KeilaEasy and reliable open source email newsletters
vs
MailgunTransactional Email API Service For Developers
Comparison · Email Marketing · weekly run Nov 2
Keila vs Mailgun
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Mailgun is the stronger AI pick in Email Marketing: it has a visibility score of 0.9 versus 0 for Keila.
Choose Keila if…
No clear advantage in the published data.
Choose Mailgun if…
- You want the brand AI engines rank higher (0.9 vs 0)
- You need SOC 2 Type II or ISO/IEC 27001 or ISO 27701 or GDPR compliant or HIPAA compliant or PCI-compliant SAQ-A merchant coverage
- recommended for sending larger volumes programmatically
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Keila | Mailgun |
|---|---|---|
| Visibility score | 0% | 0.9% |
| Change vs last week | New | New |
| Rank in Email Marketing | #50 | #36 |
| Share of voice | 0% | 0.2% |
| Mentions this run | 0 | 1 |
| Positive in AI answers | — | 0% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Keila 0pp · Mailgun 0pp over 0 weekly runs.
Engine by engine
Mailgun leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
KeilaMailgun
Head to head in AI answers
0 engine answers name both brands
0Keila ranked higher
0Mailgun ranked higher
Features, pricing & fit
| Dimension | Keila | Mailgun |
|---|---|---|
| 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, hosted in US and EU regions |
| Compliance | — | SOC 2 Type II, ISO/IEC 27001, ISO 27701, GDPR compliant, HIPAA compliant, PCI-compliant SAQ-A merchant |
| Support | Direct support for Keila Cloud customers with templates, forms and spam complaints, Paid help setting up a self-hosted instance | Knowledge Center, Documentation, Ticket support, Chat support on higher plans |
| Founded | — | 2010 |
| Headquarters | Seybothenreuth, Germany | — |
| Employees | — | 201–500 |
| Funding | Bootstrapped | Growth investment (Thoma Bravo) · $51M raised |
| Best for | Organisations that want an open-source, EU-hosted alternative to Mailchimp, whether self-hosted or managed | Developers and engineering teams that need to send transactional and marketing email through an API |
Plans side by side
Keila
Pricing not available.
Mailgun
Free$0month
Basic$15month (10,000 emails included)
Foundation$35month (50,000 emails included)
Scale$90month (100,000 emails included)
EnterpriseCustomcustom
Pros and cons
Themes from the AI answers that mention each brand
Keila
Profile in progress.
Mailgun
- recommended for sending larger volumes programmatically
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Keila vs Mailgun”, https://slateindex.ai/compare/keila-vs-mailgun, data of Nov 2, 2026. Licence: CC BY 4.0.