Customer.io vs MailerCloud: Pricing Comparison 2026
Side-by-side pricing comparison of Customer.io and MailerCloud. See all plans, features, and costs at a glance.
Bottom line: Customer.io starts at $100/mo and MailerCloud starts at Custom pricing. Compare all 5 pricing tiers side by side.
Last updated: March 16, 2026
Customer.io vs MailerCloud: Quick Pricing Facts
| Feature | Customer.io | MailerCloud |
|---|---|---|
| Starting Price | $100/mo | Custom pricing |
| Number of Plans | 3 | 2 |
| Free Tier | No | Yes |
| Pricing Model | usage-based | usage-based |
| Annual Discount | N/A | N/A |
Customer.io and MailerCloud are both priced at $100/mo, making them equally accessible Email Marketing tools. Together they offer 5 pricing plans with 0 features compared, so the best choice comes down to which features match your needs.
MailerCloud stands out with a free plan for getting started.
Review the detailed tier-by-tier comparison above to see exactly which features are included at each price point and find the best fit for your Email Marketing needs.
| Pricing Plans |  Customer.io Try it free |  MailerCloud Try it free |
|---|---|---|
| Tier 1 | Essentials $100/month | /Month $0/monthCheapest |
| Tier 2 | Premium $1000/monthCheapest | $10 Custom pricing |
| Tier 3 | Enterprise Custom pricing | — |
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MailerCloud
MailerCloud offers a free plan.
Based on pricing data only. Review the full comparison below for your specific needs.
Best value: MailerCloud
Try MailerCloud freeWhich Should You Choose?
Choose Customer.io if:
- •You need 3 pricing tiers for flexible team sizing—more options mean less overpaying for features you don't need
- •You prioritize Customer.io's user experience and interface over price (both tools are similarly priced)
- •Customer.io's 3-tier usage-based structure gives clearer cost visibility for budget planning
Choose MailerCloud if:
- •You need a free plan with core features—MailerCloud offers no-cost access with no credit card required
- •You prioritize MailerCloud's user experience and interface over price (both tools are similarly priced)
- •MailerCloud's usage-based pricing lets you match exact team size without tier gaps
MailerCloud offers a free plan [1], eliminating the cost barrier for evaluation, while Customer.io requires paid subscription from the start. This gives MailerCloud a significant advantage for teams with budget constraints or extended trial periods. Once you outgrow MailerCloud's free tier, upgrading to a paid plan at approximately Custom pricing provides substantial additional functionality. Compare this pricing path against Customer.io's tiering starting at $100/mo to assess total cost of ownership over 12 months. MailerCloud's 2 tiers provide flexibility at different budgets, while Customer.io's 3 tiers structure may force you into higher-cost plans than necessary for your use case. If evaluation cost matters to your decision, MailerCloud is the obvious starting point with zero financial commitment. Use the free tier to validate core functionality before committing to paid plans from either tool.
Frequently Asked Questions: Customer.io vs MailerCloud
How many pricing plans does Customer.io have vs MailerCloud?
Does Customer.io or MailerCloud offer a free plan?
Does Customer.io or MailerCloud offer custom enterprise pricing?
How do Customer.io and MailerCloud compare for Email Marketing?
Sources
- Customer.io Official Pricing— Vendor pricing page
- MailerCloud Official Pricing— Vendor pricing page
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