FullStory vs Klaviyo: Complete Comparison 2026
An in-depth comparison of features, pricing, and user experience to help you make the right choice.
FullStory
8.2(1,180 reviews)
Digital experience analytics platform combining session replay, heatmaps, and error tracking for product teams.
Klaviyo
8.7(2,100 reviews)
E-commerce email and SMS marketing platform with deep Shopify integration and advanced segmentation.
Quick Comparison
| Aspect | FullStory | Klaviyo |
|---|---|---|
| Best For | Product teams at SaaS companies debugging complex user flows | E-commerce brands on Shopify/WooCommerce |
| Pricing Model | Contact Sales | Freemium |
| Starting Price | Contact Sales | Free |
| Deployment | cloud | cloud |
| Platforms | WEB | WEB, IOS, ANDROID |
| Rating | 8.2/10 | 8.7/10 |
Pros & Cons
FullStory
Pros
- Auto-capture means no manual event tagging required, saving engineering time
- Omnisearch lets you find specific sessions using CSS selectors or natural language
- Frustration signals automatically detect rage clicks, dead clicks, and thrashed cursors
- Error tracking ties JavaScript exceptions directly to session replays for faster debugging
- Retroactive analysis lets you query past data without pre-defining events
Cons
- No published pricing and no free tier makes it inaccessible for small teams
- Plans typically start at $300+/mo which is steep for low-traffic sites
- Learning curve is significant for teams new to digital experience analytics
- Data storage costs scale with traffic volume and can spike unexpectedly
- Mobile app analytics support is less mature than web analytics
Klaviyo
Pros
- Best-in-class Shopify/e-commerce integration
- Sophisticated segmentation using store data
- Email and SMS in one platform
- Strong revenue attribution
Cons
- More expensive than general email tools
- Focused on e-commerce - limited for other use cases
- Learning curve for advanced features
- Pricing increases quickly with list size
Pricing Comparison
| Product | Pricing Model | Starting Price |
|---|---|---|
| FullStory | contact sales | Contact Sales |
| Klaviyo | freemium | Free0 |
Our Verdict
Choose FullStory if...
Product teams at SaaS companies debugging complex user flows
Choose Klaviyo if...
E-commerce brands on Shopify/WooCommerce
Still Not Sure?
Explore more alternatives or read in-depth reviews to make your decision.