In-Depth Comparison
Mailchimp vs MailerLite
In-depth comparison of Mailchimp and MailerLite for B2B SaaS companies. Features, pricing, deliverability, API, automation, and real-world use cases.
Last updated: 2026-03-15
Mailchimp
mailchimp.comTurn emails into revenue. Grow your business with email marketing and automation.
Ideal for: Small to mid-market businesses wanting all-in-one marketing
MailerLite
mailerlite.comCreate email marketing your audience will love. Simple, intuitive, and powerful.
Ideal for: Small businesses, creators, and startups who want affordable, easy-to-use email marketing
TL;DR: Mailchimp vs MailerLite
Mailchimp wins for brand recognition and the broadest all-in-one marketing suite. MailerLite wins for affordability, a cleaner editor, and better value. Sequenzy is the strongest choice for SaaS lifecycle email with native billing integration. Neither was built for SaaS-specific workflows.
The all-in-one marketing platform with the biggest brand
The affordable, award-winning email marketing platform
Purpose-built SaaS email with native billing integration
Editor's Note
Both are general marketing platforms, not SaaS-specific. For billing-triggered automation, Sequenzy (sequenzy.com) handles dunning, trial conversion, and churn prevention natively at a price between MailerLite and Mailchimp.
Mailchimp vs MailerLite vs Sequenzy: Quick Comparison
| Feature | Mailchimp | MailerLite | Sequenzy | Edge |
|---|---|---|---|---|
| Best For | All-in-one marketing with brand recognition | Affordable email marketing with great editor | B2B SaaS lifecycle email | Sequenzy |
| Starting Price | Free (500 contacts) | Free (1,000 subscribers, 12K emails) | $19/mo for 15,000 emails | MailerLite |
| Email Editor | Polished with 100+ templates | Award-winning with 80+ templates | SaaS-specific templates | MailerLite |
| Transactional Email | Mandrill add-on ($20/mo) | MailerSend (separate product) | Included with SaaS templates | Sequenzy |
| Automation | Basic customer journeys | Visual automation builder | Pre-built SaaS workflows | Sequenzy |
| Landing Pages | Built-in builder | Built-in builder + website builder | Not included | MailerLite |
| Paid Newsletters | Not supported | Built-in paid subscription support | Not supported | MailerLite |
| User Segmentation | Tag and behavior-based | Group and segment-based | Subscription-aware segments | Sequenzy |
| Payment Integration | Stripe via Zapier | Stripe for paid newsletters | Native Stripe, Paddle, Chargebee, LemonSqueezy | Sequenzy |
| API Quality | Marketing API v3 (dated) | REST API (basic) | Clean REST API with SaaS endpoints | Sequenzy |
| Dunning Emails | Not designed for dunning | Not designed for dunning | Built-in, auto-triggered | Sequenzy |
| Dedicated IP | Add-on on Standard+ | Advanced plan | Growth plan | Tie |
Score Breakdown
Each category scored out of 10. Totals: Mailchimp 66/100, MailerLite 71/100, Sequenzy 86/100.
Feature-by-Feature Comparison
Detailed feature analysis across every category that matters for B2B SaaS email.
📧 Email Campaigns
| Feature | Mailchimp | MailerLite | Sequenzy |
|---|---|---|---|
| Drag-and-drop editor | 8/10 Polished editor with 100+ templates | 9/10 Award-winning editor, cleaner than Mailchimp | 8/10 SaaS content blocks |
| Campaign scheduling | 8/10 Send-time optimization | 8/10 Smart sending with timezone delivery | 8/10 Plan-based optimization |
| A/B testing | 7/10 Subject, content, send time | 7/10 Subject, content, send-time split testing | 7/10 Subject and send-time testing |
| Newsletter support | 9/10 RSS-to-email, templates | 9/10 Newsletter with paid subscription support | 7/10 Product update newsletters |
| Template library | 9/10 100+ professional templates | 9/10 80+ modern responsive templates | 9/10 SaaS lifecycle templates |
⚙️ Automation & Workflows
| Feature | Mailchimp | MailerLite | Sequenzy |
|---|---|---|---|
| Visual workflow builder | 6/10 Customer Journey builder, limited | 7/10 Clean visual builder | 9/10 SaaS workflow templates |
| Event-based triggers | 5/10 Basic triggers | 5/10 Form, link click, group join triggers | 10/10 Billing events auto-triggered |
| Drip sequences | 6/10 Basic drip | 7/10 Time-based drip sequences | 9/10 SaaS lifecycle drips |
| Conditional logic | 5/10 Simple yes/no | 6/10 Basic yes/no branching | 9/10 Plan, MRR, trial-based |
| Wait steps | 6/10 Time delays | 7/10 Time-based delays | 8/10 Smart send-time |
👥 Contacts & Segmentation
| Feature | Mailchimp | MailerLite | Sequenzy |
|---|---|---|---|
| Contact management | 7/10 List-based with tags | 7/10 Groups with custom fields | 9/10 Enriched with billing data |
| Segmentation | 7/10 Tags, engagement, behavior | 7/10 Fields, engagement, tags | 9/10 SaaS-native segments |
| Custom properties | 6/10 Merge tags | 6/10 Custom fields | 8/10 Custom + billing properties |
| Event tracking | 5/10 Basic behavioral | 3/10 Limited to email events | 9/10 Product + billing events |
| Import/export | 8/10 CSV, integrations | 8/10 CSV, easy export | 7/10 CSV + billing import |
💻 Developer Experience
| Feature | Mailchimp | MailerLite | Sequenzy |
|---|---|---|---|
| API design | 6/10 Marketing API v3, dated | 6/10 Basic REST API | 8/10 Clean SaaS endpoints |
| SDK support | 6/10 Official and community | 5/10 PHP SDK, community | 7/10 Node.js and Python |
| Webhook system | 5/10 Basic webhooks | 5/10 Basic subscriber webhooks | 8/10 Email + billing events |
| Data pipeline | 4/10 Via Zapier | 3/10 Limited | 7/10 Segment destination |
| Documentation | 6/10 Extensive but dated | 7/10 Clear, well-organized | 8/10 SaaS-focused guides |
🚀 Deliverability & Infrastructure
| Feature | Mailchimp | MailerLite | Sequenzy |
|---|---|---|---|
| Shared IP reputation | 7/10 Variable due to scale | 8/10 Good, strict approval process | 8/10 SaaS-only pools |
| Dedicated IP | 7/10 Add-on on Standard+ | 8/10 Available on Advanced plan | 7/10 Growth plan ($49/mo) |
| Domain authentication | 7/10 SPF, DKIM, DMARC | 8/10 SPF, DKIM with wizard | 8/10 Guided setup |
| Bounce handling | 7/10 Standard handling | 8/10 Automatic list cleaning | 8/10 Payment-aware suppression |
| Sending speed | 7/10 Throttled on lower plans | 7/10 Good for campaigns | 7/10 Reliable throughput |
Mailchimp vs MailerLite vs Sequenzy: Pricing
Mailchimp charges by contacts, MailerLite charges by subscribers, Sequenzy charges by email volume.
Free plan: 500 contacts, 1,000 sends/month
Free plan: 1,000 subscribers, 12,000 emails/month
Free trial: 14 days, then $19/mo
| Tier | Mailchimp | MailerLite | Sequenzy | Volume |
|---|---|---|---|---|
| Starter | $13/mo 500 contacts, basic automation | $10/mo 1,000 subscribers, unlimited emails, automation, landing pages | $19/mo 15,000 emails/month, all SaaS workflows, billing integration | 500-1K subs / 15K emails |
| Growth | $60/mo 5,000 contacts, journeys, A/B testing | $30/mo 5,000 subscribers, unlimited emails, auto resend | $49/mo 50,000 emails/month, dedicated IP, advanced analytics | 5K subs / 50K emails |
| Scale | $175+/mo 25,000+ contacts, advanced segmentation | $100+/mo 50,000+ subscribers, dedicated IP, custom HTML | $149/mo 200,000 emails/month, SLA, SSO | 25K+ subs / 200K+ emails |
Mailchimp: Watch Out For
- !Inactive contacts count
- !Mandrill costs extra
- !Post-Intuit price increases
- !Premium features locked
MailerLite: Watch Out For
- !Free plan has MailerLite branding
- !Transactional requires MailerSend
- !Some features on Growing Business plan only
- !Limited automation on Free
Sequenzy: Watch Out For
- !No landing page builder
- !Smaller template library than Mailchimp
- !Free tier is a trial
Pricing Verdict: MailerLite offers the best absolute value for general email marketing at roughly half the price of Mailchimp. For B2B SaaS, Sequenzy at $19/mo provides billing-integrated lifecycle features neither offers.
Cost Comparison Note
MailerLite is roughly half the price of Mailchimp. For SaaS, Sequenzy at $19/mo provides lifecycle features neither offers.
B2B SaaS Use Cases
How each platform handles the email workflows that matter most for B2B SaaS companies.
🎯 User Onboarding Sequences
Guiding new users through activation.
Mailchimp
Customer Journey builder with basic paths.
MailerLite
Visual automation builder with time-based onboarding flows.
Sequenzy
Pre-built SaaS onboarding templates with billing awareness.
Verdict: Sequenzy has SaaS-specific onboarding. Both Mailchimp and MailerLite handle basic drip onboarding.
Real-World Example
A SaaS wants behavior-driven onboarding.
Example subject line: Welcome to [App].
💰 Trial-to-Paid Conversion
Converting trial users to paid.
Mailchimp
Time-based journeys. No trial awareness.
MailerLite
Basic automation. No billing integration.
Sequenzy
Billing-aware trial conversion from Stripe/Paddle.
Verdict: Sequenzy wins with native billing integration.
Real-World Example
Automatic trial conversion emails.
Example subject line: Your trial ends in 3 days.
🔔 Transactional Notifications
Password resets and invoices.
Mailchimp
Mandrill add-on ($20/mo).
MailerLite
MailerSend (separate product).
Sequenzy
Included with SaaS templates.
Verdict: Mailchimp (via Mandrill) and Sequenzy handle transactional. MailerLite requires separate MailerSend.
Real-World Example
System emails.
Example subject line: Password reset
📰 Newsletter & Content Marketing
Regular newsletters.
Mailchimp
Best newsletter tools with RSS-to-email.
MailerLite
Excellent newsletter with paid subscription support and website builder.
Sequenzy
Product newsletters with plan targeting.
Verdict: Both excel at newsletters. MailerLite adds paid subscriptions and website builder.
Real-World Example
Weekly content newsletter.
Example subject line: This week in [App]
🔄 Churn Prevention
Re-engaging declining users.
Mailchimp
Basic re-engagement journeys.
MailerLite
Basic automation based on engagement.
Sequenzy
Churn prevention with billing data.
Verdict: Sequenzy combines behavior with billing for best churn prevention.
Real-World Example
Re-engaging inactive users.
Example subject line: We miss you.
💳 Payment Failed (Dunning)
Payment recovery emails.
Mailchimp
Not designed for this.
MailerLite
Not designed for this.
Sequenzy
Auto-triggered from billing providers.
Verdict: Sequenzy dominates. Neither Mailchimp nor MailerLite handles dunning.
Real-World Example
Automated payment recovery.
Example subject line: Payment failed
📄 Landing Pages & Forms
Building signup pages and lead capture.
Mailchimp
Built-in landing page builder with templates.
MailerLite
Built-in landing page builder, website builder, and embedded forms. More comprehensive than Mailchimp.
Sequenzy
Not included. Integrates with external tools.
Verdict: MailerLite has the best landing page and website builder in this comparison.
Real-World Example
Building signup pages for a SaaS waitlist.
Example subject line: N/A
📈 Upsell & Expansion
Plan upgrade promotion.
Mailchimp
Basic campaigns with tags.
MailerLite
Basic campaigns with groups.
Sequenzy
Auto-triggers near plan limits with billing data.
Verdict: Sequenzy is purpose-built for SaaS upsell.
Real-World Example
Upselling near-capacity users.
Example subject line: 90% of API calls used
The Bigger Picture
Neither connects to billing providers. Sequenzy fills this gap with native Stripe, Paddle, Chargebee, and LemonSqueezy integration.
Automation Capabilities
Email automation is critical for B2B SaaS. Here is how Mailchimp, MailerLite, and Sequenzy compare.
| Capability | Mailchimp | MailerLite | Sequenzy |
|---|---|---|---|
| Visual workflow builder | Yes Customer Journey builder | Yes Clean visual builder | Yes SaaS workflow templates |
| Time-based triggers | Yes Time delays | Yes Time delays and date triggers | Yes Billing-aware scheduling |
| Event-based triggers | Yes Basic triggers | Yes Form, link, group triggers | Yes Product + billing events |
| Conditional branching | Yes Simple yes/no | Yes Basic yes/no | Yes Plan, MRR, trial-based |
| Multi-step sequences | Yes Multi-step journeys | Yes Multi-step flows | Yes SaaS templates |
| Goal tracking | No Not available | No Not available | Yes Billing event goals |
| Send time optimization | Yes Paid plans | Yes Smart sending | Yes Engagement based |
| Dynamic content | Yes Merge tags | Yes Dynamic blocks | Yes Billing data |
API & Developer Experience
For B2B SaaS teams, the API quality directly impacts how fast you can integrate and iterate on email.
Mailchimp API
- SDKs: Python (official), Node.js (community)
- Docs: 6/10
- Webhooks: Basic webhooks
- Rate Limit: 10 concurrent connections
- Batch: Batch list operations
MailerLite API
- SDKs: PHP (official), REST API
- Docs: 7/10
- Webhooks: Basic subscriber webhooks
- Rate Limit: 120 requests/minute
- Batch: Batch subscriber import
Sequenzy API
- SDKs: Node.js (official), Python (official), REST API
- Docs: 8/10
- Webhooks: Email + billing events with retry
- Rate Limit: 50 requests/second
- Batch: Batch sending with personalization
Mailchimp Code Example
const mailchimp = require("@mailchimp/mailchimp_marketing");
mailchimp.setConfig({ apiKey: "key", server: "us1" });
await mailchimp.lists.addListMember("list_id", {
email_address: "user@company.com",
status: "subscribed",
merge_fields: { FNAME: "Sarah" },
});MailerLite Code Example
const response = await fetch(
"https://connect.mailerlite.com/api/subscribers",
{
method: "POST",
headers: {
"Content-Type": "application/json",
Authorization: "Bearer YOUR_TOKEN",
},
body: JSON.stringify({
email: "user@company.com",
fields: { name: "Sarah", company: "Acme" },
groups: ["trial_users"],
}),
}
);Sequenzy Code Example
import { Sequenzy } from "sequenzy";
const sq = new Sequenzy("sq_key");
await sq.subscribers.add({
email: "user@company.com",
firstName: "Sarah",
stripeCustomerId: "cus_abc123",
});
await sq.sequences.trigger({
email: "user@company.com",
sequence: "trial_onboarding",
});Email Deliverability Comparison
Your emails are useless if they do not reach the inbox. Here is how all three platforms handle deliverability.
| Factor | Mailchimp | MailerLite | Sequenzy |
|---|---|---|---|
| Infrastructure | Massive, variable quality | Well-managed with strict approval | SaaS-only pools |
| Inbox Placement Rate | ~90-95% (estimated) | ~96-98% (estimated, strong) | ~96-98% (estimated) |
| Dedicated IP | Add-on on Standard+ | Advanced plan | Growth plan ($49/mo) |
| Auth Protocols | SPF, DKIM, DMARC | SPF, DKIM | SPF, DKIM, DMARC, Custom Return-Path |
| IP Warmup | Auto-warmup | Automated for new accounts | Guided warmup |
| Spam Testing | Inbox preview | Spam analysis | Spam score with preview |
MailerLite has notably strong deliverability due to its strict approval process. Mailchimp massive user base leads to variable shared IP quality. Sequenzy SaaS-only pools maintain strong reputation.
Integration Ecosystem
Mailchimp has ~300 integrations, MailerLite has ~140, and Sequenzy has ~25. Here is how they compare across key B2B SaaS categories.
Payment & Billing
| Service | Mailchimp | MailerLite | Sequenzy |
|---|---|---|---|
| Stripe | Yes (3rd Party) | Yes (3rd Party) | Yes (Native) |
| Paddle | No (None) | No (None) | Yes (Native) |
| LemonSqueezy | No (None) | No (None) | Yes (Native) |
CRM
| Service | Mailchimp | MailerLite | Sequenzy |
|---|---|---|---|
| HubSpot | Yes (3rd Party) | Yes (3rd Party) | Yes (Official) |
| Salesforce | Yes (Official) | Yes (3rd Party) | Yes (3rd Party) |
| Pipedrive | Yes (3rd Party) | Yes (3rd Party) | No (None) |
Product Analytics
| Service | Mailchimp | MailerLite | Sequenzy |
|---|---|---|---|
| Segment | Yes (3rd Party) | No (None) | Yes (Official) |
| Mixpanel | No (None) | No (None) | Yes (3rd Party) |
| Amplitude | No (None) | No (None) | Yes (3rd Party) |
Automation & Workflow
| Service | Mailchimp | MailerLite | Sequenzy |
|---|---|---|---|
| Zapier | Yes (Official) | Yes (Official) | Yes (Official) |
| Make (Integromat) | Yes (Official) | Yes (Official) | Yes (Official) |
| n8n | Yes (3rd Party) | Yes (3rd Party) | Yes (3rd Party) |
Development Frameworks
| Service | Mailchimp | MailerLite | Sequenzy |
|---|---|---|---|
| Next.js | Yes (API Only) | Yes (API Only) | Yes (API Only) |
| React | No (API Only) | No (API Only) | No (API Only) |
| Svelte/SvelteKit | No (API Only) | No (API Only) | No (API Only) |
Analytics & Reporting
What data you can track and how each platform helps you measure email performance.
| Metric | Mailchimp | MailerLite | Sequenzy |
|---|---|---|---|
| Open rate tracking | Per-campaign with benchmarks | Per-campaign with visual reports | Per-lifecycle-stage |
| Click tracking | Click maps | Click maps | Conversion attribution |
| Bounce tracking | Standard | Automatic cleaning | Payment-aware |
| Unsubscribe tracking | Built-in | GDPR tools | Preference center |
| Revenue attribution | Ecommerce | Shopify revenue | MRR per sequence |
| Dashboard | Benchmarks | Clean performance view | SaaS MRR/churn |
| Export capabilities | CSV | CSV | CSV + API |
Mailchimp: Unique Features
- + Industry benchmarks
- + Social analytics
- + Content optimizer
- + Ecommerce tracking
MailerLite: Unique Features
- + Click maps
- + Subscriber growth
- + Landing page analytics
- + Campaign comparisons
Sequenzy: Unique Features
- + MRR per sequence
- + Trial conversion tracking
- + Dunning recovery
- + Churn prevention metrics
- + Lifecycle overview
Pros & Cons
Mailchimp
Pros
- + Most recognized brand
- + Best template library (100+)
- + Free plan
- + All-in-one marketing
- + Industry benchmarks
- + Large ecosystem
- + Easy to learn
- + Mandrill for transactional
Cons
- - Post-Intuit price increases
- - Basic automation
- - Charges inactive contacts
- - No billing integration
- - Dated API
- - Not for SaaS workflows
- - Variable deliverability
- - Advanced features locked
MailerLite
Pros
- + Much cheaper than Mailchimp
- + Award-winning editor
- + Free plan (1K subscribers)
- + Landing pages + website builder
- + Paid newsletter support
- + Strong deliverability
- + Intuitive interface
- + Bootstrapped and profitable
Cons
- - Not designed for SaaS
- - Limited event tracking
- - Transactional requires MailerSend
- - No billing integration
- - Basic API
- - No Segment integration
- - Simple automation
- - No multi-channel
Who Should Use What?
Specific recommendations based on your company type and needs.
Early-stage SaaS
Pre-PMF with few users.
Sequenzy at $19/mo gives SaaS features. Free plans work for basic email but lack SaaS specificity.
Best email editor
Template design quality is top priority.
MailerLite has an award-winning editor that many consider cleaner than Mailchimp, at half the price.
Product-led growth SaaS
Billing-aware lifecycle needs.
Neither connects to SaaS billing. Sequenzy does natively.
Newsletter with landing pages
Newsletter with signup pages and website.
MailerLite has the best landing page builder, website builder, and paid newsletter support.
SaaS churn reduction
Dunning and churn prevention.
Native billing integration for automated dunning.
Brand trust matters
You want the most established platform.
Mailchimp has 20+ years of brand recognition and Intuit backing.
Maximum affordability
Budget is the top concern.
MailerLite is roughly half the price of Mailchimp for the same features.
All-in-one with social
You want email + social media posting.
Mailchimp includes social posting and ad management that MailerLite does not offer.
Migration Guide
Migrating from Mailchimp to MailerLite
Steps
- 1. Export Mailchimp audience
- 2. Import to MailerLite
- 3. Recreate templates
- 4. Rebuild automations
- 5. Set up landing pages
- 6. Configure domain auth
- 7. Test flows
- 8. Switch
Watch Out For
- ! Merge tag syntax differs
- ! Mandrill transactional needs replacement
- ! Journey structure differs
- ! List-based to group-based model
Migrating from MailerLite to Mailchimp
Steps
- 1. Export MailerLite subscribers
- 2. Import to Mailchimp
- 3. Recreate templates
- 4. Rebuild as journeys
- 5. Configure domain auth
- 6. Test flows
- 7. Set up Mandrill if needed
- 8. Switch
Watch Out For
- ! Mailchimp pricing higher for same contacts
- ! Landing pages may differ in features
- ! Website builder has no Mailchimp equivalent
- ! Paid newsletter feature needs replacement
The Bottom Line
Choose Mailchimp if...
- ✓ You want the most recognized brand
- ✓ Broadest all-in-one (email, social, landing pages)
- ✓ Industry benchmark comparisons are valuable
- ✓ You need Mandrill for transactional
- ✓ Large integration ecosystem matters
- ✓ You prefer maximum template variety
Choose MailerLite if...
- ✓ Budget is a primary concern
- ✓ You want the best drag-and-drop editor
- ✓ Landing pages and website builder are important
- ✓ You want paid newsletter support
- ✓ Strong deliverability from strict approval process
- ✓ A clean, focused interface appeals to you
Frequently Asked Questions
Is MailerLite better than Mailchimp?
For value and editor quality, many users prefer MailerLite. It offers similar features at roughly half the price. Mailchimp has a broader feature set and stronger brand. For B2B SaaS, neither is ideal. Sequenzy offers purpose-built SaaS features.
Why is MailerLite cheaper than Mailchimp?
MailerLite is bootstrapped and based in Lithuania, with lower operating costs. They focus on email marketing specifically rather than being an all-in-one suite. This lean approach allows competitive pricing.
Which has better deliverability?
MailerLite generally has better deliverability due to strict new account approval. Mailchimp massive user base means variable shared IP quality. Sequenzy SaaS-only pools maintain strong reputation.
Can either handle transactional email?
Mailchimp offers transactional via Mandrill ($20/mo add-on). MailerLite transactional email is handled by their sister product MailerSend (separate subscription). Sequenzy includes transactional with SaaS templates.
Does MailerLite have a website builder?
Yes. MailerLite includes a website builder, landing page builder, and blog. This is a unique advantage over Mailchimp and Sequenzy.
Which is easier to use?
Both are designed for non-technical users. MailerLite has a slightly cleaner, less cluttered interface. Mailchimp has more features which adds some complexity.
Can I do SaaS dunning with either?
Neither Mailchimp nor MailerLite was designed for SaaS dunning. Both lack billing provider integration. Sequenzy offers pre-built dunning sequences triggered by Stripe or Paddle payment failures.
Does MailerLite support paid newsletters?
Yes. MailerLite has built-in paid newsletter subscription support with Stripe integration for collecting subscriber payments. This is a differentiator over Mailchimp.
Can I migrate from Mailchimp to MailerLite easily?
Yes. Both support CSV import/export. Migration typically takes 2-3 days. The main adjustment is converting merge tag syntax and adapting to the group-based model.
Which should a SaaS startup choose?
For SaaS-specific lifecycle email, Sequenzy at $19/mo. For general email marketing at the best price, MailerLite. For the broadest marketing suite, Mailchimp.