Head-to-head
Customer.io vs Rejoiner
Two leading email marketing tools, compared on pricing, features, and editorial fit. Updated for 2026.
Rejoiner
Retention marketing platform for ecommerce email, SMS, and postcards
From $25/mo
Visit RejoinerAt a glance
| Customer.io | Rejoiner | |
|---|---|---|
| Tagline | Messaging that actually fits your data. | Retention marketing platform for ecommerce email, SMS, and postcards |
| Pricing model | Paid | Paid |
| Starts at | $100/mo | $25/mo |
| Founded | 2012 | — |
| AI-native | ||
| Categories | Email Marketing, Automation | SMS & Push, Ecommerce Platforms, Email Marketing |
| Vendor claimed |
Quick take
Pick Customer.io if you need messaging that actually fits your data. Pick Rejoiner if you need retention marketing platform for ecommerce email, sms, and postcards.
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Frequently asked
- Is Customer.io better than Rejoiner?
- It depends on your use case. Customer.io is messaging that actually fits your data, while Rejoiner is retention marketing platform for ecommerce email, sms, and postcards. See the comparison above for which fits your team.
- What's the price difference between Customer.io and Rejoiner?
- Customer.io starts at $100/mo. Rejoiner starts at $25/mo.
- Can I migrate from Customer.io to Rejoiner?
- Most tools in this category support data import via CSV. For complex migrations, both vendors offer onboarding assistance on higher-tier plans.