Knowee vs fastwrite vs Caktus vs Merlin
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
Knowee
vs Knowee
Competitor 1
fastwrite
fastwrite
Competitor 2
Caktus
Caktus
Competitor 3
Merlin
MerlinCompare
4 tools · best value per row highlighted
Competitor
fastwrite
fastwrite
fastwrite.io
Academic writing means juggling sources while trying to sound original
Competitor
Caktus
Caktus
caktus.ai
More than 3 million students rely on Caktus to power through coursework faster
Traffic estimated monthly website traffic
Monthly visits
211.3Mvisits/mo
2.2Kvisits/mo
59Kvisits/mo
1.2Mvisits/mo
MoM change
▲ 2.3%
▲ 200.8%
▼ 6.2%
▼ 13.8%
6-month growth
+7.3%
-38.3%
-6.3%
-9.1%
Global rank web
—
#5,936,435
#669,749
#46,011
Avg. last 3 months
207M
1.4K
57.1K
1.3M
Bounce rate lower is better
56%
19%
64%
50%
Pages / visit
2.6
3.0
1.4
2.5
Visit duration
1m 50s
2m 40s
27s
4m 15s
Traffic sources
● Direct 69% · ● Referral 29%
—
● Direct 100%
● Direct 83% · ● Referral 14%
KnoweefastwriteCaktusMerlin
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$10per month · free tier available
€22per month · free tier available
$19.99per month · free tier available
$29per month · free tier available
Free tier
Free trial
–
–
–
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API access
–
–
–
–
Plans
Free FreePro $10/mo
Free FreePremium €22/moUltimate €35/mo
—
Free FreePro $29/moTeams $15/mo
Capabilities input → output
Input
—
DocumentsText
DocumentsText
CodeDocumentsTextWeb pages
Output
—
Text
Text
CodeImagesText
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Tasks what each tool can do · 0 shared · core partial
Tasks covered
10
8
11
13
Academic writing
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Writing
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Citations
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Essay writing
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Homework assistance
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Math
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Academic citation
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Math explanations
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Math problems
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Chatbots
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Chrome extensions
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–
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Coding
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Copywriting
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–
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Essay feedback
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Image generation
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Quiz generation
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Research
–
–
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Research papers analysis
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Social media
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Social media posts
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Summarizing
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Translations
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Video summaries
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Writing outlines
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Education
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Harvard citations
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Math calculator
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Mind maps
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PDFs
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Productivity
–
–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 3
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
Verified listing
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–
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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.