Klaviyo
Kit (ConvertKit)
Campaign Monitor
1. User sentiment: Both platforms serve their niches well
| Feature | Klaviyo | Kit (ConvertKit) | Campaign Monitor |
|---|---|---|---|
| Average Rating | 4.6/5 (1000+ reviews) | 4.4/5 (200+ reviews) | 4.7/5 (1000+ reviews) |
| Ease of Use Sentiment | Well-regarded for ecommerce workflows | Creator-friendly but easy-to-use | Consistently praised as intuitive and user-friendly |
| Customer Support | Generally, well-regarded for accessible support but some online reviews have mentioned longer support response time | Responsive support | Fast support time is consistently praised in online reviews |
| User Loyalty | Praised by ecommerce professionals | Very strong among creators | Many users report 10+ years of usage |
| Best for → | Ecommerce brands and data-driven marketers | Individual creators and small teams | Marketers prioritizing usability and design |
Klaviyo users appreciate the platform's ecommerce-focused features, while Kit users value the creator-centric approach.
However, Campaign Monitor by Marigold bridges both worlds with its intuitive interface that doesn't sacrifice power.
"LOVE Campaign Monitor... it's very user friendly. The support is exceptional. It helps us reach a large audience in a personal way and a format which drives results above industry benchmarks.”
2. Design & user experience: Klaviyo works well for ecommerce, Kit is good for creators
| Feature | Klaviyo | Kit (ConvertKit) | Campaign Monitor |
|---|---|---|---|
| Email Editor | Drag-and-drop with ecommerce focus | Drag-and-drop with responsive templates | Intuitive drag-and-drop email builder with visual design focus |
| Template Library | A wide range of e-commerce-specific templates | A variety of email templates specifically made for creators | Mobile-optimized templates with auto-branded options |
| Customization Level | Deep ecommerce customization | Allows customization but doesn’t offer auto-branding | Balance of simplicity and customization |
| Brand Consistency | Brand kit and style settings | Responsive templates for creators | Auto-branded templates from website URL |
| Best for → | Ecommerce stores requiring product-focused emails | Creators prioritizing content over complex design | Marketers who value high-quality, professional design |
Klaviyo's design tools are specifically built for ecommerce, featuring product recommendation blocks and shoppable content, while ConvertKit prioritizes creator workflows with a drag-and-drop builder with simple designs that work well for newsletters and course content.
Campaign Monitor offers a drag-and-drop email builder, responsive templates, auto-branding capabilities, and HTML customization support to help create visually appealing campaigns. The platform offers the best balance, with users consistently praising its intuitive drag-and-drop builder that delivers professional results without overwhelming complexity.
"Role Models used Campaign Monitor's drag-and-drop email builder to maintain a consistent brand presence across communications, helping them achieve a 23.5% open rate and 12.6% click-through rate, driving a 24% increase in bookings."
3. Automation & journeys: Klaviyo leads with ecommerce-specific flows
| Feature | Klaviyo | Kit (ConvertKit) | Campaign Monitor |
|---|---|---|---|
| Trigger Options | Triggers based on purchases, behavior, and site/app activity | Form submissions, tag additions, link clicks, purchases | Time-based, behavior-based, and event-based triggers |
| Workflow Complexity | Split testing and branching | Conditional splits | Comprehensive, if/then branching |
| Prebuilt Journeys | 80+ prebuilt flows | Welcome series, nurture flows, abandoned-cart funnels, referral campaigns | Welcome series, abandoned cart, anniversaries, events |
| Advanced Features | Advanced conditional splits | Facebook custom audiences, engagement scoring | Send time optimization and time zone sending feature |
| Best for → | Complex ecommerce automation needs | Email-focused | Marketers needing sophisticated yet accessible automation |
Klaviyo's automation capabilities are purpose-built for ecommerce success, with triggers based on browsing behavior, purchase history, and customer lifecycle stages.
ConvertKit focuses on creator-specific automation like course delivery sequences and referral campaigns. AWeber offers prebuilt workflows like welcome series, abandoned cart, onboarding emails and supports workflow automation with triggers like subscriber actions and wait/delay. Campaign Monitor has this as an intuitive built-in feature for users.
With simple branching and prebuilt journeys (welcome series, abandoned cart, anniversaries), Campaign Monitor makes advanced automation easier to implement without sacrificing capability
"Wonderful Union saved 40 hours weekly using Campaign Monitor's automated email campaigns and saw a 13% increase in CTR on automated sequences, generating a 700% ROI from email marketing campaigns."
4. Deliverability & performance: Kit wins with a high delivery rate.
| Feature | Klaviyo | Kit (ConvertKit) | Campaign Monitor |
|---|---|---|---|
| Delivery Rate | Consistently high delivery rates (exact number not mentioned on the website) | 99.8% delivery rate | 99% delivery rate |
| Inbox Placement | Consistently high performance | Industry-leading inbox placement with support | Strong reputation with email providers |
| Deliverability Tools | Deliverability score and optimization | Real-time monitoring and deliverability insights | Inbox previews, spam testing, deliverability experts |
| Performance Monitoring | Real-time analytics | Built-in best practices and dedicated deliverability support | Real-time delivery and engagement tracking |
| Best for → | High-volume ecommerce senders | Creators prioritizing inbox placement | Businesses prioritizing reliable delivery |
ConvertKit focuses on maintaining deliverability through built-in best practices and deliverability consultation, whereas Klaviyo focuses on ecommerce-specific metrics like revenue attribution
Campaign Monitor offers unique advantages with access to deliverability experts, real-time tracking, inbox previews, spam testing, and non-human click filtering that removes bot (non-human) activity from reports. This combination of reliable infrastructure and expert support makes it ideal for businesses that want excellent deliverability without technical complexity.
"We use Campaign Monitor because it is quite easy to use. It is also very reasonably priced. We haven't had any problems with deliverability or in creating the emails."
5. Segmentation & personalization: Klaviyo wins with data-first approach
| Feature | Klaviyo | Kit (ConvertKit) | Campaign Monitor |
|---|---|---|---|
| Segmentation Capabilities | RFM analysis and behavioral targeting | Single list with unlimited tags and behavioral segmentation | Custom fields and advanced segmentation using demographic and behavioral data |
| Dynamic Content | Product recommendations based on behavior | Liquid templating, personalization blocks | Dynamic content blocks using if/else logic and custom fields |
| Personalization Options | Deep personalization using Liquid tags (name, email) and behavioral data | Liquid shortcodes (e.g., first name), fallback support | Supports default tags (name, email) and up to 50 custom fields (birthday, country) |
| Predictive Analytics | CLV, churn risk, next purchase date | Engagement scoring | Send time optimization and time zone sending feature |
| Targeting Precision | Targeting with Liquid tags, behavior data, and predictive features | Tags and segments to enable personalization | Strong targeting by engagement, behavior, demographics, and preferences |
| Best for → | Ecommerce personalization | Creator audience management | Marketer-friendly personalization |
Klaviyo offers real-time tracking of browsing behavior, purchase history, and customer lifecycle stages. The platform creates unified customer profiles that eliminate data silos. Kit offers flexible logic-based filters (any/all/none), real-time auto-updating segments, and behavioral grouping via tags, forms, and sequences.
Campaign Monitor provides the perfect sweet spot with segmentation and personalization tools delivered through a structured and user-friendly platform built for marketers. The platform excels with powerful segmentation tools, including custom fields and behavioral data (location, purchase history, etc), dynamic content, and a fully customizable preference center (frequency, topics). It supports up to 50 custom fields and personalization tags (name, birthday, country).
The Australian Red Cross used Campaign Monitor's preference center and smart segmentation to achieve a 68% increase in open rates, a 201% increase in click-through rates, and a 75% increase in conversions from a single personalized email campaign.
6. Integration ecosystem: Klaviyo leads with a higher number of integrations
| Feature | Klaviyo | Kit (ConvertKit) | Campaign Monitor |
|---|---|---|---|
| Number of Integrations | 350+ integrations | Creator-focused integrations (the total number isn’t mentioned on the site) | 250+ integrations with focus on quality |
| E-commerce Platforms | Deep Shopify, WooCommerce, BigCommerce | Shopify, Zeen | Shopify, WooCommerce, MailSync |
| CRM Integrations | Salesforce and ecommerce-specific CRM integrations | Basic CRM connections | Integrations with various CRM platforms (Salesforce, Zoho, Zapier) |
| API Access | API with extensive documentation | API access | Robust API for custom integrations |
| Best for → | Ecommerce-focused deep integrations | Creators with focused integration needs | Marketers working with major platforms seeking quality |
Klaviyo offers 350+ integrations covering multiple industries and use cases, while ConvertKit focuses specifically on creator-friendly platforms and tools like Circle and Hello Audio. Both provide API access for custom integrations.
While Klaviyo offers a broader integration volume, Campaign Monitor delivers a focused, marketer-friendly experience—ideal for teams that want dependable, easy-to-deploy email marketing tools. The platform offers integrations with strong native integrations to platforms like Salesforce, Shopify, WooCommerce, HubSpot, etc. It also provides flexible API access (RESTful API v3.3) to support custom workflows and third-party apps.
Girls Who Code leveraged Campaign Monitor's Salesforce integration with custom fields for deeper list precision, helping them achieve a 40% email open rate, 22% click-to-open rate, and a 150% increase in student applications.
7. AI-powered features: Klaviyo leads with predictive ecommerce AI
| Feature | Klaviyo | Kit (ConvertKit) | Campaign Monitor |
|---|---|---|---|
| AI Content Creation | AI-powered content generation | None | Content creation with AI writer |
| Design Intelligence | Brand kit and style settings | Allows customization of landing pages, emails, and forms but doesn’t offer auto-branding | Personalized copy suggestions (adapt your content for specific audiences), auto-branding |
| Optimization Tools | Performance benchmarking with AI | A/B testing for landing pages and forms, deliverability & insights dashboards, subscriber engagement scoring | A/B testing with insights & goals (increase open-rates, click-through rates, and visits to a URL) |
| Predictive Features | Predictive sending, CLV modeling | Engagement scoring | Send time recommendation & time zone sending feature |
| Best for → | AI-powered content generation | Creators needing simple AI assistance | Focused AI assistance for marketers |
Klaviyo focuses on ecommerce-specific predictions (customer lifetime value and churn risk, AI-powered content creation, and predictive sending). ConvertKit doesn’t offer AI-powered features and mostly focuses on creator-focused tools like template customization, engagement scoring, etc.
Campaign Monitor offers focused AI tools for marketers—like the AI writer to create content and refine copy, send time optimization (sending emails when a subscriber is most likely to engage), and a time zone sending feature that adjusts delivery times to match each subscriber’s local time.
While Klaviyo offers more AI tools, Campaign Monitor's approach provides practical assistance that integrates seamlessly into the workflow without requiring extensive setup or configuration.
8. Pricing & scalability: Kit wins with creator-friendly pricing
| Feature | Klaviyo | Kit (ConvertKit) | Campaign Monitor |
|---|---|---|---|
| Free Plan | $0 (250 contacts) | Newsletter: $0 (10,000 subscribers) | $0 (500 contacts) |
| Entry-Level Plan | Email: Starts at $45/month | Creator: Starts at $29/month | Lite: Starts at $12 USD/month |
| Mid-Tier Plan | Email + SMS: Starts at $60/month | Creator Pro: Starts at $59/month | Essentials: Starts at $29 USD/month |
| Premium | Enterprise: Custom pricing | None | Premier: Starts at $159 USD/month |
| Best for → | Growing ecommerce brands | Creators prioritizing cost-effective growth | Businesses wanting predictable pricing |
Klaviyo, Kit, and Campaign Monitor offer flexible pricing based on your contact and month send needs.
9. Support & resources: Both platforms excel in their niches
| Feature | Klaviyo | Kit (ConvertKit) | Campaign Monitor |
|---|---|---|---|
| Support Channels | Email/chat support across plans (phone support not available) | Email support on free plan, chat and email support on the Creator plan and 24/7 priority email & chat support on the Pro plan. | 24/5 global support via multiple channels (email support on all tiers, phone support on Premium) |
| Response Quality | Generally well-regarded for helpful support, but some online reviews suggest longer response time | Generally well, but some online reviews suggest occasional delays | Fast response times consistently praised |
| Knowledge Resources | Guided onboarding via academy and agency partners | Knowledge base, podcast, Creator University | Extensive help center, training videos, and email academy (even on free plan) |
| Onboarding Support | Klaviyo academy, community forum, help center | Free migration on paid plans | Professional services team available |
| Best for → | Ecommerce-specific guidance | Creators wanting specialized guidance | Businesses valuing responsive support |
Kit offers email support on free plan, chat and email support on the Creator plan and 24/7 priority email & chat support on the Pro plan and resources like podcasts, Creator University, etc. Klaviyo provides email and chat support (phone support not available), along with resources like the Klaviyo community.
Campaign Monitor, on the other hand, offers 24/5 global support via email and phone (premium plan), access to deliverability experts regardless of plan tier, onboarding assistance, and extensive resources like training videos and an email academy.
"Been working with Campaign Monitor for 10+ years… Not only does the platform make sending highly-customized emails easy and fun, their support team is phenomenal… Highly recommend."
