Pieces vs Knowledge Plane vs Stacks vs GitHub Copilot

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

Your tool
Pieces
vs
Competitor 1
Knowledge Plane
Competitor 2
Stacks
Competitor 3
GitHub Copilot
Compare
4 tools · best value per row highlighted
Your tool Pieces
pieces.app
Your personal AI coding assistant that remembers everything
Remove
Competitor Knowledge Plane
knowledgeplane.io
Engineering teams watch their AI tools hallucinate outdated project details
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
Competitor GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
169.6Kvisits/mo
—
6.3Kvisits/mo
637.9Mvisits/mo
MoM change
▼ 5.9%
—
▼ 8.4%
▲ 3.7%
6-month growth
-16.0%
—
-50.8%
+19.3%
Global rank web
#248,413
—
#3,182,249
#49
Avg. last 3 months
176.5K
—
6.1K
629.7M
Bounce rate lower is better
44%
0%
41%
36%
Pages / visit
2.2
—
1.7
5.9
Visit duration
45s
—
6s
6m 26s
Traffic sources
● Direct 68% · ● Referral 30%
—
—
● Direct 83% · ● Referral 15%
PiecesKnowledge PlaneStacksGitHub Copilot
0159.5M318.9M478.4M637.9MPieces · 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 · 6.3KGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9M1K10K100K1M10M100M1BPieces · 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 · 6.3KGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Paid
Freemium
Starting price
$18.99per month
$19per month · free tier available
$9per month
$4per month · free tier available
Free tier
–
–
Free trial
–
–
API access
–
–
–
Plans
Pro $18.99/moEnterprise $22.99/mo
—
Be Productive $89/yrBe Collaborative $199/yrBe Creative $349/yr
Free FreeTeam $4/moEnterprise $21/mo
Capabilities input → output
Input
AudioCodeText
CodeDocumentsText
DocumentsTextWeb pages
CodeText
Output
Text
Text
Text
Code
Skill level
Intermediate
Intermediate
Beginner-friendly
Intermediate
Categories
Development & CodeEducation & LearningProductivity & OfficeAI Assistant+2 more
Education & LearningAI Knowledge Management
Education & LearningProductivity & OfficeAI FilesAI Knowledge Management
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
5
7
4
4
Digital information management
–
Knowledge bases
–
–
Coding
–
–
Knowledge exploration
–
–
Code snippets
–
–
–
Knowledge graphs
–
–
–
Agents
–
–
–
Code reviews
–
–
–
Knowledge
–
–
–
Knowledge maps
–
–
–
Knowledge sourcing
–
–
–
Agent management
–
–
–
Code documentation
–
–
–
Knowledge exchange
–
–
–
Note taking
–
–
–
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
2
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.