Pinster AI vs Stacks vs MindMarks vs Cerebro

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

Your tool
Pinster AI
vs
Competitor 1
Stacks
Competitor 2
MindMarks
Competitor 3
Cerebro
Compare
4 tools · best value per row highlighted
Your tool Pinster AI
pinster.io
Your browser bookmarks become a searchable knowledge base
Remove
Competitor Stacks
betterstacks.com
Stacks is a personal AI workspace that gathers what you find online into one searchable place.
Make main Remove
Competitor MindMarks
mindmarks.io
MindMarks helps users organize, search, and reuse ChatGPT, Claude, and Gemini
Make main Remove
Competitor Cerebro
heycerebro.com
This platform promises to turn your scattered reading pile into a searchable knowledge base
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
6.3Kvisits/mo
854visits/mo
6.1Kvisits/mo
MoM change
—
▼ 8.4%
—
▲ 396.9%
6-month growth
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-50.8%
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+948.5%
Global rank web
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#3,182,249
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#12,572,623
Avg. last 3 months
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6.1K
284
2.7K
Bounce rate lower is better
0%
41%
39%
37%
Pages / visit
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1.7
1.1
1.0
Visit duration
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6s
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—
Traffic sources
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—
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Pinster AIStacksMindMarksCerebro
03.2K6.4K9.6K12.8KStacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3KMindMarks · 854Cerebro · 581Cerebro · 219Cerebro · 1.3KCerebro · 735Cerebro · 1.2KCerebro · 6.1K1001K10K100KStacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3KMindMarks · 854Cerebro · 581Cerebro · 219Cerebro · 1.3KCerebro · 735Cerebro · 1.2KCerebro · 6.1KDec '25Jan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Paid
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Freemium
Starting price
$6.99per month · free tier available
$9per month
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$4.99per month · free tier available
Free tier
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Free trial
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–
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API access
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–
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Plans
Free FreePro $6.99/mo
Be Productive $89/yrBe Collaborative $199/yrBe Creative $349/yr
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Capabilities input → output
Input
DocumentsImagesWeb pages
DocumentsTextWeb pages
Text
DocumentsWeb pages
Output
Text
Text
Text
Text
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Intermediate
Categories
Education & LearningProductivity & OfficeWriting & ContentAI Files+2 more
Education & LearningProductivity & OfficeAI FilesAI Knowledge Management
Education & LearningAI Knowledge Management
Education & LearningProductivity & OfficeVideo EditingAI Files+2 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
8
6
7
7
Knowledge bases
Bookmarking
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Digital information management
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Document chat
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Note taking
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Conversation archiving
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Prompt management
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Chrome extensions
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Knowledge maps
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Knowledge-driven chatting
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Summaries
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Summarizing
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ChatGPT
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Conversation summaries
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Information retrieval
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Knowledge consultation
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Knowledge exploration
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Knowledge graphs
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PDF analysis
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Prompts
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Video summaries
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 4
▲ 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.