Head-to-head · facts checked 24 Sept 2026
Klaviyo vs RetentionX
Klaviyo uniquely has 21 features · RetentionX uniquely has 5 features.
From
Usage-based (contact-tiered) — paid plans scale by profile count
Free plan
No
From
$49/mo (Starter)
Free plan
No
The verdict
Klaviyo or RetentionX?
Section 01
Pricing, plan by plan
Every plan each vendor publishes, monthly and yearly where both are offered.
Klaviyo
Free
Free
Up to 250 profiles, 500 emails/month, $5 mobile messages, 10,000 Composer credits, email support for 60 days
Marketing
Scales by profile count
Full email + SMS marketing, flows, segmentation, and analytics — price varies by contact list size
Data + Analytics
Scales by usage
Advanced Klaviyo Data Platform, CDP, benchmarks, and marketing analytics add-on
Service
Scales by usage
Customer Hub, Helpdesk, Customer Agent — customer service module
Composer (AI Agent)
Price not published
AI marketing agent for automated campaign creation — separate add-on, 30% off promotional pricing shown 30% OFF promotion noted.
Customer Agent (AI Agent)
Price not published
24/7 AI customer service agent resolving 65% of questions autonomously, 30% off promotional pricing shown 30% OFF promotion noted.
Enterprise
Custom
Custom pricing for large brands — contact sales
RetentionX
Starter
$49/mo
Core
$149/mo
Growth
$249/mo
For everything else about each tool, read the full Klaviyo review and RetentionX review.
Side by side
| Company | ||
| Founded | 2012 | 2018 |
| HQ | Boston, USA | New York, USA |
| AI model | Proprietary (Klaviyo AI / K:AI) | Proprietary |
| User base | 196,000+ | 1,500+ brands |
| Platforms | Web, iOS, Android | Web |
| Languages | 25+ | English |
| Pricing | ||
| Pricing model | Freemium | Usage-based |
| Free plan | No | No |
| Free trial | No — free plan available indefinitely | Yes, 30 days |
| Starting price | Usage-based (contact-tiered) — paid plans scale by profile count | $49/mo (Starter) |
| Enterprise | Custom | Custom |
| All plans | Free — Free Marketing — Scales by profile count Data + Analytics — Scales by usage Service — Scales by usage Composer (AI Agent) — Price not published Customer Agent (AI Agent) — Price not published Enterprise — Custom | Starter — $49/mo Core — $149/mo Growth — $249/mo |
| Positioning | ||
| Best for | E-commerce marketing automation | Retention-focused brands that want channel attribution, cohort lifetime value and dashboards they build themselves, with SOC 2 |
| Differentiator | Usage-based pricing with AI agents including Composer Agent (marketing) and Customer Agent, plus Customer Hub and Helpdesk | RetentionX combines customer intelligence, first-party identity tracking, AI-powered automations, and merchandising optimization into a single integrated growth platform purpose-built for DTC e-commerce brands. |
| Competitors | Mailchimp, Attentive, Postscript, Salesforce Marketing Cloud, Listrak | Klaviyo, Triple Whale, Northbeam, Lifetimely, Black Crow AI |
| Features | ||
| AI Agents | ✓ | — |
| Composer Agent | ✓ | — |
| Customer Agent | ✓ | — |
| Customer Hub | ✓ | — |
| Data & Analysis Plans | ✓ | — |
| Helpdesk | ✓ | — |
| Ad Copy Gen | — | ✕ |
| AI Agents | ✓ | — |
| API Webhooks | ✓ | — |
| Bulk Upload | — | ✕ |
| Competitor Monitoring | — | ✕ |
| Conditional Logic | ✓ | — |
| Custom Code | ✓ | — |
| Data Transform | ✓ | — |
| Error Handling | ✓ | — |
| Execution Logs | ✓ | — |
| Human in Loop | ✓ | — |
| Image Editing | — | ✕ |
| Inventory Integration | — | ✓ |
| Marketplace Listing | — | ✕ |
| Num Integrations | 350+ | — |
| Pricing Intelligence | — | ✓ |
| Product Data Enrichment | — | ✓ |
| Product Description Gen | — | ✕ |
| Review Analysis | — | ✓ |
| Scheduled Runs | ✓ | — |
| SEO Title Optimization | — | ✕ |
| Team Features | ✓ | — |
| Trigger Types | behavioral event / purchase / web activity / email engagement / SMS / schedule / webhook / form submission | — |
| Visual Builder | ✓ | — |
| Integrations | ||
| API Access | ✓ | — |
| Google Workspace | ✓ | — |
| Key Integrations | Shopify, WooCommerce, Magento, Salesforce, BigCommerce | Shopify, Email platforms, SMS platforms, Ad networks, custom imports |
| Shopify | — | ✓ |
| Slack | ✓ | — |
| Webhook Support | ✓ | — |
Section 02
Klaviyo vs RetentionX: common questions
Is Klaviyo or RetentionX cheaper?
Klaviyo's cheapest paid plan is Usage-based (contact-tiered) — paid plans scale by profile count and RetentionX's is $49/mo (Starter). Compare what each plan includes below before going on price alone.
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