Customer.io vs MailerLite
Compare Customer.io and MailerLite on features, pricing, and buyer fit using the same researched criteria.
Customer.io
Product-led event-driven messaging across email, push, SMS, and in-app — MAP-adjacent to classic ESPs.
Best for
- • Product-led teams sending event-driven multi-channel messages
- • SaaS/apps needing behavioral onboarding and lifecycle messaging
- • Teams comparing Braze-class engagement with a mid-market entry
Starting from $100.00/user/mo
No free plan
VS
Our verdict
There is no universal winner between Customer.io and MailerLite. Choose Customer.io when Product-led teams sending event-driven multi-channel messages. Choose MailerLite when SMBs and creators wanting simple email with a free starting rung. Criterion scores come from approved SoftwareGlimpse editorial assessments and first-party research — not hands-on lab testing.
Customer.io is better for
- ✓ Automation
- ✓ Segmentation
- ✓ Analytics
- ✓ Integrations
MailerLite is better for
- ✓ Templates
- ✓ Landing pages
Choose Customer.io if: Product-led teams sending event-driven multi-channel messages
Choose MailerLite if: SMBs and creators wanting simple email with a free starting rung
MailerLite
Simple email marketing for SMBs and creators with a free tier and approachable Comfort/Power subscriber plans.
Best for
- • SMBs and creators wanting simple email with a free starting rung
- • Teams comparing Mailchimp for easier/cheaper freemium email
- • Buyers who want landing pages/sites bundled without deep MAP complexity
Starting from $12.00/user/mo
Free plan available
Customer.io vs MailerLite pricing
Customer.io researched starting price from $100/mo. MailerLite researched starting price from $12/mo; a free plan is researched. Affiliate economics excluded.
Customer.io
From $100.00/user/mo
MailerLite
From $12.00/user/mo
Customer.io
Starting from $100.00/user/mo
Free trial available
- EssentialsPopular$100.00/mo
- From $100/mo — 5,000 profiles / 1M emails/mo (research).
- included profiles entry: 5000
- included emails monthly: 1000000
- Premium$1,000.00/mo
- From $1,000/mo — elevated limits and premium integrations (research).
- EnterpriseCustom
- Custom infrastructure, compliance, and support.
MailerLite
Starting from $12.00/user/mo
No free trial evidenced
- Free$0.00/user/mo
- Free up to 250 subscribers / 2,500 emails per 30 days / 2 seats.
- max contacts: 250
- max email sends per30 days: 2500
- seats: 2
- ComfortPopular$12.00/mo
- From $12/mo at 500 subscribers (formerly Growing Business). ~10% annual discount.
- included contacts entry: 500
- Power$25.00/mo
- From $25/mo at 500 subscribers (formerly Advanced). Confirm live feature gates vs Comfort.
- included contacts entry: 500
- EnterpriseCustom
- Enterprise custom for ~200k+ subscribers (research).
Estimate your team cost
Monthly estimate from verified per-seat list pricing. Confirm on the vendor site before purchasing.
Customer.io
$1,500.00/mo
MailerLite
$180.00/mo
+$1,320.00/mo — Customer.io costs more
Verified monthly unit prices · Aug 17, 2026
Prices in USD
Shown per user / month from verified list pricing.
Plans can change
Confirm live vendor rates before purchasing.
Add-ons may apply
Calling, SMS, or usage fees can add cost.
Independence
Affiliate status never changes pricing outcomes.
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