---
description: Side-by-side comparison of Klaviyo vs Retention Science (ReSci). Learn more about each of the product's price, features, and see the most comprehensive reviews for UK business users.
image: https://gdm-localsites-assets-gfprod.imgix.net/images/capterra/og_logo-e5a8c001ed0bd1bb922639230fcea71a.png?auto=format%2Cenhance%2Ccompress
title: Klaviyo vs Retention Science (ReSci) Comparison - Capterra UK 2026
---

Breadcrumb: [Home](/) > [Customer Data Platforms (CDP)](/directory/31334/customer-data-platform/software) > [Klaviyo \<span\>vs\</span\> Retention Science (ReSci)](https://www.capterra.co.uk/compare/156699/168933/klaviyo/vs/retention-science)

# Compare Klaviyo vs Retention Science (ReSci)

Canonical: https://www.capterra.co.uk/compare/156699/168933/klaviyo/vs/retention-science

> Detailed comparison between Klaviyo and Retention Science (ReSci). Check ratings, reviews, pricing, and features to make the best decision for your business.

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## At a Glance

| Metric | Klaviyo | Retention Science (ReSci) |
| **Overall rating** | 4.6/5 | 4.3/5 |
| **Total Reviews** | 524 | 3 |
| **Starting Price** | US$20.00 | US$1.00 |
| **Free Trial** | Yes | - |
| **Free Version** | Yes | No |
| **Deployment** | Cloud, SaaS, Web-based | Cloud, SaaS, Web-based |
| **Support** | Email/Help Desk, FAQs/Forum, Knowledge Base, Chat | Chat |
| **Training** | Live Online, Webinars, Documentation, Videos | Live Online, Webinars, Documentation |

## Best for

### Klaviyo

Klaviyo serves B2C businesses of all sizes with 400+ native integrations, including Shopify, WooCommerce, Magento, Salesforce Commerce Cloud, Square Online, Mindbody, and more.

### Retention Science (ReSci)

SMB, Mid-Market, Enterprise

## Key features

### Klaviyo

- A/B Testing
- CAN-SPAM Compliance
- Customer Profiles
- Data Integration
- Dynamic Content
- GDPR Compliance
- Lead Management
- List Management
- Marketing Automation
- Multi-Channel Marketing
- Predictive Analytics
- Predictive Modeling
- Reporting/Analytics
- SMS Marketing
- Sales Analytics
- Segmentation
- Social Marketing
- Subscriber Management
- Template Management
- Website Visitor Tracking

### Retention Science (ReSci)

- A/B Testing
- CAN-SPAM Compliance
- Customer Profiles
- Data Integration
- Dynamic Content
- GDPR Compliance
- Lead Management
- List Management
- Marketing Automation
- Multi-Channel Marketing
- Predictive Analytics
- Predictive Modeling
- Reporting/Analytics
- SMS Marketing
- Sales Analytics
- Segmentation
- Social Marketing
- Subscriber Management
- Template Management
- Website Visitor Tracking

## Links

- [View Klaviyo Profile](https://www.capterra.co.uk/software/156699/klaviyo)
- [View Retention Science (ReSci) Profile](https://www.capterra.co.uk/software/168933/retention-science)
- [View Original Comparison](https://www.capterra.co.uk/compare/156699/168933/klaviyo/vs/retention-science)

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