🆚 Grammarly vs. HeyGen

Compare technologies based on real-world usage data *

Type

Text tool
Generative AI 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.

HeyGen is an AI video generation platform that creates synthetic videos with lifelike avatars from text, images, or audio inputs.

It enables text-to-video and image-to-video creation with synchronized voiceovers and gestures, offers over 1,000 stock avatars and custom digital clones, and supports voice cloning and translation into more than 175 languages with automatic lip-sync.

Headquarters

San Francisco, California, United States
Los Angeles, California, United States

Website

Pricing

Free version ✔️100 AI prompts per month
Pro (annually)$144/year
Pro (monthly)$30/month
Free version ✔️Up to three 3-minute 720p videos per month
Creator
(1080p videos up to 30 mins)
$29/month
Pro
(4K videos up to 30 mins)
$99/month
Business
(4K videos up to 60 mins)
$149/month

Categories

Text Tools › Rank #2
Generative AI › Rank #2
Generative AI › Rank #7
Tools › Rank #41

Popularity

Determined by the number of sites using each technology.

The Grammarly text tool is 5 times more popular than HeyGen.
Total websites

Market share

Generative AI

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 HeyGen is more popular in Brazil and the Czech Republic.
United States
Australia
United Kingdom
India
Canada
Germany
Brazil
Malaysia
Netherlands
Spain

Awards

Popularity by domain category

Determined by the number of sites in each category.

Grammarly is more popular than HeyGen in all market segments.
Business
Marketing/Merchandising
Education/Reference
Blogs/Wiki
Online Shopping
Non-Profit/Advocacy/NGO
Internet Services
Entertainment
Health
Travel

Top sites

Top-ranked sites that use these technologies.

Name
Rank
#9,642
sbob*t.com
#14,350
View more ➝
Name
Rank
#8,189
#11,672
#12,355
#67,800
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.