Introduction
When businesses scale, email marketing isn't just about sending messages — it's about owning a reliable channel for growth, customer engagement, and compliance. Two platforms often considered are MailCub and Klaviyo.
Klaviyo is popular in the e-commerce world, while MailCub is designed as a business-grade email hosting and automation solution for companies of all sizes. Let's look at how the two compare in 2025.
What Klaviyo offers
Klaviyo is best known for:
- Strong integration with Shopify and other e-commerce platforms.
- Pre-built flows for cart abandonment, product recommendations, and upsells.
- Customer segmentation with detailed behavioral tracking.
- Focus on online store growth.
While powerful for retail and online sellers, Klaviyo's pricing grows steeply as your list expands, and it's less suited for IT, SaaS, or B2B businesses who prioritize compliance, infrastructure, and transactional email.
What MailCub offers
MailCub is built for companies that need more than just e-commerce flows. With MailCub, you get:
- High-performance email infrastructure optimized for deliverability and uptime.
- Advanced automation workflows for onboarding, SaaS lifecycle management, and re-engagement.
- Affordable, transparent pricing — no penalties for growing your contact list.
- Dedicated business support for teams scaling globally.
MailCub fits businesses in IT, SaaS, professional services, and enterprises who need reliable communication as much as marketing flexibility.
Feature Comparison
| Feature | Klaviyo | MailCub |
|---|---|---|
| Primary Focus | E-commerce marketing | Business-grade email infrastructure |
| Automation | Pre-built e-commerce flows | Custom workflows for SaaS, IT, B2B, e-commerce |
| Deliverability | Good, shared servers | Enterprise-grade, optimized servers |
| Pricing | Increases sharply with contacts | Flat, transparent pricing |
| Support | Standard tiers | Dedicated growth support |
Pricing
MailCub is streamlined, letting you invest in reliable, scalable email without paying for extras you may not use. For the full pricing breakdown, see MailCub Pricing
Which Should You Choose in 2025?
If you run a Shopify or e-commerce-first business, Klaviyo's pre-built flows may save time early on. But if you want reliable infrastructure, affordable scaling, and compliance-focused automation that works for tech, SaaS, professional services, and beyond, MailCub is the smarter long-term choice. With MailCub, your email system grows with your business, not against it.
