KeilaEasy and reliable open source email newsletters
vs
PostmarkThe email delivery service that people actually like
Comparison · Email Marketing · weekly run Nov 2
Keila vs Postmark
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Postmark is the stronger AI pick in Email Marketing: it has a visibility score of 1.9 versus 0 for Keila.
Choose Keila if…
No clear advantage in the published data.
Choose Postmark if…
- You want the brand AI engines rank higher (1.9 vs 0)
- You need GDPR coverage
- recommended for transactional email
- suited to reliable transactional email
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Keila | Postmark |
|---|---|---|
| Visibility score | 0% | 1.9% |
| Change vs last week | New | New |
| Rank in Email Marketing | #50 | #29 |
| Share of voice | 0% | 0.9% |
| Mentions this run | 0 | 5 |
| Positive in AI answers | — | — |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Keila 0pp · Postmark 0pp over 0 weekly runs.
Engine by engine
Postmark leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
KeilaPostmark
Head to head in AI answers
0 engine answers name both brands
0Keila ranked higher
0Postmark ranked higher
Features, pricing & fit
| Dimension | Keila | Postmark |
|---|---|---|
| Pricing model | — | Usage-based |
| Entry price | — | Free; paid from $15 / mo |
| Free plan | — | Yes |
| Deployment | Self-hosted with an official Docker image, or managed through Keila Cloud | Cloud |
| Compliance | — | GDPR |
| Support | Direct support for Keila Cloud customers with templates, forms and spam complaints, Paid help setting up a self-hosted instance | Contact form |
| Founded | — | 2010 |
| Headquarters | Seybothenreuth, Germany | — |
| Funding | Bootstrapped | — |
| Best for | Organisations that want an open-source, EU-hosted alternative to Mailchimp, whether self-hosted or managed | Developers and product teams that need reliable transactional email |
Plans side by side
Keila
Pricing not available.
Postmark
Free$0month
Basic$15month
Pro$16.5month
Platform$18month
High volumeCustomcustom
Pros and cons
Themes from the AI answers that mention each brand
Keila
Profile in progress.
Postmark
- recommended for transactional email
- suited to reliable transactional email
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Keila vs Postmark”, https://slateindex.ai/compare/keila-vs-postmark, data of Nov 2, 2026. Licence: CC BY 4.0.