Stacks vs Knowledge Plane vs Guru vs Pinster AI

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

Your tool
Stacks
vs
Competitor 1
Knowledge Plane
Competitor 2
Guru
Competitor 3
Pinster AI
Compare
4 tools · best value per row highlighted
Your tool Stacks
betterstacks.com
Stacks is a personal AI workspace that gathers what you find online into one searchable place.
Remove
Competitor Knowledge Plane
knowledgeplane.io
Engineering teams watch their AI tools hallucinate outdated project details
Make main Remove
Competitor Guru
getguru.com
Guru is a governed knowledge layer for enterprise AI that structures, verifies and continuously improves company knowledge so every person and AI tool receives answers they can trust.
Make main Remove
Competitor Pinster AI
pinster.io
Your browser bookmarks become a searchable knowledge base
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
6.3Kvisits/mo
—
—
—
MoM change
▼ 8.4%
—
—
—
6-month growth
-50.8%
—
—
—
Global rank web
#3,182,249
—
—
—
Avg. last 3 months
6.1K
—
—
—
Bounce rate lower is better
41%
0%
—
0%
Pages / visit
1.7
—
—
—
Visit duration
6s
—
—
—
Traffic sources
—
—
—
—
StacksKnowledge PlaneGuruPinster AI
03.2K6.4K9.6K12.8KStacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3K1K10K100KStacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3KDec '25Jan '26FebMarAprMayJunJul
Pricing
Model
Paid
Freemium
—
Freemium
Starting price
$9per month
$19per month · free tier available
—
$6.99per month · free tier available
Free tier
–
–
Free trial
–
–
–
–
API access
–
–
–
Plans
Be Productive $89/yrBe Collaborative $199/yrBe Creative $349/yr
—
—
Free FreePro $6.99/mo
Capabilities input → output
Input
DocumentsTextWeb pages
CodeDocumentsText
DocumentsText
DocumentsImagesWeb pages
Output
Text
Text
Text
Text
Skill level
Beginner-friendly
Intermediate
Intermediate
Beginner-friendly
Categories
Education & LearningProductivity & OfficeAI FilesAI Knowledge Management
Education & LearningAI Knowledge Management
Education & LearningAI Knowledge Management
Education & LearningProductivity & OfficeWriting & ContentAI Files+2 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
6
12
8
8
Knowledge bases
Digital information management
–
Bookmarking
–
–
Knowledge
–
–
Knowledge sourcing
–
–
Note taking
–
–
Knowledge graphs
–
–
–
Agent memory
–
–
–
Chrome extensions
–
–
–
Developer tools
–
–
–
Document chat
–
–
–
Knowledge maps
–
–
–
Knowledge optimization
–
–
–
Knowledge-driven chatting
–
–
–
Summaries
–
–
–
Summarizing
–
–
–
AI search
–
–
–
Business productivity
–
–
–
Code documentation
–
–
–
Codebase q a
–
–
–
Document creation
–
–
–
Information retrieval
–
–
–
Knowledge exchange
–
–
–
Knowledge exploration
–
–
–
Slack
–
–
–
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
–
–
–
–

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.