Head-to-head
Klaviyo vs OneSignal
Two leading email marketing tools, compared on pricing, features, and editorial fit. Updated for 2026.
At a glance
| Klaviyo | OneSignal | |
|---|---|---|
| Tagline | Email + SMS for ecommerce. | Push, email, SMS, and in-app messaging for mobile and web apps |
| Pricing model | Freemium | Freemium |
| Starts at | Free | $19/mo |
| Founded | 2012 | — |
| AI-native | ||
| Categories | Email Marketing | SMS & Push, Email Marketing, Automation |
| Vendor claimed |
Quick take
Pick Klaviyo if you need email + sms for ecommerce. Pick OneSignal if you need push, email, sms, and in-app messaging for mobile and web apps.
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Klaviyo alternatives →
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OneSignal alternatives →
Frequently asked
- Is Klaviyo better than OneSignal?
- It depends on your use case. Klaviyo is email + sms for ecommerce, while OneSignal is push, email, sms, and in-app messaging for mobile and web apps. See the comparison above for which fits your team.
- What's the price difference between Klaviyo and OneSignal?
- Klaviyo starts at Free. OneSignal starts at $19/mo.
- Can I migrate from Klaviyo to OneSignal?
- Most tools in this category support data import via CSV. For complex migrations, both vendors offer onboarding assistance on higher-tier plans.