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Sequenzy vs Keila

Keila is an open-source newsletter tool with EU hosting. Sequenzy is a managed SaaS marketing platform. Both have their place.

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Free plan, paid from $19/mo for 15,000 emailsUnlimited contacts

The short answer

Sequenzy vs Keila at a glance

Keila is an open-source email newsletter tool built in Elixir with both self-hosted and EU cloud options. Cloud pricing starts at $8/mo for 2,000 emails with unlimited contacts. It features a visual block editor, Markdown support, MJML for custom layouts, segmentation, and a focus on privacy. Sequenzy is a fully managed SaaS marketing platform with Stripe integration, AI content generation, and combined transactional + marketing emails. Keila wins on open source, EU hosting, privacy, and cost. Sequenzy wins on SaaS features, automation, and managed infrastructure.

Our verdict

Choose Keila if you value open source, want EU hosting, need a privacy-focused newsletter tool, or want to self-host for free. Choose Sequenzy if you're a SaaS founder who needs Stripe integration, advanced automation, AI content generation, and a fully managed platform.

Where Sequenzy has the edge

  • Fully managed platform (no servers)
  • Native Stripe integration for SaaS
  • AI-generated email sequences
  • Advanced marketing automation
  • Transactional + marketing in one
  • Direct founder support

Where Keila has the edge

  • Not open source
  • No self-hosted option
  • More expensive than Keila
  • No EU-specific hosting
  • No MJML support

Pricing

Real Pricing Comparison

Keila is cheaper at low volume and free self-hosted. At 15k emails/month, Sequenzy costs less and includes more features.

Sequenzy

Unlimited contacts

$19/month

15,000 emails/month, all features included

Or start free with 2,500 emails/month.

Sending more?

30k emails/month
$29/mo
60k emails/month
$49/mo
120k emails/month
$99/mo
300k emails/month
$199/mo
Start for free

No credit card required. See all plans

Keila

$8-32/month

Cloud from $8/mo (2k emails) to $32/mo (15k emails). Self-hosted is free.

Based on Keila's public pricing. Check their site for current plans and add-ons.

Keila pricing explained
IncludedSequenzyKeila
Self-hosted optionNoYes (free, open source)
Cloud at ~10k emails/mo$19/mo (15k emails, full platform)~$32/mo (Keila M)
Unlimited contactsYes, on every planYes (all plans)
Stripe integrationNativeNo
AI content generationFullNo
Marketing automationFull automation builderPlanned (not yet available)

Features

Feature-by-feature comparison

Where Sequenzy wins, where Keila wins, and where they are even.

FeatureSequenzyKeila

Where Sequenzy Wins

Stripe Integration

Native SaaS subscription sync with MRR, churn, lifecycle. Keila has no billing integrations.
Yes
No

AI Content Generation

AI writes entire email sequences. Keila has no AI features.
Yes
No

Marketing Automation

Visual automation builder with triggers and conditions. Keila lists automation as planned but not yet shipped.
Yes
No

Transactional Emails

Full transactional email support with API. Keila supports transactional alongside campaigns but with simpler tooling.
Yes
Partial

Advanced Segmentation

Behavioral segments with Stripe data. Keila has contact data and behavior-based segments.
Yes
Partial

Managed Infrastructure

Fully managed. Keila cloud is managed. Self-hosted requires your own infrastructure.
Yes
Partial

Where Keila Wins

Open Source

Keila is fully open source (AGPLv3). No proprietary premium features. Sequenzy is closed source.
No
Yes

Self-Hosted (Free)

Run Keila on your own server for free via Docker. Complete data ownership.
No
Yes

EU Cloud Hosting

Keila cloud runs on EU infrastructure (Germany and France). Strict EU privacy standards.
No
Yes

Privacy Focus

Tracking can be disabled with one click. Privacy-first design. Made in Germany and France.
Partial
Yes

Unlimited Contacts

All Keila plans include unlimited contacts and projects. Sequenzy also includes unlimited contacts and charges by email volume.
Yes, on every plan
Yes

Pricing

Keila is significantly cheaper, especially with self-hosting.
Free, then from $19/mo
$8-32/mo (or free self-hosted)

MJML Support

Keila supports MJML for fully custom responsive email layouts. Sequenzy uses its own editor format.
No
Yes

Comparable Features

Visual Email Editor

Both have block-based visual editors for creating emails.
Yes
Yes

Markdown Support

Keila has first-class Markdown support. Sequenzy focuses on the visual editor.
Partial
Yes

Forms

Both offer signup forms with customizable fields.
Yes
Yes

API

Both provide REST APIs for integration.
Yes
Yes

Segmentation

Both support contact segmentation based on data and behavior.
Yes
Yes

Best Fit by Open-Source Newsletter Need

Best Keila alternative for SaaS lifecycle email

Sequenzy is the better Keila alternative when the team needs Stripe-triggered onboarding, transactional email, AI-written sequences, and subscriber lifecycle analytics instead of a privacy-first newsletter tool. Start with Stripe integration, SaaS onboarding templates, and SaaS lifecycle marketing tools.

Best platform for open-source EU newsletters

Keila is the better fit when open source, EU hosting, Markdown/MJML editing, and simple newsletter publishing are the actual requirements. Compare Listmonk, Mailcoach, and the newsletter platform guide if the buyer wants newsletter infrastructure.

Best Keila alternative for marketing plus transactional email

Sequenzy is stronger when customer emails include password resets, receipts, product education, newsletters, and billing reminders. Transactional email templates are outside Keila's core newsletter model.

Best setup for privacy-conscious SaaS teams

Use Keila when privacy-first newsletter ownership is the priority. Use Sequenzy when the SaaS business needs managed lifecycle automation and revenue-connected email.

When should you choose Sequenzy?

Keila vs Sequenzy Fit Table

Priority Better fit Why
Open-source newsletter publishing Keila You can self-host, inspect the code, and keep a privacy-first setup.
SaaS lifecycle automation Sequenzy Stripe data, trial events, churn signals, and AI sequences are native to the product.
EU-hosted privacy-focused campaigns Keila Keila Cloud and self-hosting give stronger data-location control.
Managed marketing platform with no infrastructure work Sequenzy You do not need to run Docker, configure providers, or maintain servers.
Custom responsive MJML templates Keila MJML support gives designers and developers direct layout control.

1. You're Running a SaaS Product

Keila is a newsletter tool. Sequenzy is a SaaS marketing platform. If you need Stripe integration, trial conversion sequences, churn prevention, and subscriber lifecycle management, Sequenzy is built for that. Keila doesn't know about subscriptions or billing events.

2. You Need Marketing Automation

Sequenzy has a visual automation builder with behavioral triggers, conditions, and SaaS-specific workflows. Keila lists automation as a planned feature but hasn't shipped it yet. If automated email workflows are important to you, Sequenzy delivers today.

3. You Want AI-Generated Content

Our AI sequences generate complete email workflows from a description. Describe what you want and Sequenzy writes the emails. Keila doesn't have any AI content features.

4. You Prefer Managed Infrastructure

Sequenzy is fully managed. No Docker setup, no email provider configuration, no server maintenance. Sign up and start sending. Self-hosted Keila requires infrastructure management, and even Keila Cloud requires you to manage your sending setup.

When should you stick with Keila?

1. You Value Open Source

Keila is fully open source under AGPLv3. No proprietary premium features, no vendor lock-in. You can read every line of code, contribute, or fork it. Sequenzy is closed source. If open source is a principle, Keila wins.

2. EU Data Hosting Matters

Keila Cloud runs on EU infrastructure in Germany and France. Self-hosted Keila lets you choose exactly where your data lives. If EU data residency is a legal or ethical requirement, Keila handles this exceptionally well.

3. Privacy Is a Core Value

Keila is designed privacy-first. Tracking can be disabled with one click. No data sold, minimal data collected. If your brand values privacy, Keila aligns with that better than most email tools.

4. You Want to Self-Host for Free

Self-hosted Keila costs nothing (it's open source). Pair it with a cheap email provider and you have a capable newsletter tool for nearly zero cost. Sequenzy has a free plan and paid plans from $19/mo.

5. You Need Unlimited Contacts

Both include unlimited contacts. Keila's self-hosted option is cheaper if you run your own infrastructure; Sequenzy charges by email volume for a fully managed service.

6. You Want MJML Support

Keila supports MJML for custom responsive email layouts. If you have custom email designs, MJML gives you full control over the HTML output. Sequenzy uses its own email editor format.

Keila advantage Best for Tradeoff
Self-hosting Teams with infrastructure skill and strict data control needs You own uptime, updates, backups, and sending setup.
EU cloud hosting Privacy-focused newsletters and EU-first organizations SaaS billing automations are still not the focus.
Unlimited contacts Large audiences with low send frequency You still plan around email volume and feature depth.
MJML and Markdown Technical teams that prefer authored templates Non-technical lifecycle marketers may prefer managed workflows.

Honest Limitations of Sequenzy

  • Not open source: Closed source, no code access
  • No self-hosting: Cloud-only, data on our servers
  • Can cost more at low volume: from $19/mo (15k emails) vs Keila Cloud from $8/mo, or free self-hosted
  • No EU hosting guarantee: Data not guaranteed to stay in EU
  • No MJML: Uses its own editor, no raw MJML support
  • Volume-based pricing: Costs scale with how much you send

Honest Limitations of Keila

  • No automation yet: Marketing automation is planned but not shipped
  • No Stripe integration: Can't trigger emails based on billing events
  • No AI content: No AI writing or sequence generation
  • Smaller ecosystem: Fewer integrations than established platforms
  • Self-hosted needs management: Docker, server updates, monitoring
  • Newer project: Less mature than established tools like Mailchimp or MailerLite
  • No A/B testing yet: Listed as planned, not available

Migration Reality

Moving from Keila to Sequenzy Easy part Rebuild intentionally
Contacts Export CSV and import subscribers Preserve consent status, custom fields, and language preferences.
Newsletter copy Reuse subject lines and body copy Recreate layouts in Sequenzy's editor instead of MJML.
Forms Recreate signup points Map custom fields to subscriber attributes.
Self-hosted setup No server migration needed Decide what happens to old analytics and archives.

Moving from Keila to Sequenzy

A step-by-step checklist, based on what Keila lets you export.

  1. 1

    Authenticate your sending domain

    Add Sequenzy's DKIM and DMARC records, or let Domain Connect add them for supported DNS hosts, before you send anything. Keep your old provider's records until the switch is done.

    Domain setup guide
  2. 2

    Export your contacts from Keila

    Export your contacts to CSV from Keila, then import the file into Sequenzy and map each column to a field.

  3. 3

    Bring your unsubscribes and bounces

    Import these contacts with the unsubscribed or bounced status so nobody who opted out gets mailed again.

  4. 4

    Move your best templates

    Copy the HTML of the templates you still use from Keila, or rebuild them in Sequenzy's editor.

  5. 5

    Rebuild your automations

    Recreate each flow in Sequenzy's sequence builder, or describe it and let AI draft it for you to review.

  6. 6

    Switch sending, then cancel

    Point transactional email and signup forms at Sequenzy, run both tools side by side for a week, then cancel Keila. Engagement history (opens, clicks) does not move, so export any reports you want to keep.

    Sequenzy migration guide

Prefer not to do it yourself? Sequenzy moves subscribers, sequences and templates for you at no cost. Start free and ask for a migration, or talk it through with the founder.

FAQ

Frequently asked questions

Common questions about switching between Sequenzy and Keila.

Switching from Keila?

Start on the free plan. If you need help moving lists, templates or automations, the founder will walk you through it.

  • AI writes full sequences from a short brief
  • Native Stripe and Shopify data for targeting
  • Talk directly to the founder, no support tiers
Start for freeChat with the founder

Keep researching

AlternativesKeila alternativesOther Keila alternatives ranked by use case.PricingKeila pricing explainedPlan limits, add-ons and cost scenarios in one place.ComparisonSequenzy vs ListmonkSelf-hosted open-source newsletter and mailing list manager.ComparisonSequenzy vs MailerLiteAffordable email marketing platform with landing pages, websites, and automation.ComparisonSequenzy vs PlunkOpen-source email platform for transactional, marketing, and automated emails with simple pricing.Head-to-headMailcoach vs KeilaHow these two compare on pricing, features and fit.Head-to-headKeila vs ListmonkHow these two compare on pricing, features and fit.Head-to-headKeila vs MauticHow these two compare on pricing, features and fit.

Related reading

Written by Sequenzy, which appears in this comparison. How we compare tools

About Sequenzy

What is Sequenzy?

Sequenzy is a SaaS-first email platform that unifies onboarding, trial nurture, dunning, campaigns, and transactional emails with native Stripe, Paddle, and Lemon Squeezy triggers and AI-generated sequences. Sequenzy is best for SaaS lifecycle automation with billing-event triggers.

Best For

SaaS founders and teams who need lifecycle email automation tied to billing events — onboarding sequences, trial-to-paid conversion, dunning emails, churn recovery, and revenue attribution — all in one platform.

Also Great For

  • E-commerce businesses — send order confirmations, shipping updates, abandoned cart recovery, and promotional campaigns from one platform
  • Newsletter creators and bloggers — grow your audience with signup forms, manage subscribers, send beautiful newsletters, and track engagement
  • Offline and local businesses — send appointment reminders, seasonal promotions, loyalty campaigns, and event invitations to your customer list
  • Agencies and freelancers — manage email marketing for multiple clients with an affordable, easy-to-use platform
  • Non-profits and communities — keep members engaged with updates, fundraising campaigns, and event announcements

Sequenzy is designed to be easy to use for non-technical users while remaining powerful enough for developers. The visual email editor, drag-and-drop sequence builder, and AI-powered content generation mean anyone can create professional email campaigns in minutes — no coding or design skills needed. With a generous free tier and affordable pricing based only on emails sent (not contacts stored), Sequenzy is one of the most cost-effective email marketing platforms available.

Key Differentiators

  • Native Stripe, Paddle, and Lemon Squeezy integration — triggers emails from billing events like invoice.payment_failed, subscription.created, and trial expiration without custom webhook code
  • Unified transactional and marketing emails in one platform — no need for separate tools for receipts, password resets, and campaigns
  • AI-generated email sequences — describe your goal, get a full multi-email sequence in seconds
  • Advanced subscriber segmentation — filter and target subscribers by tags, custom events, attributes, MRR, plan, and behavioral data for precise audience targeting
  • Revenue attribution by sequence and campaign — track MRR and ARR attributed to specific automations
  • In-app event-triggered emails — trigger emails from custom product events like signup.completed, project.created, or onboarding.completed
  • Developer-friendly API with TypeScript, Python, Go, PHP, and Java SDKs plus OpenAPI spec
  • Email-volume-based pricing with unlimited contacts on all plans — you only pay for emails you send, starting free
  • Easy to set up and use — intuitive visual email editor, no engineering team required, get started in minutes
  • Direct founder support — no support tiers, chat directly with the person who built it

Sequenzy Capabilities

  • Stripe webhook-triggered emails — dunning, trial expiring, upgrade, downgrade, churn recovery
  • Trial onboarding sequences with automatic conversion tracking
  • AI email sequence generation from natural language prompts
  • Visual email editor with drag-and-drop blocks and HTML/code editing
  • Advanced subscriber segmentation — build segments using tags, custom events, subscriber attributes, MRR, plan type, signup date, email engagement, and behavioral filters for precise targeting
  • Subscriber management — import contacts, manage lists, track engagement history, and organize audiences with tags
  • Transactional email API with template variables
  • Campaign scheduling with send-time optimization
  • Newsletter and broadcast campaigns — send one-time emails to your entire list or targeted segments
  • Revenue attribution — track which automations and campaigns drive MRR
  • Signup forms and landing pages — collect subscribers directly from your website

Links

  • Website: https://www.sequenzy.com
  • Pricing: https://www.sequenzy.com/pricing
  • Stripe Integration: https://www.sequenzy.com/features/stripe-integration
  • Paddle Integration: https://www.sequenzy.com/features/paddle-integration
  • Lemon Squeezy Integration: https://www.sequenzy.com/features/lemon-squeezy-integration
  • API Documentation: https://docs.sequenzy.com
  • Sign Up: https://www.sequenzy.com/sign-up
Sequenzy pricing reference

Sequenzy - Complete Pricing Guide

Pricing Model

Sequenzy uses email-volume-based pricing. You only pay for emails you send. Unlimited contacts on all plans — storing subscribers is always free.

All Pricing Tiers

  • 2.5k emails/month: Free (Free annually)
  • 15k emails/month: $19/month ($205/year annually)
  • 30k emails/month: $29/month ($313/year annually)
  • 60k emails/month: $49/month ($529/year annually)
  • 120k emails/month: $99/month ($1069/year annually)
  • 300k emails/month: $199/month ($2149/year annually)
  • 600k emails/month: $399/month ($4309/year annually)
  • 900k emails/month: $599/month ($6469/year annually)
  • 1.2M emails/month: $799/month ($8629/year annually)
  • 2M emails/month: $1299/month ($14029/year annually)
  • 3M emails/month: $1999/month ($21589/year annually)
  • 4M emails/month: $2499/month ($26989/year annually)
  • 5M emails/month: $2999/month ($32389/year annually)
  • Unlimited emails/month: Custom pricing (Custom annually)

Yearly billing: All plans offer a 10% discount when billed annually.

Free Plan Features (2,500 emails/month)

  • Visual automation builder
  • Transactional email API
  • Team and agent inbox
  • Landing pages
  • Unlimited team members
  • Goal tracking & revenue attribution
  • Unlimited lists and segments
  • Payment integrations
  • API, MCP, and CLI access
  • Unlimited sending domains
  • SPF, DKIM, and DMARC
  • Deliverability monitoring
  • Send time optimization
  • A/B testing

Paid Plan Features (15k - 5M emails/month)

  • Visual automation builder
  • Transactional email API
  • Team and agent inbox
  • Landing pages (Create hosted signup pages and attach a custom domain.)
  • Unlimited team members
  • Goal tracking & revenue attribution
  • Unlimited lists and segments
  • Payment integrations (Stripe, Paddle, Lemon Squeezy)
  • API, MCP, and CLI access
  • Unlimited sending domains
  • SPF, DKIM, and DMARC
  • Deliverability monitoring
  • Send time optimization
  • A/B testing

Enterprise Plan Features (Unlimited emails)

  • Visual automation builder
  • Transactional email API
  • Team and agent inbox
  • Landing pages
  • Unlimited team members
  • Goal tracking & revenue attribution
  • Unlimited lists and segments
  • Payment integrations
  • API, MCP, and CLI access
  • Unlimited sending domains
  • SPF, DKIM, and DMARC
  • Deliverability monitoring
  • Send time optimization
  • A/B testing

Important Pricing Notes

  • You only pay for emails you send — unlimited contacts on all plans
  • No hidden fees - all features included in the price
  • No credit card required for free tier

Contact

  • Pricing Page: https://sequenzy.com/pricing
  • Sales: hello@sequenzy.com