree trial$30/mofirst paid tier About ProWritingAidVisit site - WebWindowsmacOSLinuxiOSAndroid
- Free plan
- No
- Browser extension
- Yes
- Desktop app
- Yes
RecognisedDocumentedFree planPlatformsFree trial€4/mofirst paid tier About AntidoteVisit site - Free planFree trial apiextensionmacOSWebWindows
- Free plan
- Yes
- Paid from
- 7.95 /user/mo
- Browser extension
- Yes
- Desktop app
- No
RecognisedDocumentedFree planPlatformsFree trial$7.95/mofirst paid tier About OutwriteVisit site - Free plan WebiOSAndroid
- Free plan
- Yes
- Browser extension
- Yes
RecognisedDocumentedFree planPlatformsFree trial$11.67/mofirst paid tier About LinguixVisit site - Free plan WebWindowsmacOS
- Free plan
- Yes
- Browser extension
- Yes
RecognisedDocumentedFree planPlatformsFree trial$9.95/mofirst paid tier About Wordvice AIVisit site - Free plan WebWindowsmacOS
- Free plan
- Yes
- Browser extension
- Yes
- Document integrations
- Microsoft Word; Overleaf
RecognisedDocumentedFree planPlatformsFree trial - Free planFree trial WebmacOSAndroid
- Free plan
- No
- Browser extension
- Yes
- Desktop app
- Yes
- Document integrations
- Google Docs, Google Slides, Microsoft Word, Outlook, Thunderbird, Overleaf
RecognisedDocumentedFree planPlatformsFree trial$8.25/mofirst paid tier About WordeepVisit site - Free plan WebiOSAndroidLinux
- Free plan
- Yes
- Browser extension
- Yes
- Desktop app
- Yes
RecognisedDocumentedFree planPlatformsFree trial$4/mofirst paid tier About GrammarCheck.aiVisit site - Free plan WebiOSAndroid
- Free plan
- Yes
- Supported languages
- 40 languages
- Browser extension
- Yes
- Document integrations
- Microsoft Word, PowerPoint, Excel, Google Docs, Google Sheets
RecognisedDocumentedFree planPlatformsFree trial - Free planRecognisedDocumentedFree planPlatformsFree trial
- Free planRecognisedDocumentedFree planPlatformsFree trial
- Free plan WebWindowsmacOSLinux
- Free plan
- Yes
- Browser extension
- Yes
- Desktop app
- Yes
RecognisedDocumentedFree planPlatformsFree trial - Free plan Web
- Free plan
- Yes
- Browser extension
- Yes
RecognisedDocumentedFree planPlatformsFree trial - Free plan Web
- Free plan
- Yes
- Browser extension
- Yes
RecognisedDocumentedFree planPlatformsFree trial - Free plan WebWindowsmacOS
- Free plan
- Yes
- Desktop app
- Yes
RecognisedDocumentedFree planPlatformsFree trialFree About ORFOVisit site - Free plan Web
- Free plan
- Yes
- Supported languages
- 13 languages
RecognisedDocumentedFree planPlatformsFree trial - Free plan Linux
- Free plan
- Yes
- Browser extension
- Yes
- Desktop app
- Yes
RecognisedDocumentedFree planPlatformsFree trial - Free plan iOS
- Free plan
- Yes
- Browser extension
- Yes
RecognisedDocumentedFree planPlatformsFree trial - Free plan macOS
- Free plan
- Yes
- Browser extension
- Yes
- Desktop app
- Yes
RecognisedDocumentedFree planPlatformsFree trialFree About PoliVisit site - Free plan Android
- Free plan
- Yes
RecognisedDocumentedFree planPlatformsFree trial
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which ai grammar checker is ranked first on The Geeks Club?
LanguageTool is ranked #1 of 26 with a score of 9.0. Grammarly is second and Sapling third.
How many of these have a free plan?
24 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Ginger has the lowest first paid tier we found: $0.42/mo.
How is this list ranked?
Certifications are listed from the provider's own catalogue with level, role and exam. Platforms are ranked on what each publishes: a free tier or trial, price, certificates offered, the devices it runs on and the depth of its documentation. Paid placements never change a rank.