Zapier vs Stack AI vs Google Opal vs Bika.ai

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

Your tool
Zapier
vs
Competitor 1
Stack AI
Competitor 2
GOGoogle Opal
Competitor 3
Bika.ai
Compare
4 tools · best value per row highlighted
Your tool Zapier
zapier.com
Connect your apps without writing code
Remove
Competitor Stack AI
stack-ai.com
Connect AI models visually
Make main Remove
Competitor GOGoogle Opal
opal.google
This experimental platform from Google lets you build and run AI experiments with direct ties to their ecosystem
Make main Remove
Competitor Bika.ai
bika.ai
Basic AI tools write tweets
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
5.3Mvisits/mo
6.3Kvisits/mo
1.2Mvisits/mo
35.4Kvisits/mo
MoM change
▼ 5.9%
▼ 57.9%
▼ 6.1%
▼ 9.9%
6-month growth
-26.7%
-93.7%
-57.1%
-37.2%
Global rank web
#6,051
#1,700,092
#37,425
#807,636
Avg. last 3 months
5.5M
13.9K
1.3M
38.2K
Bounce rate lower is better
38%
39%
35%
38%
Pages / visit
10.2
1.8
4.9
2.1
Visit duration
6m 43s
14s
4m 01s
29s
Traffic sources
● Direct 81% · ● Referral 12%
—
● Direct 80% · ● Referral 19%
—
ZapierStack AIGoogle OpalBika.ai
01.8M3.6M5.5M7.3MZapier · 6.3MZapier · 5.9MZapier · 6.8MZapier · 6.5MZapier · 7.3MZapier · 6.6MZapier · 6MZapier · 5.5MZapier · 5.7MZapier · 5.3MStack 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 · 6.3KGoogle Opal · 3.3MGoogle Opal · 3.5MGoogle Opal · 2.6MGoogle Opal · 2.7MGoogle Opal · 3MGoogle Opal · 2.1MGoogle Opal · 1.6MGoogle Opal · 1.2MGoogle Opal · 1.2MBika.ai · 56.7KBika.ai · 56.3KBika.ai · 61.4KBika.ai · 55.5KBika.ai · 56.5KBika.ai · 51.2KBika.ai · 41.5KBika.ai · 39.9KBika.ai · 39.3KBika.ai · 35.4K1K10K100K1M10MZapier · 6.3MZapier · 5.9MZapier · 6.8MZapier · 6.5MZapier · 7.3MZapier · 6.6MZapier · 6MZapier · 5.5MZapier · 5.7MZapier · 5.3MStack 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 · 6.3KGoogle Opal · 3.3MGoogle Opal · 3.5MGoogle Opal · 2.6MGoogle Opal · 2.7MGoogle Opal · 3MGoogle Opal · 2.1MGoogle Opal · 1.6MGoogle Opal · 1.2MGoogle Opal · 1.2MBika.ai · 56.7KBika.ai · 56.3KBika.ai · 61.4KBika.ai · 55.5KBika.ai · 56.5KBika.ai · 51.2KBika.ai · 41.5KBika.ai · 39.9KBika.ai · 39.3KBika.ai · 35.4KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$19.99per month · free tier available
Free tier
—
$16per month · free tier available
Free tier
–
Free trial
–
–
API access
–
–
Plans
Free FreeProfessional $19.99/moTeam $69/moEnterprise Custom
—
—
Free FreePlus $16/moTeam $33/moBusiness $166/mo
Capabilities input → output
Input
Text
DataDocumentsText
Text
DataText
Output
Apps
Apps
Apps
AppsDocumentsText
Skill level
Intermediate
Intermediate
Advanced
Intermediate
Categories
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeProductivity & OfficeAI App BuilderAI Workflow
Productivity & OfficeAI AgentAI Workflow
Tasks what each tool can do · 3 shared · core   partial
Tasks covered
6
7
4
8
Workflows
No-code
Agents
Agent collaboration
–
–
–
Agent creation
–
–
–
Business automation
–
–
–
Process automation
–
–
–
Prototyping
–
–
–
Email automation
–
–
–
Email marketing
–
–
–
Finance workflow automation
–
–
–
GitHub automation
–
–
–
Lead generation
–
–
–
Lead management
–
–
–
Productivity
–
–
–
Social media management
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 0
▲ 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.