Polarbear Study vs CoGrader vs Buddiz vs BrainRush AI

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

Your tool
Polarbear Study
vs
Competitor 1
CoGrader
Competitor 2
Buddiz
Competitor 3
BrainRush AI
Compare
4 tools · best value per row highlighted
Your tool Polarbear Study
trypolarbear.com
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Competitor CoGrader
cograder.com
Teachers claim they're grading essays 80% faster with CoGrader
Make main Remove
Competitor Buddiz
buddiz.ai
Generic AI tools won't learn your specific teaching style
Make main Remove
Competitor BrainRush AI
brainrush.ai
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
112.9Kvisits/mo
56.7Kvisits/mo
1Kvisits/mo
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MoM change
▼ 14.0%
▲ 42.4%
▲ 754.2%
▲ 20.6%
6-month growth
+47.7%
-43.9%
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Global rank web
#317,842
#621,596
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Avg. last 3 months
127.3K
47.6K
375
93
Bounce rate lower is better
41%
37%
0%
0%
Pages / visit
3.6
4.1
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Visit duration
2m 43s
2m 47s
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Traffic sources
● Direct 90% · ● Referral 7%
● Direct 96% · ● Referral 4%
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Polarbear StudyCoGraderBuddizBrainRush AI
034.5K68.9K103.4K137.9KPolarbear Study · 44KPolarbear Study · 27.8KPolarbear Study · 53.5KPolarbear Study · 76.4KPolarbear Study · 98.5KPolarbear Study · 83.9KPolarbear Study · 137.9KPolarbear Study · 131.2KPolarbear Study · 112.9KCoGrader · 66KCoGrader · 60.3KCoGrader · 48.2KCoGrader · 61.6KCoGrader · 101KCoGrader · 67.6KCoGrader · 77.3KCoGrader · 46.4KCoGrader · 39.8KCoGrader · 56.7KBuddiz · 12.3KBuddiz · 172Buddiz · 208Buddiz · 118Buddiz · 1KBrainRush AI · 233BrainRush AI · 2811001K10K100K1MPolarbear Study · 44KPolarbear Study · 27.8KPolarbear Study · 53.5KPolarbear Study · 76.4KPolarbear Study · 98.5KPolarbear Study · 83.9KPolarbear Study · 137.9KPolarbear Study · 131.2KPolarbear Study · 112.9KCoGrader · 66KCoGrader · 60.3KCoGrader · 48.2KCoGrader · 61.6KCoGrader · 101KCoGrader · 67.6KCoGrader · 77.3KCoGrader · 46.4KCoGrader · 39.8KCoGrader · 56.7KBuddiz · 12.3KBuddiz · 172Buddiz · 208Buddiz · 118Buddiz · 1KBrainRush AI · 233BrainRush AI · 281Nov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Paid
Starting price
AUD 13per month · free tier available
$15per month · free tier available
$14.38per month · free tier available
$14.99per month
Free tier
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Free trial
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API access
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Plans
Free FreeGo $13/moUltra $19.99/moPro $119/mo
Free Free
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One Student $14.99/moFamily Plan $24.99/mo
Capabilities input → output
Input
AudioDocumentsText
Documents
DocumentsText
Text
Output
Text
DataText
ImagesText
Text
Skill level
Beginner-friendly
Beginner-friendly
Intermediate
Beginner-friendly
Categories
Education & LearningWriting & ContentAI Essay WriterAI Homework Helper+2 more
Education & LearningAI Teachers
Education & LearningAI Quiz GeneratorAI Teachers
Education & LearningAI Homework HelperAI Teachers
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
4
8
9
6
Tutoring
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Essay feedback
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Chatbot tutoring
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Quiz generation
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Student progress reports
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Assessment rubrics
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Essay grading
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Exam preparation
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Grading
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Rubrics
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Assignments
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Children s learning
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Grammar checking
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Homework assistance
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Socratic conversations
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Teaching support
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Test generation
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Exam grading
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Lesson generation
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Math
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Quiz assistance
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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.