Stack AI vs Dify vs CrewAI vs Appian

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

Your tool
Stack AI
vs
Competitor 1
Dify
Competitor 2
CrewAI
Competitor 3
Appian
Compare
4 tools · best value per row highlighted
Your tool Stack AI
stack-ai.com
Connect AI models visually
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Competitor Dify
dify.ai
AI apps without code
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Competitor CrewAI
crewai.com
CrewAI is a multi-agent platform that covers the full agent lifecycle for businesses: discover what to automate, build agents, govern them in production and optimize them over time.
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Competitor Appian
appian.com
Appian is an enterprise platform for process automation that orchestrates AI agents, existing systems and people from one place.
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Traffic estimated monthly website traffic
Monthly visits
6.3Kvisits/mo
1Mvisits/mo
476.6Kvisits/mo
—
MoM change
▼ 57.9%
▼ 16.6%
▼ 10.3%
—
6-month growth
-93.7%
-30.6%
-5.3%
—
Global rank web
#1,700,092
#39,510
#107,487
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Avg. last 3 months
13.9K
1.1M
564.3K
—
Bounce rate lower is better
39%
41%
46%
—
Pages / visit
1.8
4.4
2.6
—
Visit duration
14s
6m 40s
1m 32s
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Traffic sources
—
● Direct 84% · ● Referral 15%
● Direct 75% · ● Referral 23%
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Stack AIDifyCrewAIAppian
0368.2K736.4K1.1M1.5MStack AI · 143.4KStack AI · 153.7KStack AI · 167.9KStack AI · 160KStack AI · 99.4KStack AI · 35.9KStack AI · 17.4KStack AI · 20.6KStack AI · 14.9KStack AI · 6.3KDify · 1.1MDify · 1.2MDify · 1.3MDify · 1.1MDify · 1.5MDify · 1.2MDify · 1.1MDify · 1.2MDify · 1.2MDify · 1MCrewAI · 408.9KCrewAI · 417.1KCrewAI · 521.4KCrewAI · 503.5KCrewAI · 610.1KCrewAI · 646.1KCrewAI · 685.2KCrewAI · 531.1KCrewAI · 476.6K1K10K100K1M10MStack AI · 143.4KStack AI · 153.7KStack AI · 167.9KStack AI · 160KStack AI · 99.4KStack AI · 35.9KStack AI · 17.4KStack AI · 20.6KStack AI · 14.9KStack AI · 6.3KDify · 1.1MDify · 1.2MDify · 1.3MDify · 1.1MDify · 1.5MDify · 1.2MDify · 1.1MDify · 1.2MDify · 1.2MDify · 1MCrewAI · 408.9KCrewAI · 417.1KCrewAI · 521.4KCrewAI · 503.5KCrewAI · 610.1KCrewAI · 646.1KCrewAI · 685.2KCrewAI · 531.1KCrewAI · 476.6KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Free
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Starting price
Free tier
$590per month · free tier available
Free
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Free tier
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Free trial
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–
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API access
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Plans
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Sandbox FreeProfessional $590/yrTeam $1,590/yrEnterprise Custom
Basic FreeEnterprise $0
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Capabilities input → output
Input
DataDocumentsText
DocumentsText
Text
DataDocumentsText
Output
Apps
Apps
AppsCode
Apps
Skill level
Intermediate
Intermediate
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+4 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools+2 more
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Tasks what each tool can do · 4 shared · core   partial
Tasks covered
7
9
9
8
Agents
No-code
Workflows
Agent creation
Process automation
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Business automation
–
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Developer tools
–
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Development
–
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Finance workflow automation
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Agent collaboration
–
–
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Agent management
–
–
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Chatbots
–
–
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LLM development
–
–
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Agent testing
–
–
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Document data extraction
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–
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Productivity
–
–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 0
▲ 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.