Stack AI vs Dify vs Activepieces 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
Activepieces
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 Activepieces
activepieces.com
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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
221.7Kvisits/mo
—
MoM change
▼ 57.9%
▼ 16.6%
▲ 1.8%
—
6-month growth
-93.7%
-30.6%
-10.0%
—
Global rank web
#1,700,092
#39,510
#174,361
—
Avg. last 3 months
13.9K
1.1M
226.6K
—
Bounce rate lower is better
39%
41%
39%
—
Pages / visit
1.8
4.4
3.8
—
Visit duration
14s
6m 40s
2m 39s
—
Traffic sources
—
● Direct 84% · ● Referral 15%
● Direct 74% · ● Referral 24%
—
Stack AIDifyActivepiecesAppian
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 · 1MActivepieces · 209.7KActivepieces · 239.2KActivepieces · 236KActivepieces · 187.9KActivepieces · 246.2KActivepieces · 223.6KActivepieces · 218.4KActivepieces · 240.1KActivepieces · 217.9KActivepieces · 221.7K1K10K100K1M10MStack 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 · 1MActivepieces · 209.7KActivepieces · 239.2KActivepieces · 236KActivepieces · 187.9KActivepieces · 246.2KActivepieces · 223.6KActivepieces · 218.4KActivepieces · 240.1KActivepieces · 217.9KActivepieces · 221.7KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
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Starting price
Free tier
$590per month · free tier available
$20per month · free tier available
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Free tier
–
Free trial
–
–
–
API access
–
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Plans
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Sandbox FreeProfessional $590/yrTeam $1,590/yrEnterprise Custom
Free FreePlus $20/moTeam $200/mo
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Capabilities input → output
Input
DataDocumentsText
DocumentsText
Text
DataDocumentsText
Output
Apps
Apps
Apps
Apps
Skill level
Intermediate
Intermediate
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+4 more
Productivity & OfficeAI AgentAI Workflow
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Tasks what each tool can do · 4 shared · core   partial
Tasks covered
7
9
4
8
No-code
Agents
Workflows
Agent creation
Process automation
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Business automation
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Finance workflow automation
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Chatbots
–
–
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Developer tools
–
–
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LLM development
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–
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Development
–
–
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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.