🆚 Grammarly vs. Turnitin

Compare technologies based on real-world usage data *

Type

Text tool
Text tool

About

Grammarly is an online grammar checker and AI writing assistant that helps users improve written communication by analyzing text for grammar, spelling, clarity, tone, and style issues.

It provides real-time writing suggestions, sentence rewrites and paraphrasing, tone detection, plagiarism checking against large web and academic databases, generative AI tools for drafting and summarizing text, and citation generation for APA, MLA, and Chicago styles.

Turnitin is a web-based plagiarism detection and originality checking software that helps educators and institutions evaluate the authenticity of student work.

It compares submitted documents against a large database of academic content, websites, and student papers, providing similarity reports with highlighted matched text. The system integrates with learning management systems like Canvas, Blackboard, and D2L Brightspace, and offers tools for grading, feedback, and peer review.

Headquarters

San Francisco, California, United States
Oakland, California, United States

Website

Pricing

Free version ✔️100 AI prompts per month
Pro (annually)$144/year
Pro (monthly)$30/month
Free version ❌
Custom

Categories

Text Tools › Rank #2
Text Tools › Rank #8
Generative AI › Rank #2

Popularity

Determined by the number of sites using each technology.

The Grammarly text tool is 4 times more popular than Turnitin.
Total websites

Market share

Text Tools

Popularity by country

Determined by the number of sites detected from each country.

Grammarly is more popular in the United States, Australia, and the United Kingdom, while Turnitin is more popular in Indonesia, Peru, and Tanzania.
United States
Australia
United Kingdom
India
Indonesia
Germany
Canada
Peru
Malaysia
Singapore

Awards

Popularity by domain category

Determined by the number of sites in each category.

Grammarly is more popular among sites focused on business, marketing and merchandising, and blogs and wiki, while Turnitin is more commonly used on education and reference sites.
Education/Reference
Business
Marketing/Merchandising
Blogs/Wiki
Online Shopping
Non-Profit/Advocacy/NGO
Travel
Software/Hardware
Internet Services
Sports

Top sites

Top-ranked sites that use these technologies.

Name
Rank
#9,642
sbob*t.com
#14,350
View more ➝
Name
Rank
#22,896
#25,342
#25,885
View more ➝

See also

* According to recent studies, many of online reviews are fake.
When making your decision, it is better to rely on data that cannot be falsified.
Our service evaluates the popularity of technologies by the number of websites using them.

Statistics were last calculated on .
For details, see our methodology and disclaimer.