Transparency alternatives to Buttondown
Other Email marketing vendors we measure, sorted by how much they publish that Buttondown does not. This is a comparison of disclosure, not of features or fitness.
12 shown of 27 that differ from Buttondown on at least one criterion we measured for both. Public transparency score, not a product or security rating.
Buttondown has 5 gaps in what we could measure: Data location stated, Status page with history, Certifications named, Uptime SLA with a figure, No third-party tracking before consent. The column “publishes and Buttondown does not” is the one that closes them.
| Vendor | Score | Publishes, and Buttondown does not | Buttondown publishes, and they do not | |
|---|---|---|---|---|
| Mailgunmailgun.com | 83/100 | 5 Data location stated, Status page with history, Certifications named, +2 | 2 Subprocessor list, security.txt (RFC 9116) | Compare |
| Customer.iocustomer.io | 78/100 | 3 Data location stated, Status page with history, Certifications named | 2 security.txt (RFC 9116), Named privacy contact | Compare |
| ActiveCampaignactivecampaign.com | 74/100 | 3 Status page with history, Certifications named, Uptime SLA with a figure | 1 security.txt (RFC 9116) | Compare |
| CleverReachcleverreach.com | 48/100 | 3 Data location stated, Status page with history, No third-party tracking before consent | 4 Data processing agreement, Subprocessor list, HTTPS enforced with HSTS, +1 | Compare |
| Klaviyoklaviyo.com | 65/100 | 2 Status page with history, Certifications named | 2 security.txt (RFC 9116), Named privacy contact | Compare |
| Kitkit.com | 48/100 | 2 Data location stated, Certifications named | 4 Subprocessor list, HTTPS enforced with HSTS, security.txt (RFC 9116), +1 | Compare |
| Brevobrevo.com | 36/100 | 2 Data location stated, Certifications named | 4 Data processing agreement, Subprocessor list, Notice before subprocessors change, +1 | Compare |
| Elastic Emailelasticemail.com | 35/100 | 2 Data location stated, Status page with history | 5 Data processing agreement, Subprocessor list, HTTPS enforced with HSTS, +2 | Compare |
| Mailchimpmailchimp.com | 57/100 | 1 Data location stated | 2 HTTPS enforced with HSTS, Notice before subprocessors change | Compare |
| Omnisendomnisend.com | 57/100 | 1 Status page with history | 1 Subprocessor list | Compare |
| Emailableemailable.com | 48/100 | 1 Status page with history | 3 Subprocessor list, security.txt (RFC 9116), Named privacy contact | Compare |
| EmailOctopusemailoctopus.com | 43/100 | 1 Data location stated | 4 Subprocessor list, security.txt (RFC 9116), Notice before subprocessors change, +1 | Compare |
Only criteria we could measure for both are counted. Where we could measure one and not the other, the row is silent: that would be a statement about our measurement, not about either vendor. Every single result with its source is on the two profiles.