Klaviyo (Marketing) vs Mailshake (Outreach): Complete Comparison (2026)

By Marcus Johnson, Marketing & Growth Specialistยท7 years of experienceยทUpdated 2026-04-24ยท8 min read

In comparing Klaviyo (Marketing) and Mailshake (Outreach) in 2026, Klaviyo (Marketing) is the stronger choice for e-commerce stores wanting powerful behavioral marketing automation due to unmatched e-commerce data. Mailshake (Outreach) excels for sdrs and sales teams running high-volume cold outreach campaigns with simple and focused on outreach. Klaviyo (Marketing) offers Behavioral automation flows, SMS marketing, Segmentation starting at $20/mo with a free plan. Mailshake (Outreach) provides Email sequences, Email warm-up, Phone dialer from $29/user/mo. For teams prioritizing value, Klaviyo (Marketing) delivers a hiltonsoftware Score of 76/100. Klaviyo (Marketing) and Mailshake (Outreach) compete in the marketing automation segment of the SaaS market, where cloud-native solutions, API integrations, and workflow automation drive enterprise and SMB adoption. Other leading marketing automation tools include HubSpot Marketing, Marketo, Pardot. Klaviyo (Marketing) serves 130K+ orgs users globally (founded 2012) while Mailshake (Outreach) reports 75K+ active users (founded 2015).

Klaviyo (Marketing) vs Mailshake (Outreach) at a Glance

Klaviyo (Marketing)
Mailshake (Outreach)
Starting Price
$20/mo
$29/user/mo
Free Plan
Yes
No
User Rating
4.6/5
4.4/5
Best For
E-commerce stores wanting powerful behavioral mark...
SDRs and sales teams running high-volume cold outr...
Users
130K+ orgs
75K+
Founded
2012
2015
hiltonsoftware Score
76/100
67/100
Pricing verified: March 2026 ยท Based on official vendor data
๐Ÿ›๏ธ
Klaviyo (Marketing)
Marketing Automation
76
hiltonsoftware.co Score
RECOMMENDED
VS
๐Ÿค
Mailshake (Outreach)
Marketing Automation
67
hiltonsoftware.co Score

What are the main differences between Klaviyo (Marketing) and Mailshake (Outreach)?

Klaviyo (Marketing) and Mailshake (Outreach) differ across ease of use, features, value, support, integrations, scalability, and learning curve. Klaviyo (Marketing) leads in 7 of 7 categories.

Klaviyo (Marketing)Mailshake (Outreach)
88Ease of Use78
82Features78
72Value for Money60
70Customer Support66
65Integrations61
66Scalability62
78Learning Curve67

What are the pros and cons of Klaviyo (Marketing) vs Mailshake (Outreach)?

Klaviyo (Marketing)
+Unmatched e-commerce data
+Deep Shopify integration
-Expensive for large lists
-Focus is narrow to e-commerce
Mailshake (Outreach)
+Simple and focused on outreach
+Good deliverability tools
-Narrowly focused feature set
-Limited reporting

Which is better, Klaviyo (Marketing) or Mailshake (Outreach)?

After evaluating Klaviyo (Marketing) and Mailshake (Outreach) across features, pricing, integrations, and user satisfaction, Klaviyo (Marketing) earns a higher hiltonsoftware Score of 76/100 versus Mailshake (Outreach) at 67/100. Klaviyo (Marketing) stands out for "unmatched e-commerce data" and "deep shopify integration". Mailshake (Outreach) delivers competitive advantages in "simple and focused on outreach", making Mailshake (Outreach) a viable alternative.

On pricing, Klaviyo (Marketing) offers a free plan for SMBs and startups. Mailshake (Outreach) starts at $29/user/mo with no free tier, but justifies the cost with email sequences and email warm-up and enterprise-grade scalability.

Bottom line: Choose Klaviyo (Marketing) for e-commerce stores wanting powerful behavioral marketing automation. Choose Mailshake (Outreach) for sdrs and sales teams running high-volume cold outreach campaigns. Both Klaviyo (Marketing) and Mailshake (Outreach) are established marketing automation platforms.

CHOOSE KLAVIYO (MARKETING) IF:

E-commerce stores wanting powerful behavioral marketing automation.

CHOOSE MAILSHAKE (OUTREACH) IF:

SDRs and sales teams running high-volume cold outreach campaigns.

Klaviyo (Marketing) vs Mailshake (Outreach): Frequently Asked Questions

Is Klaviyo (Marketing) better than Mailshake (Outreach) in 2026?
Klaviyo (Marketing) outperforms Mailshake (Outreach) in the 2026 hiltonsoftware.co analysis with a score of 76/100 compared to 67/100. Klaviyo (Marketing) excels in Behavioral automation flows, SMS marketing, Segmentation, making Klaviyo (Marketing) the better choice for E-commerce stores wanting powerful behavioral marketing automation. Mailshake (Outreach) is the stronger option for SDRs and sales teams running high-volume cold outreach campaigns due to simple and focused on outreach. For teams needing behavioral automation flows, hiltonsoftware.co recommends Klaviyo (Marketing).
How does Klaviyo (Marketing) pricing compare to Mailshake (Outreach) in 2026?
Klaviyo (Marketing) starts at $20/mo and includes a free plan. Mailshake (Outreach) starts at $29/user/mo without a free plan. Klaviyo (Marketing) includes features like Behavioral automation flows, SMS marketing, Segmentation. Mailshake (Outreach) provides Email sequences, Email warm-up, Phone dialer. Klaviyo (Marketing) serves 130K+ orgs users while Mailshake (Outreach) serves 75K+ users. Evaluate total cost of ownership based on team size and required integrations.
What are the main differences between Klaviyo (Marketing) and Mailshake (Outreach)?
Klaviyo (Marketing) specializes in Behavioral automation flows, SMS marketing, Segmentation, earning a 76/100 hiltonsoftware Score. Mailshake (Outreach) focuses on Email sequences, Email warm-up, Phone dialer, scoring 67/100. Klaviyo (Marketing) is best for E-commerce stores wanting powerful behavioral marketing automation. Mailshake (Outreach) is best for SDRs and sales teams running high-volume cold outreach campaigns. Both Klaviyo (Marketing) and Mailshake (Outreach) serve the Marketing Automation market but target different user profiles.
Can I migrate from Klaviyo (Marketing) to Mailshake (Outreach)?
Migrating from Klaviyo (Marketing) to Mailshake (Outreach) is possible since both operate in the Marketing Automation space. Export data from Klaviyo (Marketing) and verify Mailshake (Outreach) import capabilities. Key features to evaluate: Behavioral automation flows, SMS marketing, Segmentation (Klaviyo (Marketing)) versus Email sequences, Email warm-up, Phone dialer (Mailshake (Outreach)). Running both Klaviyo (Marketing) and Mailshake (Outreach) in parallel during a trial period ensures a smooth transition.
Is Klaviyo (Marketing) or Mailshake (Outreach) better for small business?
For small businesses, Klaviyo (Marketing) offers a free plan with behavioral automation flows. Klaviyo (Marketing) scores 76/100 on hiltonsoftware.co. Mailshake (Outreach) (starting at $29/user/mo) is worth the investment for businesses needing Email sequences, Email warm-up, Phone dialer. Both Klaviyo (Marketing) and Mailshake (Outreach) support SMB and startup teams.

Reviewed by Marcus Johnson, Marketing & Growth Specialist. Last updated: 2026-04-24. Pricing verified: March 2026.

Read our scoring methodology to understand how the hiltonsoftware Score is calculated.

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