Pieces vs Stacks vs Knowledge Plane

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

Your tool
Pieces
vs
Competitor 1
Stacks
Competitor 2
Knowledge Plane
Competitor 3
Suggested competitors for Pieces: remio76% Cursor75% Amazon Q Developer75% Qoder74% GitBook73% OpenAI Codex73% Constella73% Tabnine72%
Compare
3 tools · best value per row highlighted
Your tool Pieces
pieces.app
Your personal AI coding assistant that remembers everything
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 Knowledge Plane
knowledgeplane.io
Engineering teams watch their AI tools hallucinate outdated project details
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
169.6Kvisits/mo
6.3Kvisits/mo
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MoM change
▼ 5.9%
▼ 8.4%
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6-month growth
-16.0%
-50.8%
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Global rank web
#248,413
#3,182,249
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Avg. last 3 months
176.5K
6.1K
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Bounce rate lower is better
44%
41%
0%
Pages / visit
2.2
1.7
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Visit duration
45s
6s
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Traffic sources
● Direct 68% · ● Referral 30%
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PiecesStacksKnowledge Plane
077.6K155.2K232.7K310.3KPieces · 269.9KPieces · 295.6KPieces · 310.3KPieces · 237KPieces · 202KPieces · 195.3KPieces · 169.9KPieces · 179.9KPieces · 180.1KPieces · 169.6KStacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3K1K10K100K1MPieces · 269.9KPieces · 295.6KPieces · 310.3KPieces · 237KPieces · 202KPieces · 195.3KPieces · 169.9KPieces · 179.9KPieces · 180.1KPieces · 169.6KStacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Paid
Freemium
Starting price
$18.99per month
$9per month
$19per month · free tier available
Free tier
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Free trial
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API access
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Plans
Pro $18.99/moEnterprise $22.99/mo
Be Productive $89/yrBe Collaborative $199/yrBe Creative $349/yr
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Capabilities input → output
Input
AudioCodeText
DocumentsTextWeb pages
CodeDocumentsText
Output
Text
Text
Text
Skill level
Intermediate
Beginner-friendly
Intermediate
Categories
Development & CodeEducation & LearningProductivity & OfficeAI Assistant+2 more
Education & LearningProductivity & OfficeAI FilesAI Knowledge Management
Education & LearningAI Knowledge Management
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
5
6
12
Digital information management
Knowledge bases
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Code documentation
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Knowledge exploration
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Bookmarking
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Code snippets
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Knowledge graphs
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Agent memory
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Chrome extensions
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Coding
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Developer tools
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Knowledge
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Knowledge maps
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Knowledge sourcing
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Codebase q a
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Knowledge exchange
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Note taking
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Slack
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
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.