BigMailer vs Klaviyo: Which is Better in 2026?
Choosing between BigMailer and Klaviyo comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: Klaviyo wins this matchup. Omnisend ranks #1 on our Email Marketing list. Omnisend is the highest-listed Email Marketing tool with a free plan. Pick BigMailer if you need a free tier to start with.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
BigMailer
Email marketing platform designed for agencies and businesses to manage multiple brands and campaigns.
Best for you if:
- • You want centralized management for multiple brands/clients
- • You want competitive and flexible pricing structure
Klaviyo
Email marketing for e-commerce
Best for you if:
- • You want e-commerce focused
- • You want powerful segmentation
| At a Glance | BigMailer | Klaviyo |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Email Marketing | Email Marketing |
Rating | 4.9/5 | 4.6/5 |
Free plan | Yes | Yes |
Choose BigMailer or Klaviyo?
Choose BigMailer if
Email marketing platform designed for agencies and businesses to manage multiple brands and campaigns.
- You want centralized management for multiple brands/clients
- You want competitive and flexible pricing structure
Choose Klaviyo if
Email marketing for e-commerce
- You want e-commerce focused
- You want powerful segmentation
| Feature | BigMailer | Klaviyo |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | ★4.9/5 28 reviews | ★4.6/5 1,901 reviews |
| Categories | Email MarketingMarketing Automation | Email MarketingMarketing Automation |
In-Depth Analysis
BigMailer
Email marketing platform designed for agencies and businesses to manage multiple brands and campaigns.
BigMailer's pricing structure is quite generous, especially for agencies and businesses that manage multiple brands.
Strengths
- +Centralized management for multiple brands/clients
- +Competitive and flexible pricing structure
- +Excellent and responsive customer support
- +Comprehensive features for both promotional and transactional emails
- +Robust email validation helps maintain sender reputation
Weaknesses
- -Amazon SES connection is required for sending on the free plan
- -Additional sending costs apply beyond included limits
- -No support for troubleshooting custom HTML template issues
Key features
Klaviyo
Email marketing for e-commerce
Since February 2025, billing is based on total active profiles (not just emailed contacts), which effectively raised prices for most users.
Watch out
Since Feb 2025, you pay for ALL active profiles, not just contacts you email. Imported but unengaged contacts still count toward billing
Strengths
- +E-commerce focused
- +Powerful segmentation
- +Revenue attribution
Weaknesses
- -Expensive at scale
- -Learning curve
Key features
Pricing: BigMailer vs Klaviyo
| Plan | BigMailer | Klaviyo |
|---|---|---|
| Tier 1 | $0 Startup | Free Free |
| Tier 2 | $6 per 5000 contacts/mo. Business Basic | $20 Email |
| Tier 3 | $12.5 per 5000 contacts/mo. Business Pro | From $35 Email + SMS |
| Tier 4 | $10 per 5000 contacts/mo. Agency | N/A |
Pricing verified from each vendor's public pricing page. Compare in detail on BigMailer pricing and Klaviyo pricing.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: BigMailer
Want the highest-rated option?
BigMailer: 4.9/5 (28 reviews). Klaviyo: 4.6/5 (1,901 reviews).
Go with: BigMailer
Value user reviews?
BigMailer: 28 reviews (4.9/5). Klaviyo: 1,901 reviews (4.6/5).
Go with: Klaviyo
3 Questions to Help You Decide
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
Both are email marketing tools. Compare their specific features to decide.
How important are ratings?
BigMailer is rated higher: 4.9/5 vs 4.6/5.
Key Takeaways
Klaviyo
- Larger review base (1,901 reviews)
- Free tier available
- Our pick for this comparison
BigMailer
- Higher user rating: 4.9/5 vs 4.6/5
The Bottom Line
Klaviyo wins this matchup. Omnisend ranks #1 on our Email Marketing list. Omnisend is the highest-listed Email Marketing tool with a free plan.
Frequently Asked Questions
Is BigMailer or Klaviyo better?
Klaviyo is rated in our evaluation. Both are freemium.
What are BigMailer and Klaviyo used for?
BigMailer: Email marketing platform designed for agencies and businesses to manage multiple brands and campaigns.. Klaviyo: Email marketing for e-commerce.
What does BigMailer cost vs Klaviyo?
BigMailer is freemium (free tier + paid plans). Klaviyo is freemium (free tier + paid plans). Visit their websites for detailed pricing.