QuillBot vs Harpa vs Merlin

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

Your tool
QuillBot
vs
Competitor 1
Harpa
Competitor 2
Merlin
Competitor 3
Suggested competitors for QuillBot: Grammarly92% Wordtune88% GPTZero86% Originality.AI84% Undetectable AI84% Scribbr Plagiarism Checker82% WriteHuman82% LanguageTool82%
Compare
3 tools · best value per row highlighted
Your tool QuillBot
quillbot.com
Rephrase until it sounds right
Remove
Competitor Harpa
harpa.ai
HARPA AI is a Chrome Extension and NoCode RPA platform that automates web tasks to save time and money. It uses a hybrid AI engine built on ChatGPT and Machine Learning to perform tasks such as provid
Make main Remove
Competitor Merlin
getmerlin.in
AI assistant in your browser
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
31.4Mvisits/mo
281.1Kvisits/mo
1.2Mvisits/mo
MoM change
▼ 8.4%
▼ 18.4%
▼ 13.8%
6-month growth
-27.9%
-55.5%
-9.1%
Global rank web
#1,318
#170,120
#46,011
Avg. last 3 months
36.7M
326.3K
1.3M
Bounce rate lower is better
46%
53%
50%
Pages / visit
5.5
1.6
2.5
Visit duration
2m 52s
1m 09s
4m 15s
Traffic sources
● Direct 76% · ● Referral 22%
● Direct 95% · ● Referral 4%
● Direct 83% · ● Referral 14%
QuillBotHarpaMerlin
014.9M29.9M44.8M59.8MQuillBot · 59.8MQuillBot · 47MQuillBot · 42.9MQuillBot · 43.5MQuillBot · 49.6MQuillBot · 48.1MQuillBot · 44.6MQuillBot · 34.3MQuillBot · 31.4MHarpa · 269.4KHarpa · 340KHarpa · 397.4KHarpa · 367.5KHarpa · 631.4KHarpa · 457.2KHarpa · 421.2KHarpa · 353.4KHarpa · 344.4KHarpa · 281.1KMerlin · 1.5MMerlin · 1.4MMerlin · 1.4MMerlin · 1.2MMerlin · 1.3MMerlin · 1.3MMerlin · 1.3MMerlin · 1.4MMerlin · 1.4MMerlin · 1.2M100K1M10M100MQuillBot · 59.8MQuillBot · 47MQuillBot · 42.9MQuillBot · 43.5MQuillBot · 49.6MQuillBot · 48.1MQuillBot · 44.6MQuillBot · 34.3MQuillBot · 31.4MHarpa · 269.4KHarpa · 340KHarpa · 397.4KHarpa · 367.5KHarpa · 631.4KHarpa · 457.2KHarpa · 421.2KHarpa · 353.4KHarpa · 344.4KHarpa · 281.1KMerlin · 1.5MMerlin · 1.4MMerlin · 1.4MMerlin · 1.2MMerlin · 1.3MMerlin · 1.3MMerlin · 1.3MMerlin · 1.4MMerlin · 1.4MMerlin · 1.2MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Starting price
$19.95per month · free tier available
€14.3per month
$29per month · free tier available
Free tier
–
Free trial
–
–
–
API access
–
–
–
Plans
—
Everyone €14.30/moPro €19.60/moLife €238
Free FreePro $29/moTeams $15/mo
Capabilities input → output
Input
DocumentsTextImages
Web pagesText
TextWeb pagesDocumentsCode
Output
TextSlidesImagesDocuments
TextData
TextImagesCode
Skill level
Beginner-friendly
Intermediate
Beginner-friendly
Categories
AI Detection & SafetyWriting & ContentAI DetectorAI Grammar Checker+5 more
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeVideo Editing+7 more
Chatbots & CompanionsDesign & CreativeDevelopment & CodeEducation & Learning+21 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
9
10
13
Summarizing
Chrome extensions
–
Chatbots
–
Video summaries
–
Writing
–
Agents
–
–
Paraphrasing
–
–
Coding
–
–
Copywriting
–
–
Detection
–
–
Email automation
–
–
Grammar checking
–
–
Image generation
–
–
Plagiarism detection
–
–
Social media
–
–
Social media posts
–
–
Translations
–
–
Web scraping
–
–
Document summarization
–
–
Email management
–
–
Mind maps
–
–
Productivity
–
–
Proofreading
–
–
SEO
–
–
Undetectable content writing
–
–
Web browsing
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 2
▲ 1
▲ 3
Saves
0
0
0
Reviews
0
0
0
Prompts
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.