15Minutes vs SoBrief vs ClassMind vs Diffit

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

Your tool
15Minutes
vs
Competitor 1
SoBrief
Competitor 2
ClassMind
Competitor 3
Diffit
Compare
4 tools · best value per row highlighted
Your tool 15Minutes
15minutes.ai
Want to digest a business book without spending hours
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Competitor SoBrief
sobrief.com
SoBrief is an extensive platform dedicated to summarizing non-fiction books across a variety of topics in an easily digestible format. The platform provides key takeaways from the books, making it eas
Make main Remove
Competitor ClassMind
classmind.app
ClassMind is an AI-powered smart educational tool specifically designed for educators to create, organize, and enhance learning materials. It offers a suite of features to streamline classroom prepara
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Competitor Diffit
web.diffit.me
Diffit is an AI assistant for teachers that produces instructional materials matched to each student's level.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
1.7Kvisits/mo
749.3Kvisits/mo
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MoM change
▼ 84.4%
▲ 4.5%
▲ 11.7%
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6-month growth
-41.9%
+4.5%
+84.2%
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Global rank web
#1,548,035
#68,675
#13,515,168
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Avg. last 3 months
4.4K
661.9K
641
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Bounce rate lower is better
32%
45%
0%
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Pages / visit
5.8
3.1
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Visit duration
1m 29s
44s
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Traffic sources
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● Direct 85% · ● Referral 14%
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15MinutesSoBriefClassMindDiffit
0231K462K692.9K923.9K15Minutes · 2.9K15Minutes · 3.1K15Minutes · 6.1K15Minutes · 49115Minutes · 10.9K15Minutes · 1.7KSoBrief · 923.9KSoBrief · 796.9KSoBrief · 815.7KSoBrief · 815.2KSoBrief · 716.7KSoBrief · 701.7KSoBrief · 622.9KSoBrief · 519.4KSoBrief · 716.9KSoBrief · 749.3KClassMind · 551ClassMind · 938ClassMind · 1.9KClassMind · 1.2KClassMind · 909ClassMind · 1K1001K10K100K1M15Minutes · 2.9K15Minutes · 3.1K15Minutes · 6.1K15Minutes · 49115Minutes · 10.9K15Minutes · 1.7KSoBrief · 923.9KSoBrief · 796.9KSoBrief · 815.7KSoBrief · 815.2KSoBrief · 716.7KSoBrief · 701.7KSoBrief · 622.9KSoBrief · 519.4KSoBrief · 716.9KSoBrief · 749.3KClassMind · 551ClassMind · 938ClassMind · 1.9KClassMind · 1.2KClassMind · 909ClassMind · 1KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
Freemium
Free
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Starting price
$9.99per month
$1per month · free tier available
Free
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Free tier
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Free trial
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API access
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Plans
Monthly Membership $9.99/moYearly Membership $59.99/yrLifetime Access $129.99
Free Free
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Capabilities input → output
Input
Text
Text
TextDocuments
Web pagesTextDocuments
Output
TextAudio
TextDocumentsAudio
TextSlidesDocuments
SlidesDocuments
Skill level
Beginner-friendly
Beginner-friendly
Intermediate
Intermediate
Categories
Education & LearningAI Book Summarizer
Education & LearningAI Book Summarizer
Education & LearningProductivity & OfficeAI Book SummarizerAI Lesson Plan Generator+2 more
Education & LearningAI Lesson Plan Generator
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
5
6
11
6
Book summaries
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Summarizing
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Education
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Lesson generation
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Lesson plans
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Business book summaries
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Curriculum integration
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Interactive quizzes
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Presentations
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Quiz generation
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Summaries
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Teaching support
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Audio summaries
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Book analysis
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Books
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Educational content
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Lessons
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Question generation
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Special needs education
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 0
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▲ 0
Saves
0
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Reviews
0
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Prompts
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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.