Campaign Monitor vs Customer.io: Pricing Comparison 2026
Side-by-side pricing comparison of Campaign Monitor and Customer.io. See all plans, features, and costs at a glance.
Bottom line: Campaign Monitor starts at $10/mo, making it $90/mo cheaper than Customer.io ($100/mo). Neither offers a free plan.
Last updated: March 16, 2026
Campaign Monitor vs Customer.io: Quick Pricing Facts
| Feature | Campaign Monitor | Customer.io |
|---|---|---|
| Starting Price | $10/mo | $100/mo |
| Number of Plans | 4 | 3 |
| Free Tier | No | No |
| Pricing Model | usage-based | usage-based |
| Annual Discount | N/A | N/A |
Campaign Monitor is the more affordable option, starting at $10/mo compared to Customer.io's $100/mo. Both are Email Marketing tools with 7 combined pricing plans and 24 features compared.
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 |  Campaign Monitor Try it free |  Customer.io Try it free |
|---|---|---|
| Tier 1 | Lite $10/monthCheapest Includes
| Essentials $100/month |
| Tier 2 | EssentialsPopular $21/monthCheapest Includes
| Premium $1000/month |
| Tier 3 | Premier $119/monthCheapest Includes
| Enterprise Custom pricing |
| Tier 4 | Enterprise Custom pricing Includes
| — |
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Campaign Monitor
Campaign Monitor starts at $90/mo lower ($10/mo vs $100/mo), offers 4 tiers vs 3.
Based on pricing data only. Review the full comparison below for your specific needs.
Best value: Campaign Monitor
Try Campaign Monitor freeWhich Should You Choose?
Choose Campaign Monitor if:
- •You want lower per-user costs—Campaign Monitor starts at $10/mo, saving $90/mo compared to Customer.io at $100/mo
- •You need 4 pricing tiers for flexible team sizing—more options mean less overpaying for features you don't need
- •You want more features built-in—Campaign Monitor offers 24 additional features across its plans
Choose Customer.io if:
- •Customer.io's usage-based pricing lets you match exact team size without tier gaps
- •Customer.io's feature bundling aligns with how Email Marketing teams actually work day-to-day
- •Customer.io better aligns with Email Marketing-specific workflows and team collaboration patterns
Campaign Monitor is the more affordable choice [1], starting at $10/mo compared to Customer.io's $100/mo. For a 50-person team on paid plans, this translates to Campaign Monitor saving approximately $4500/month. Campaign Monitor offers 4 pricing tiers compared to Customer.io's 3, giving you more granular control over scaling costs as your team grows. Across all tiers, Campaign Monitor provides 24 total features versus 0 for Customer.io, offering a richer feature set depending on your specific needs. The pricing math favors Campaign Monitor for most team sizes. Customer.io becomes worth the premium only when its differentiating features are central to your workflow.
Frequently Asked Questions: Campaign Monitor vs Customer.io
Which is cheaper, Campaign Monitor or Customer.io?
How many pricing plans does Campaign Monitor have vs Customer.io?
What is the most popular Campaign Monitor plan?
Does Campaign Monitor or Customer.io offer custom enterprise pricing?
How do Campaign Monitor and Customer.io compare for Email Marketing?
Sources
- Campaign Monitor Official Pricing— Vendor pricing page
- Customer.io Official Pricing— Vendor pricing page
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