Zapier vs Voiceflow vs Stack AI vs Activepieces

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

Your tool
Zapier
vs
Competitor 1
Voiceflow
Competitor 2
Stack AI
Competitor 3
Activepieces
Compare
4 tools · best value per row highlighted
Your tool Zapier
zapier.com
Connect your apps without writing code
Remove
Competitor Voiceflow
voiceflow.com
Design conversations visually
Make main Remove
Competitor Stack AI
stack-ai.com
Connect AI models visually
Make main Remove
Competitor Activepieces
activepieces.com
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
5.3Mvisits/mo
385Kvisits/mo
6.3Kvisits/mo
221.7Kvisits/mo
MoM change
▼ 5.9%
▼ 5.8%
▼ 57.9%
▲ 1.8%
6-month growth
-26.7%
-35.3%
-93.7%
-10.0%
Global rank web
#6,051
#93,201
#1,700,092
#174,361
Avg. last 3 months
5.5M
407.5K
13.9K
226.6K
Bounce rate lower is better
38%
38%
39%
39%
Pages / visit
10.2
5.2
1.8
3.8
Visit duration
6m 43s
3m 07s
14s
2m 39s
Traffic sources
● Direct 81% · ● Referral 12%
● Direct 75% · ● Referral 24%
—
● Direct 74% · ● Referral 24%
ZapierVoiceflowStack AIActivepieces
01.8M3.6M5.5M7.3MZapier · 6.3MZapier · 5.9MZapier · 6.8MZapier · 6.5MZapier · 7.3MZapier · 6.6MZapier · 6MZapier · 5.5MZapier · 5.7MZapier · 5.3MVoiceflow · 600.1KVoiceflow · 574.1KVoiceflow · 561.6KVoiceflow · 513.7KVoiceflow · 594.8KVoiceflow · 462.6KVoiceflow · 454KVoiceflow · 429.1KVoiceflow · 408.5KVoiceflow · 385KStack 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 · 6.3KActivepieces · 209.7KActivepieces · 239.2KActivepieces · 236KActivepieces · 187.9KActivepieces · 246.2KActivepieces · 223.6KActivepieces · 218.4KActivepieces · 240.1KActivepieces · 217.9KActivepieces · 221.7K1K10K100K1M10MZapier · 6.3MZapier · 5.9MZapier · 6.8MZapier · 6.5MZapier · 7.3MZapier · 6.6MZapier · 6MZapier · 5.5MZapier · 5.7MZapier · 5.3MVoiceflow · 600.1KVoiceflow · 574.1KVoiceflow · 561.6KVoiceflow · 513.7KVoiceflow · 594.8KVoiceflow · 462.6KVoiceflow · 454KVoiceflow · 429.1KVoiceflow · 408.5KVoiceflow · 385KStack 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 · 6.3KActivepieces · 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
Freemium
Starting price
$19.99per month · free tier available
Free tier
Free tier
$20per month · free tier available
Free tier
Free trial
–
API access
–
–
Plans
Free FreeProfessional $19.99/moTeam $69/moEnterprise Custom
—
—
Free FreePlus $20/moTeam $200/mo
Capabilities input → output
Input
Text
DocumentsText
DataDocumentsText
Text
Output
Apps
Apps
Apps
Apps
Skill level
Intermediate
Intermediate
Intermediate
Intermediate
Categories
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Business & MarketingChatbots & CompanionsProductivity & OfficeAI Agent+3 more
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Productivity & OfficeAI AgentAI Workflow
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
6
13
7
4
Agents
No-code
Workflows
–
Agent creation
–
Customer support
–
–
–
Customer support chatbot
–
–
–
Voice agents
–
–
–
Business automation
–
–
–
Call agents
–
–
–
Call center automation
–
–
–
Calls
–
–
–
Chatbot building
–
–
–
Chatbots
–
–
–
Process automation
–
–
–
Call answering
–
–
–
Finance workflow automation
–
–
–
Lead generation
–
–
–
Lead management
–
–
–
Productivity
–
–
–
Website to chatbot
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 1
▲ 0
▲ 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.