Grammarly vs ZeroGPT vs GPTZero vs Dechecker AI

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
Grammarly
vs
Competitor 1
ZeroGPT
Competitor 2
GPTZero
Competitor 3
Dechecker AI
Compare
4 tools · best value per row highlighted
Your tool Grammarly
grammarly.com
Writing confidence that follows you everywhere
Remove
Competitor ZeroGPT
zerogpt.com
Make main Remove
Competitor GPTZero
gptzero.me
Used by over 10 million teachers and students across more than 100 countries, GPTZero detects AI-generated text across major language models while providing a suite of writing verification tools
Make main Remove
Competitor Dechecker AI
dechecker.ai
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
49.3Mvisits/mo
20.5Mvisits/mo
11Mvisits/mo
99.7Kvisits/mo
MoM change
▲ 10.8%
▲ 5.1%
—
▼ 17.6%
6-month growth
-22.5%
-29.5%
—
-73.5%
Global rank web
#688
#3,675
—
#387,035
Avg. last 3 months
46.5M
20.5M
11M
153.8K
Bounce rate lower is better
40%
60%
—
43%
Pages / visit
7.8
2.2
—
1.5
Visit duration
4m 41s
2m 53s
—
24s
Traffic sources
● Direct 85% · ● Referral 9%
● Direct 90% · ● Referral 9%
—
● Direct 82% · ● Referral 17%
GrammarlyZeroGPTGPTZeroDechecker AI
015.9M31.8M47.7M63.6MGrammarly · 58.8MGrammarly · 54.5MGrammarly · 55.9MGrammarly · 55.7MGrammarly · 63.6MGrammarly · 58.3MGrammarly · 54MGrammarly · 45.8MGrammarly · 44.5MGrammarly · 49.3MZeroGPT · 29.3MZeroGPT · 23.5MZeroGPT · 20.6MZeroGPT · 23.3MZeroGPT · 29.1MZeroGPT · 28.2MZeroGPT · 26.3MZeroGPT · 21.4MZeroGPT · 19.5MZeroGPT · 20.5MGPTZero · 11MDechecker AI · 766Dechecker AI · 24.5KDechecker AI · 170KDechecker AI · 302.1KDechecker AI · 376.1KDechecker AI · 423.6KDechecker AI · 410.8KDechecker AI · 240.8KDechecker AI · 121KDechecker AI · 99.7K1001K10K100K1M10M100MGrammarly · 58.8MGrammarly · 54.5MGrammarly · 55.9MGrammarly · 55.7MGrammarly · 63.6MGrammarly · 58.3MGrammarly · 54MGrammarly · 45.8MGrammarly · 44.5MGrammarly · 49.3MZeroGPT · 29.3MZeroGPT · 23.5MZeroGPT · 20.6MZeroGPT · 23.3MZeroGPT · 29.1MZeroGPT · 28.2MZeroGPT · 26.3MZeroGPT · 21.4MZeroGPT · 19.5MZeroGPT · 20.5MGPTZero · 11MDechecker AI · 766Dechecker AI · 24.5KDechecker AI · 170KDechecker AI · 302.1KDechecker AI · 376.1KDechecker AI · 423.6KDechecker AI · 410.8KDechecker AI · 240.8KDechecker AI · 121KDechecker AI · 99.7KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Paid
Freemium
Freemium
Starting price
$12per month · free tier available
$7.99per month
$12.99per month · free tier available
$5per month · free tier available
Free tier
–
Free trial
–
–
–
API access
–
–
–
Plans
Free FreePro Custom/moEnterprise Custom/mo
—
Free FreePremium $12.99/moProfessional $24.99/mo
Free Custom/moPlan 2 $5/moPlan 3 $9/moPlan 4 $19/mo+1 more
Capabilities input → output
Input
Text
DocumentsImagesTextVideo
DocumentsText
DocumentsText
Output
Text
Text
DataText
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
AI Detection & SafetyWriting & ContentAI DetectorAI Grammar Checker+4 more
AI Detection & SafetyAI DetectorAI Image DetectorAI Plagiarism Checker+1 more
AI Detection & SafetyAI DetectorAI Plagiarism Checker
AI Detection & SafetyAI DetectorAI Plagiarism CheckerHumanizer AI
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
6
2
7
7
Detection
Plagiarism detection
Grammar checking
–
AI authorship detection
–
–
Content detection
–
–
Paraphrasing
–
–
Writing
–
–
–
Hallucination detection
–
–
–
Proofreading
–
–
–
Content authenticity verification
–
–
–
Fact checking
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 0
▲ 1
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
Verified listing
–
–
–
–

Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.