Best Customer.io Alternatives in 2026
Updated
20 apps from email marketing software ranked against Customer.io on the same published basis.
- 1Customer.io vs listmonk
- 2Customer.io vs Mailchimp
- 3Customer.io vs OpenEMM
- 4Customer.io vs SendPulse
- 5Customer.io vs Twilio Segment
- 6Customer.io vs arrobaMail
- 7Customer.io vs AWeber
- 8Customer.io vs Brevo Conversations
- 9Customer.io vs Direct Mail
- 10Customer.io vs DirectIQ
- 11Customer.io vs Klaviyo
- 12Customer.io vs Loops
- 13Customer.io vs MailerLite
- 14Customer.io vs Mailjet
- 15Customer.io vs Mailtrain
- 16Customer.io vs phpList
- 17Customer.io vs PushOwl
- 18Customer.io vs Sender
- 19Customer.io vs Zoho Campaigns
- 20Customer.io vs 1and1Mail
Customer.io alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | listmonk | 6.5 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 2 | Mailchimp | 6.5 | Free plan | Free | Web, iOS, Android |
| 3 | OpenEMM | 6.5 | Free plan | Free | Web, Windows, Mac, Linux |
| 4 | SendPulse | 6.5 | Free plan | $9.60/mo | Web, iOS, Android |
| 5 | Twilio Segment | 6.5 | Free plan | $120/mo | Web, iOS, Android |
| 6 | arrobaMail | 6.4 | Free plan | ARS 5,290/mo | Web |
| 7 | AWeber | 6.4 | Free plan | $4.99/mo | API, Web |
| 8 | Brevo Conversations | 6.4 | Free plan | $15/mo | Web, iOS, Android |
| 9 | Direct Mail | 6.4 | Free plan | Free | Mac, iOS |
| 10 | DirectIQ | 6.4 | Free plan | $19/mo | API, Web |
| 11 | Klaviyo | 6.4 | Free plan | Free | Web |
| 12 | Loops | 6.4 | Free plan | $49/mo | Web |
| 13 | MailerLite | 6.4 | Free plan | $12/mo | iOS |
| 14 | Mailjet | 6.4 | Free plan | $9/mo | API, Web |
| 15 | Mailtrain | 6.4 | Free plan | Free | API, Linux, self-hosted, Web |
| 16 | phpList | 6.4 | Free plan | Free | Web |
| 17 | PushOwl | 6.4 | Free plan | $19/mo | Web |
| 18 | Sender | 6.4 | Free plan | $6.30/mo | API, Web |
| 19 | Zoho Campaigns | 6.4 | Free plan | Free | Web, iOS, Android |
| 20 | 1and1Mail | 6.3 | Free plan | Free | Windows |
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Questions about Customer.io alternatives
What is the best alternative to Customer.io?
listmonk, number 1 in email marketing software with a score of 6.5 out of 10. The others here: Mailchimp, OpenEMM, SendPulse and 16 more.
What is the best free alternative to Customer.io?
listmonk is the best-ranked alternative with a free plan. 20 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.