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Customer.io alternatives
3 tools to consider instead of Customer.io, shown against it.
| Customer.io | Klaviyo | Braze | Mailchimp | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Customer.io | Klaviyo | Braze | Intuit Mailchimp | ||||||||||
| Pricing model | Usage-based | Usage-based | Quote only | Free tier + paid plans | ||||||||||
| Free tier | No | Yes | No | Yes | ||||||||||
| Deployment | Cloud | Cloud | Cloud | Cloud | ||||||||||
| Open source | No | No | No | No | ||||||||||
| Best for | Product and lifecycle teams that want messaging tied directly to event data without buying a full enterprise CDP-plus-engagement suite. | Ecommerce brands wanting revenue-attributed email/SMS reporting without a separate analytics tool. | Enterprise consumer brands running complex, multi-channel lifecycle journeys who need true incrementality measurement. | Small businesses that want straightforward email marketing and reporting without lifecycle-grade holdout testing. | ||||||||||
| Pricing | Priced by the maximum number of uniquely identified profiles/objects, across four tiers with annual billing; exact dollar figures are not published statically. Pricing has not been verified yet — see the vendor's site. | Priced by number of profiles (contacts); the free tier covers up to 250 profiles, and cost rises with list size via an interactive calculator rather than static tiers.
Prices read from the vendor's own page on September 21, 2026. Vendors change prices; check the source before you budget. | Quote-based, scaling with Monthly Active Users (MAU) via an Action Credits model; four editions (Go, Select, Pro, Enterprise) gate features, not published prices. Pricing has not been verified yet — see the vendor's site. | Free up to 250 contacts; paid tiers scale by contact count with a first-year discount above 10,000 contacts.
Prices read from the vendor's own page on September 21, 2026. Vendors change prices; check the source before you budget. | ||||||||||
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