Stack AI vs Appian vs Zapier vs Pipefy

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

Your tool
Stack AI
vs
Competitor 1
Appian
Competitor 2
Zapier
Competitor 3
Pipefy
Compare
4 tools · best value per row highlighted
Your tool Stack AI
stack-ai.com
Connect AI models visually
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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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Competitor Zapier
zapier.com
Connect your apps without writing code
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Competitor Pipefy
pipefy.com
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Traffic estimated monthly website traffic
Monthly visits
6.3Kvisits/mo
—
5.3Mvisits/mo
2.7Mvisits/mo
MoM change
▼ 57.9%
—
▼ 5.9%
▲ 13.8%
6-month growth
-93.7%
—
-26.7%
+18.7%
Global rank web
#1,700,092
—
#6,051
#17,377
Avg. last 3 months
13.9K
—
5.5M
2.6M
Bounce rate lower is better
39%
—
38%
45%
Pages / visit
1.8
—
10.2
7.4
Visit duration
14s
—
6m 43s
9m 54s
Traffic sources
—
—
● Direct 81% · ● Referral 12%
● Direct 80% · ● Mail 13%
Stack AIAppianZapierPipefy
01.8M3.6M5.5M7.3MStack 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 · 6.3KZapier · 6.3MZapier · 5.9MZapier · 6.8MZapier · 6.5MZapier · 7.3MZapier · 6.6MZapier · 6MZapier · 5.5MZapier · 5.7MZapier · 5.3MPipefy · 2.1MPipefy · 2.2MPipefy · 2.4MPipefy · 2.3MPipefy · 2.9MPipefy · 2.4MPipefy · 2.6MPipefy · 2.4MPipefy · 2.7M1K10K100K1M10MStack 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 · 6.3KZapier · 6.3MZapier · 5.9MZapier · 6.8MZapier · 6.5MZapier · 7.3MZapier · 6.6MZapier · 6MZapier · 5.5MZapier · 5.7MZapier · 5.3MPipefy · 2.1MPipefy · 2.2MPipefy · 2.4MPipefy · 2.3MPipefy · 2.9MPipefy · 2.4MPipefy · 2.6MPipefy · 2.4MPipefy · 2.7MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
—
Freemium
Freemium
Starting price
Free tier
—
$19.99per month · free tier available
Free tier
Free tier
–
Free trial
–
–
API access
–
–
–
Plans
—
—
Free FreeProfessional $19.99/moTeam $69/moEnterprise Custom
Starter FreeBusiness CustomEnterprise Custom
Capabilities input → output
Input
DataDocumentsText
DataDocumentsText
Text
DataText
Output
Apps
Apps
Apps
Apps
Skill level
Intermediate
Advanced
Intermediate
Intermediate
Categories
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Tasks what each tool can do · 3 shared · core   partial
Tasks covered
7
8
6
4
No-code
Workflows
Agents
Agent creation
–
Process automation
–
–
Business automation
–
–
Finance workflow automation
–
–
Document data extraction
–
–
–
Lead generation
–
–
–
Lead management
–
–
–
Productivity
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 1
▲ 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.