Head-to-head
Klaviyo vs Thirdshelf
Two leading email marketing tools, compared on pricing, features, and editorial fit. Updated for 2026.
Thirdshelf
Customer loyalty program for Lightspeed, Vend and Heartland Retail POS
From $10/mo
Visit ThirdshelfAt a glance
| Klaviyo | Thirdshelf | |
|---|---|---|
| Tagline | Email + SMS for ecommerce. | Customer loyalty program for Lightspeed, Vend and Heartland Retail POS |
| Pricing model | Freemium | Freemium |
| Starts at | Free | $10/mo |
| Founded | 2012 | — |
| AI-native | ||
| Categories | Email Marketing | SMS & Push, Email Marketing, Customer Data Platforms |
| Vendor claimed |
Quick take
Pick Klaviyo if you need email + sms for ecommerce. Pick Thirdshelf if you need customer loyalty program for lightspeed, vend and heartland retail pos.
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Frequently asked
- Is Klaviyo better than Thirdshelf?
- It depends on your use case. Klaviyo is email + sms for ecommerce, while Thirdshelf is customer loyalty program for lightspeed, vend and heartland retail pos. See the comparison above for which fits your team.
- What's the price difference between Klaviyo and Thirdshelf?
- Klaviyo starts at Free. Thirdshelf starts at $10/mo.
- Can I migrate from Klaviyo to Thirdshelf?
- Most tools in this category support data import via CSV. For complex migrations, both vendors offer onboarding assistance on higher-tier plans.