CoGrader vs Polarbear Study vs Caktus

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

Your tool
CoGrader
vs
Competitor 1
Polarbear Study
Competitor 2
Caktus
Competitor 3
Suggested competitors for CoGrader: GradingPal89% MarkInMinutes87% MagicSchool85% Curipod84% Brisk Teaching83% Brightroom AI81% Khanmigo80% Socratiq80%
Compare
3 tools · best value per row highlighted
Your tool CoGrader
cograder.com
Teachers claim they're grading essays 80% faster with CoGrader
Remove
Competitor Polarbear Study
trypolarbear.com
Make main Remove
Competitor Caktus
caktus.ai
More than 3 million students rely on Caktus to power through coursework faster
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
56.7Kvisits/mo
112.9Kvisits/mo
59Kvisits/mo
MoM change
▲ 42.4%
▼ 14.0%
▼ 6.2%
6-month growth
-43.9%
+47.7%
-6.3%
Global rank web
#621,596
#317,842
#669,749
Avg. last 3 months
47.6K
127.3K
57.1K
Bounce rate lower is better
37%
41%
64%
Pages / visit
4.1
3.6
1.4
Visit duration
2m 47s
2m 43s
27s
Traffic sources
● Direct 96% · ● Referral 4%
● Direct 90% · ● Referral 7%
● Direct 100%
CoGraderPolarbear StudyCaktus
034.5K68.9K103.4K137.9KCoGrader · 66KCoGrader · 60.3KCoGrader · 48.2KCoGrader · 61.6KCoGrader · 101KCoGrader · 67.6KCoGrader · 77.3KCoGrader · 46.4KCoGrader · 39.8KCoGrader · 56.7KPolarbear Study · 44KPolarbear Study · 27.8KPolarbear Study · 53.5KPolarbear Study · 76.4KPolarbear Study · 98.5KPolarbear Study · 83.9KPolarbear Study · 137.9KPolarbear Study · 131.2KPolarbear Study · 112.9KCaktus · 85.7KCaktus · 64.3KCaktus · 78.7KCaktus · 51.3KCaktus · 63KCaktus · 67.8KCaktus · 71.4KCaktus · 49.4KCaktus · 62.9KCaktus · 59K10K100K1MCoGrader · 66KCoGrader · 60.3KCoGrader · 48.2KCoGrader · 61.6KCoGrader · 101KCoGrader · 67.6KCoGrader · 77.3KCoGrader · 46.4KCoGrader · 39.8KCoGrader · 56.7KPolarbear Study · 44KPolarbear Study · 27.8KPolarbear Study · 53.5KPolarbear Study · 76.4KPolarbear Study · 98.5KPolarbear Study · 83.9KPolarbear Study · 137.9KPolarbear Study · 131.2KPolarbear Study · 112.9KCaktus · 85.7KCaktus · 64.3KCaktus · 78.7KCaktus · 51.3KCaktus · 63KCaktus · 67.8KCaktus · 71.4KCaktus · 49.4KCaktus · 62.9KCaktus · 59KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Starting price
$15per month · free tier available
AUD 13per month · free tier available
$19.99per month · free tier available
Free tier
Free trial
–
–
API access
–
–
Plans
Free Free
Free FreeGo $13/moUltra $19.99/moPro $119/mo
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Capabilities input → output
Input
Documents
AudioDocumentsText
DocumentsText
Output
DataText
Text
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Education & LearningAI Teachers
Education & LearningWriting & ContentAI Essay WriterAI Homework Helper+2 more
AI Detection & SafetyEducation & LearningWriting & ContentAI Essay Writer+5 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
8
4
11
Essay feedback
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Quiz generation
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Assessment rubrics
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–
Citations
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Essay grading
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Essay writing
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–
Exam preparation
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Grading
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Homework assistance
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Math
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Rubrics
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Tutoring
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Academic citation
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Academic writing
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Grammar checking
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Math explanations
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Math problems
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Exam grading
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Harvard citations
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Student progress reports
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Writing
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
0
0
0
Verified listing
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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.