Overview
Keila and Plunk serve different needs in the email space. Keila is a open-source email newsletter tool with EU hosting. Plunk is a open-source modern email platform.
The choice depends on what you need: open source (agplv3) (Keila) or open source (Plunk). For SaaS businesses specifically, Sequenzy offers purpose-built features that neither tool provides.
Pricing Comparison
- Keila: $8-32/month (cloud) - Open source (AGPLv3). Self-hosted free. EU cloud.
- Plunk: Free tier, then usage-based - Open source. Modern stack. Transactional + marketing.
- Sequenzy: $49/month for 10,000 subscribers, fully managed. See pricing.
Where Keila Wins
Open source (AGPLv3)
Keila offers open source (agplv3), which is a genuine advantage for teams that need it.
EU cloud hosting
Keila offers eu cloud hosting, which is a genuine advantage for teams that need it.
Visual editor + MJML
Keila offers visual editor + mjml, which is a genuine advantage for teams that need it.
Privacy-first
Keila offers privacy-first, which is a genuine advantage for teams that need it.
Where Plunk Wins
Open source
Plunk offers open source, which matters for teams that prioritize this.
Modern stack
Plunk offers modern stack, which matters for teams that prioritize this.
Transactional + marketing
Plunk offers transactional + marketing, which matters for teams that prioritize this.
Developer-friendly
Plunk offers developer-friendly, which matters for teams that prioritize this.
Why Sequenzy for SaaS
If you are building a SaaS product, Sequenzy offers what neither Keila nor Plunk provides: native Stripe integration for billing-based automation, AI sequences that generate onboarding and retention emails, and unified transactional + marketing email in one platform. Check our pricing page for details.