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