Head-to-head
Customer.io vs Gmelius
Two leading automation tools, compared on pricing, features, and editorial fit. Updated for 2026.
At a glance
| Customer.io | Gmelius | |
|---|---|---|
| Tagline | Messaging that actually fits your data. | AI agents and shared inboxes for teams working in Gmail |
| Pricing model | Paid | Paid |
| Starts at | $100/mo | $19/mo |
| Founded | 2012 | — |
| AI-native | ||
| Categories | Email Marketing, Automation | Marketing Project Management, Automation, Customer Support |
| Vendor claimed |
Quick take
Pick Customer.io if you need messaging that actually fits your data. Pick Gmelius if you need ai agents and shared inboxes for teams working in gmail.
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Frequently asked
- Is Customer.io better than Gmelius?
- It depends on your use case. Customer.io is messaging that actually fits your data, while Gmelius is ai agents and shared inboxes for teams working in gmail. See the comparison above for which fits your team.
- What's the price difference between Customer.io and Gmelius?
- Customer.io starts at $100/mo. Gmelius starts at $19/mo.
- Can I migrate from Customer.io to Gmelius?
- Most tools in this category support data import via CSV. For complex migrations, both vendors offer onboarding assistance on higher-tier plans.