CoGrader vs Polarbear Study vs Learn Place AI vs Khanmigo

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
Learn Place AI
Competitor 3
Khanmigo
Compare
4 tools · best value per row highlighted
Your tool CoGrader
cograder.com
Teachers claim they're grading essays 80% faster with CoGrader
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Competitor Polarbear Study
trypolarbear.com
Make main Remove
Competitor Learn Place AI
learnplace.ai
Make main Remove
Competitor Khanmigo
khanacademy.org
AI tutor from Khan Academy
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Traffic estimated monthly website traffic
Monthly visits
56.7Kvisits/mo
112.9Kvisits/mo
529visits/mo
32.5Mvisits/mo
MoM change
▲ 42.4%
▼ 14.0%
▼ 61.4%
▲ 14.5%
6-month growth
-43.9%
+47.7%
-83.3%
+24.5%
Global rank web
#621,596
#317,842
#13,817,637
#1,204
Avg. last 3 months
47.6K
127.3K
1.1K
29.8M
Bounce rate lower is better
37%
41%
35%
39%
Pages / visit
4.1
3.6
1.5
7.3
Visit duration
2m 47s
2m 43s
4s
10m 09s
Traffic sources
● Direct 96% · ● Referral 4%
● Direct 90% · ● Referral 7%
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● Direct 86% · ● Referral 11%
CoGraderPolarbear StudyLearn Place AIKhanmigo
08.1M16.3M24.4M32.5MCoGrader · 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 · 112.9KLearn Place AI · 7.1KLearn Place AI · 294Learn Place AI · 3.2KLearn Place AI · 2.4KLearn Place AI · 3.4KLearn Place AI · 1.3KLearn Place AI · 1.4KLearn Place AI · 529Khanmigo · 27MKhanmigo · 23.8MKhanmigo · 25.9MKhanmigo · 26.1MKhanmigo · 29.5MKhanmigo · 29.1MKhanmigo · 28.6MKhanmigo · 28.4MKhanmigo · 32.5M1001K10K100K1M10M100MCoGrader · 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 · 112.9KLearn Place AI · 7.1KLearn Place AI · 294Learn Place AI · 3.2KLearn Place AI · 2.4KLearn Place AI · 3.4KLearn Place AI · 1.3KLearn Place AI · 1.4KLearn Place AI · 529Khanmigo · 27MKhanmigo · 23.8MKhanmigo · 25.9MKhanmigo · 26.1MKhanmigo · 29.5MKhanmigo · 29.1MKhanmigo · 28.6MKhanmigo · 28.4MKhanmigo · 32.5MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$15per month · free tier available
AUD 13per month · free tier available
$49per month · free tier available
$4per month · free tier available
Free tier
Free trial
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API access
–
–
–
Plans
Free Free
Free FreeGo $13/moUltra $19.99/moPro $119/mo
Free FreeProfessional $49/moPremium $99/moPremium+ $299/mo
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Capabilities input → output
Input
Documents
AudioDocumentsText
Text
Text
Output
DataText
Text
Text
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Education & LearningAI Teachers
Education & LearningWriting & ContentAI Essay WriterAI Homework Helper+2 more
Education & LearningAI Teachers
Education & LearningAI Homework HelperAI Lesson Plan GeneratorAI Teachers
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
8
4
7
9
Tutoring
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Assessment rubrics
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Essay feedback
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Rubrics
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Education
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Essay grading
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Exam preparation
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Grading
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Homework assistance
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Learning paths
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–
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Career development
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Chatbots
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–
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Grammar checking
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Lesson generation
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–
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Lesson plans
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Problem solving
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–
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Skill development
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Career guidance
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Exam grading
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Quiz generation
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–
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Student progress reports
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–
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Study plans
–
–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 1
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
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.