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Head-to-head

Customer.io vs WhosOn

Two leading automation tools, compared on pricing, features, and editorial fit. Updated for 2026.

Customer.io logo
Customer.io

Messaging that actually fits your data.

From $100/mo
Visit Customer.io
WhosOn logo
WhosOn

Live chat and AI chatbot software for enterprise businesses

Price not listed
Visit WhosOn

At a glance

 Customer.ioWhosOn
TaglineMessaging that actually fits your data.Live chat and AI chatbot software for enterprise businesses
Pricing modelPaidPaid
Starts at$100/moNot listed
Founded2012—
AI-native
CategoriesEmail Marketing, AutomationAutomation, Customer Support
Vendor claimed

Quick take

Pick Customer.io if you need messaging that actually fits your data. Pick WhosOn if you need live chat and ai chatbot software for enterprise businesses.

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Frequently asked

Is Customer.io better than WhosOn?
It depends on your use case. Customer.io is messaging that actually fits your data, while WhosOn is live chat and ai chatbot software for enterprise businesses. See the comparison above for which fits your team.
What's the price difference between Customer.io and WhosOn?
Customer.io starts at $100/mo. WhosOn doesn't publish its pricing.
Can I migrate from Customer.io to WhosOn?
Most tools in this category support data import via CSV. For complex migrations, both vendors offer onboarding assistance on higher-tier plans.