ExpertSender CDP vs Klaviyo: Email Marketing & SMS
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Feb 19, 2026 for ExpertSender CDP, Nov 9, 2026 for Klaviyo.
The short answer
- Klaviyo lists 52 features ExpertSender CDP’s listing doesn’t mention, including A/B testing, AI generation, APIs and webhooks.
Head to head
Email, SMS, and more - a unified customer platform
- United States
- United Kingdom
- Australia
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · AI-assisted, on-brand content
- · Built-in dashboard & reporting
- · Guided onboarding setup
- · One place for forms, emails, and flows
- · Seamless migration to full platform
- · Set up directly in Shopify Admin
SMS
- · Automated two-way conversations
- · Branded SMS links
- · Customizable multi-channel attribution
- · Multi-channel A/B testing
- · Multi-channel segmentation and flows
- · SMS AI for campaign creation
- · 160+ campaign templates
- · Email AI for campaign creation
- · Multi-channel A/B testing
- · Multi-channel segmentation and flows
- · Personalized product recommendations
- · Predictive analytics
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureThe app integrates your Shopify store with ExpertSender CDP, allowing you to automate multi-channel communication, trigger events like abandoned carts and price drops, and enhance your store with AI-powered recommendations. Gain customer insights, smart segmentation, and real-time reports to optimize marketing.
Go beyond the basics with the Klaviyo marketing app. New stores get a guided setup — sign-up form, welcome email, and abandoned-checkout flow — without leaving Shopify Admin. Unify data from 350+ integrations and boost marketing performance with campaigns, smart segmentation, and automated workflows from Klaviyo’s AI Agents.
- Real-Time Data Sync – Sync orders, customers, and marketing consents instantly.
- Event Tracking – Track site activity to trigger abandoned cart and other events.
- Historical Data Export – Export past orders and customer data to ECDP.
- Flexible Data Mapping – Map Shopify customer, product, and order data to ECDP.
- Use data from Shopify and other apps – web activity, tags, catalog, coupon codes
- Create segments and triggers using complete historical and real-time data
- Use omnichannel templates for Welcome, Back in Stock, Abandon, Price Drop & more
- Get real-time revenue data per automation, campaign, segment, and channel
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  ExpertSender CDP |  Klaviyo |
|---|---|---|
| Detected stores | Not published | 281,214 |
| Net store change, 28 days | 0 | +505 |
| Stores added, 28 days | Not enough data | 2,738 |
| Big-brand share | Not enough data | 15% |
| Top store categories | Not published | Apparel & Accessories, Health & Beauty, Home & Garden |
| Top store countries | Not published | United States, United Kingdom, Australia |
Reviews
| Measure | ExpertSender CDP | Klaviyo |
|---|---|---|
| App Store rating | Not published | 4.7 ★ |
| App Store reviews | Not published | 3,431 |
| New reviews, 28 days | Not enough data | 64 |
| Reviewers a year or more in | Not enough data | 43% |
Pricing
| Measure | ExpertSender CDP | Klaviyo |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | No monthly plan listed | $15/month |
| Longest free trial | Not listed | Not listed |
| Plans listed | Not published | 3 |
Listing
| Measure | ExpertSender CDP | Klaviyo |
|---|---|---|
| Shopify category rank | #167 | #2(ahead) |
| Shopify App Charts | Not on this week’s charts | #2 on the Shoplist 100 |
| Built for Shopify | No | No |
| Launched | Mar 25, 2025 | Sep 20, 2012 |
| Languages | 1 | 6 |
| Developer | ExpertSender | Klaviyo |
FAQ
ExpertSender CDP and Klaviyo: common questions
- What features does each app list that the other doesn’t?
- Klaviyo lists 52 the others don’t mention, such as A/B testing, AI generation, APIs and webhooks, Back-in-stock emails. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Feb 19, 2026 for ExpertSender CDP, Nov 9, 2026 for Klaviyo; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Feb 19, 2026 for ExpertSender CDP, Nov 9, 2026 for Klaviyo. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.