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.
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:
- • Manage multiple email marketing brands/clients from a single dashboard.
- • Consolidates promotional, automation, and transactional emails with unified customer view.
Klaviyo
Email marketing for e-commerce
Best for you if:
- • Klaviyo is an email and SMS marketing platform built specifically for e-commerce
- • It provides advanced segmentation, automation flows, and predictive analytics for online stores
| 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 |
Choose BigMailer or Klaviyo?
Choose BigMailer if
Email marketing platform designed for agencies and businesses to manage multiple brands and campaigns.
- Centralized management for multiple brands/clients
- Competitive and flexible pricing structure
- Excellent and responsive customer support
Choose Klaviyo if
Email marketing for e-commerce
- E-commerce focused
- Powerful segmentation
- Revenue attribution
| Feature | BigMailer | Klaviyo |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | ★4.9/5 33 reviews | ★4.6/5 2,378 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.
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
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 (33 reviews). Klaviyo: 4.6/5 (2,378 reviews).
Go with: BigMailer
Value user reviews?
BigMailer: 33 reviews (4.9/5). Klaviyo: 2,378 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 (2,378 reviews)
- Free tier available
- Our pick for this comparison
BigMailer
- Higher user rating: 4.9/5 vs 4.6/5
The Bottom Line
Klaviyo is our pick.
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.