MindMarks vs SoBrief vs ClassMind vs Stacks

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

Your tool
MindMarks
vs
Competitor 1
SoBrief
Competitor 2
ClassMind
Competitor 3
Stacks
Compare
4 tools · best value per row highlighted
Your tool MindMarks
mindmarks.io
MindMarks helps users organize, search, and reuse ChatGPT, Claude, and Gemini
Remove
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
Make main Remove
Competitor Stacks
betterstacks.com
Stacks is a personal AI workspace that gathers what you find online into one searchable place.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
854visits/mo
749.3Kvisits/mo
—
6.3Kvisits/mo
MoM change
—
▲ 4.5%
▲ 11.7%
▼ 8.4%
6-month growth
—
+4.5%
+84.2%
-50.8%
Global rank web
—
#68,675
#13,515,168
#3,182,249
Avg. last 3 months
284
661.9K
641
6.1K
Bounce rate lower is better
39%
45%
0%
41%
Pages / visit
1.1
3.1
—
1.7
Visit duration
—
44s
—
6s
Traffic sources
—
● Direct 85% · ● Referral 14%
—
—
MindMarksSoBriefClassMindStacks
0231K462K692.9K923.9KMindMarks · 854SoBrief · 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 · 1KStacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3K1001K10K100K1MMindMarks · 854SoBrief · 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 · 1KStacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
—
Freemium
Free
Paid
Starting price
—
$1per month · free tier available
Free
$9per month
Free tier
–
–
Free trial
–
–
–
API access
–
–
–
–
Plans
—
Free Free
—
Be Productive $89/yrBe Collaborative $199/yrBe Creative $349/yr
Capabilities input → output
Input
Text
Text
DocumentsText
DocumentsTextWeb pages
Output
Text
AudioDocumentsText
DocumentsSlidesText
Text
Skill level
Beginner-friendly
Beginner-friendly
Intermediate
Beginner-friendly
Categories
Education & LearningAI Knowledge Management
Education & LearningAI Book Summarizer
Education & LearningProductivity & OfficeAI Book SummarizerAI Lesson Plan Generator+2 more
Education & LearningProductivity & OfficeAI FilesAI Knowledge Management
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
7
6
13
6
Book summaries
–
–
Digital information management
–
–
Knowledge bases
–
–
Summarizing
–
–
Education
–
–
Bookmarking
–
–
–
Conversation archiving
–
–
–
Curriculum integration
–
–
–
Interactive quizzes
–
–
–
Lesson generation
–
–
–
Lesson plans
–
–
–
Presentations
–
–
–
Prompt management
–
–
–
Quiz generation
–
–
–
Summaries
–
–
–
Teaching support
–
–
–
Books
–
–
–
Business book summaries
–
–
–
Chrome extensions
–
–
–
Question generation
–
–
–
Student progress reports
–
–
–
Test generation
–
–
–
ChatGPT
–
–
–
Conversation summaries
–
–
–
Knowledge exploration
–
–
–
Note taking
–
–
–
Prompts
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 4
▲ 0
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
Verified listing
–
–
–
–

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.