GradesAI vs Caktus vs Knowee vs Thea
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
GradesAI
vs GradesAI
Competitor 1
Caktus
Caktus
Competitor 2
Knowee
Knowee
Competitor 3
Thea
TheaCompare
4 tools · best value per row highlighted
Competitor
Caktus
Caktus
caktus.ai
More than 3 million students rely on Caktus to power through coursework faster
Competitor
Thea
Thea
theastudy.com
Thea is an AI-powered study tool designed to facilitate more effective learning for students.
Rather than just aiding memorization, Thea is geared towards helping users actually master the material
Traffic estimated monthly website traffic
Monthly visits
4.5Kvisits/mo
59Kvisits/mo
211.3Mvisits/mo
320.1Kvisits/mo
MoM change
▲ 40.8%
▼ 6.2%
▲ 2.3%
▼ 9.7%
6-month growth
+89.7%
-6.3%
+7.3%
-43.1%
Global rank web
#5,442,166
#669,749
—
#163,095
Avg. last 3 months
3.2K
57.1K
207M
406.8K
Bounce rate lower is better
41%
64%
56%
51%
Pages / visit
1.7
1.4
2.6
1.7
Visit duration
18s
27s
1m 50s
26s
Traffic sources
—
● Direct 100%
● Direct 69% · ● Referral 29%
● Direct 82% · ● Referral 16%
GradesAICaktusKnoweeThea
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$19.99per month · free tier available
$19.99per month · free tier available
$10per month · free tier available
$1.67per month · free tier available
Free tier
Free trial
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–
–
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API access
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–
–
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Plans
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Free FreePro $10/mo
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Capabilities input → output
Input
DocumentsText
DocumentsText
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AudioDocumentsImagesWeb pagesVideo
Output
Text
Text
—
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Tasks what each tool can do · 1 shared · core partial
Tasks covered
9
11
10
9
Homework assistance
Quiz generation
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Math
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Essay writing
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Academic writing
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Exam preparation
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Flashcards
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Math explanations
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Math problems
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Study materials
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Education
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Notes to quizzes
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Writing
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Citations
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Academic citation
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Question generation
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Study notes
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Study plans
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Writing outlines
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Harvard citations
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Learning games
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Math calculator
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 0
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.