Klaviyo vs AWeber - Who Wins?

13 minute read

In this buying guide, we compare the Klaviyo & AWeber email marketing platforms on automation, features, and pricing. And since you're on our turf, we'll spotlight areas where we think Campaign Monitor by Marigold naturally shines as the smarter alternative 💜

Disclaimer: The features, pricing, and details mentioned for each product are as of August 2025 and may have changed since then.

Comparison Image
CategoryKlaviyoAWeberCampaign Monitor
Pricing Free plan (250 contacts, 500 monthly email sends, 150 SMS credits); paid plans start $45/mo 14-day free trial, paid plans start at $15/mo (Lite) 30-day free trial (no card), starts at $12/mo, up to $159/mo
User Sentiment 4.6/5 (1000+ reviews) 4.2/5 (600+ reviews) 4.2/5 (2000+ reviews)
Automation & Workflows 60+ ready-to-use flows (welcome, cart abandonment, winback, post-purchase); cross-channel (email, SMS, push) Behavior-based automations with IF/ELSE branching and visual funnel builder Prebuilt customer journeys (welcome, abandoned cart, anniversaries, events) with extensive triggers
AI Features AI-powered content generation for email/SMS/reviews; CLV, churn, and order forecasting AI writing assistant for full emails and subject lines AI Writer for brainstorming, adapting copy, optimizing CTAs
Deliverability & Performance High deliverability (exact % not disclosed); Deliverability Hub with scoring + bounce analysis 99.8% delivery rate 99% delivery rate with strong reputation
Segmentation & Targeting Real-time RFM segmentation + behavior-driven personalization Custom fields, dynamic content, subscriber preference centers Rule-based segmentation with AND/OR logic; unlimited segments
Integration Ecosystem 350+ integrations (Shopify, Salesforce, WooCommerce, Stripe, BigCommerce) 750+ integrations 250+ integrations (Salesforce, Shopify, WordPress, HubSpot, WooCommerce, Intercom, Unbounce)
Conversion & List-Building Tools Forms and popups tailored to ecommerce Forms with mobile editor and Canva integration Custom form builder with embedded forms, auto-branded templates, Pexels integration
Support & Resources Email + live chat (24/7 email, chat by tier); SLA response 1–48 hrs; Klaviyo Academy + onboarding 24/7 support via email, live chat, and phone 24/5 email, phone (Premier), deliverability experts
Best for... Ecommerce brands needing advanced automation + predictive analytics Small businesses needing AI assistance Brands prioritizing deliverability, design, and professional onboarding

“So glad we've switched to Campaign Monitor.”

If you have a versatile email campaign with lots of moving parts and a complex list of subscribers Campaign Monitor makes things so easy. And if you have a simple newsletter that is straight forward and sent to the same list each month, Campaign Monitor is even easier…

Verified User in Marketing and Advertising (G2)

Head to head comparison

1. User sentiment

Klaviyo leads in satisfaction, AWeber offers broader appeal

Feature Klaviyo AWeber Campaign Monitor
Average Rating 4.6/5 (1000+ reviews) 4.2/5 (600+ reviews) 4.2/5 (2000+ reviews)
Setup Experience 30 mins to hours, depending on setup levels, with guided setup for ecommerce Quick drag-and-drop setup or optional 7-day Done-For-You service. 30-min avg. setup with short video series
Learning Curve Steeper, but supported by Klaviyo Academy and ecommerce training Beginner-friendly with tutorials, webinars, and help docs. Intuitive interface, video modules available for new users
Best for → Ecommerce brands and data-driven marketers Small businesses and entrepreneurs wanting simple email automation. Brands that value ease of use, strong design flexibility, and guided support for quick adoption

Klaviyo is best for ecommerce brands and data-driven marketers, offering higher satisfaction through guided setup and in-depth training, making it ideal for scaling businesses.

AWeber benefits small businesses and entrepreneurs, thanks to its beginner-friendly setup, tutorials, and optional done-for-you onboarding, perfect for quick adoption without technical hurdles.

Campaign Monitor suits brands that prioritize ease of use and design flexibility, combining intuitive tools with expert-led guidance for fast and polished adoption.

quotation mark

"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.

Verified User in Leisure, Travel & Tourism


2. Design & user experience

Klaviyo offers ecommerce power, AWeber provides AI assistance, Campaign Monitor balances both

Feature Klaviyo AWeber Campaign Monitor
Email Editor Drag-and-drop with reusable blocks, global styles, and conditional logic Drag-and-drop editor with WYSIWYG, raw HTML mode, and Smart Designer auto-branding. Intuitive drag-and-drop builder with visual design focus
Template Library 160+ customizable templates + custom HTML 700+ mobile-responsive HTML templates 150+ mobile-optimized templates with auto-branded options
Design Flexibility Block layouts, reusable sections, and universal styling Customize fonts, colors, layouts, blocks; use HTML or WYSIWYG editing mode. Auto-branded templates pulled directly from website URL
Brand Consistency Global style settings and universal content Smart Designer auto-generates a branded template Auto-branded templates for unified design
Best for → Ecommerce brands needing advanced control Small businesses and creators who want fast, branded email setups. Marketers who value high-quality, professional design

Klaviyo empowers ecommerce brands with reusable blocks, global styling, and conditional logic, giving advanced control for highly customized campaigns.

AWeber benefits small businesses and creators with its Smart Designer and flexible editing options, making it easy to launch polished, branded emails quickly.

Campaign Monitor is ideal for marketers seeking professional, high-quality design, with auto-branded templates that ensure visual consistency without extra effort.

quotation mark

"Campaign Monitor's drag-and-drop editor is much better than other email platforms such as Mailchimp. The interface generally is very intuitive and easy to use..."

Verified user in Marketing and Advertising (G2)


3. Automation & journeys

Klaviyo dominates ecommerce flows, AWeber offers creator-friendly automation, Campaign Monitor provides guided sophistication

Feature Klaviyo AWeber Campaign Monitor
Trigger Options Behaviors (purchases, list/segment joins), date, price drop, low inventory via metric & profile filters Subscriber actions (opens, clicks, tags, purchases), sign-ups, and time delays Time-based, behavior-based, and event-based triggers (opens, clicks)
Conditional Logic Split paths by behavior, predictive traits, and event attributes within flows If/else branching with tag-based rules Advanced if/then branching
Prebuilt Journeys 60+ ready-to-use flow templates (welcome series, cart abandonment, post-purchase, winback) Welcome, abandoned cart, lead nurture, product follow-ups, and RSS triggers Prebuilt automated journeys, such as welcome series, abandoned cart, anniversaries, and events
Journey Complexity Cross-channel automation including email, SMS, and push on the same flow Automated multi-step journeys triggered by behavior and tags. Focused on email-centric journeys, but offers SMS as well

Klaviyo gives ecommerce brands deep automation flexibility, with behavior and predictive triggers that create advanced, personalized flows across email, SMS, and push — ensuring consistent engagement across channels.

AWeber makes automation accessible for small businesses and creators, offering simple tag- and action-based journeys with ready-to-use templates that save time while still nurturing leads effectively.

Campaign Monitor benefits brands that want guided sophistication, with structured prebuilt journeys and advanced branching logic for clear, reliable automation that scales with business needs.

quotation mark

"Wonderful Union saved 40 hours weekly using Campaign Monitor's automated email marketing campaigns and saw a 13% increase in CTR on automated sequences, generating a 700% ROI from email marketing campaigns."

Read the case study here ➔

4. AI Features

Klaviyo leads in predictive analytics, AWeber excels in content AI, Campaign Monitor offers practical assistance

Feature Klaviyo AWeber Campaign Monitor
AI Content Creation Generates email, SMS, and review copy with brand-voice customization AI writing assistant generates full emails and subject lines. Content creation with AI writer.
Design Intelligence Applies tone and style automatically to AI content Smart Designer auto-builds branded templates; Canva integration for custom edits. Personalized copy suggestions and auto-branding.
Optimization Tools Predictive analytics for timing, content, and engagement AI-powered subject line generator with content optimization suggestions. A/B testing with insights & goals (opens, clicks, site visits).
Predictive Features Forecasts CLV, churn, and next-order timing Behavior-based tagging automation but no advanced predictive analytics. Send-time recommendations & time-zone sending.
Best for → Ecommerce teams needing AI for growth optimization Small businesses wanting AI writing help with branded templates. Marketers wanting focused AI copy + testing.

Klaviyo helps ecommerce teams drive growth with predictive AI, offering churn forecasting, customer lifetime value insights, and personalized timing for higher engagement and sales.

AWeber empowers small businesses with AI-driven content creation, making it simple to generate branded emails, subject lines, and templates quickly — perfect for teams without design or copywriting resources.

Campaign Monitor gives marketers practical AI assistance, from copy suggestions to optimized send times and A/B testing, ensuring campaigns are polished and performance-focused without added complexity.

5. Deliverability & performance

AWeber leads in delivery rates, all platforms offer strong performance

Feature Klaviyo AWeber Campaign Monitor
Delivery Rate Consistently high (exact % not disclosed) High deliverability (No official percentage stated) 99% average delivery rate* (among the best in the industry)
Inbox Placement Consistent placement via Deliverability Hub tools Strong reputation with ISPs Strong sender reputation with mailbox providers; dedicated team optimizing for consistent inbox placement
Deliverability Tools Deliverability Hub with scoring, bounce analysis, and list verification Authentication setup (SPF, DKIM, DMARC), bounce handling, list hygiene checks Inbox previews, spam testing, deliverability experts, in-app authentication guidance (SPF, DKIM, DMARC), dynamic list hygiene tools
Sending Reliability Real-time analytics and sender reputation tracking Advanced analytics, real-time link tracking Real-time performance dashboards with bot-click filtering; trend monitoring to support sender reputation
Best for → High-volume ecommerce senders Businesses wanting proven deliverability infrastructure with hands-on compliance guidance Businesses that want expert deliverability guidance and proactive support to maximize inbox placement

Klaviyo supports ecommerce brands with reliable inbox placement and real-time analytics, helping high-volume senders maintain strong engagement and protect their reputation.

AWeber gives businesses proven deliverability infrastructure with authentication and compliance tools, ensuring consistent inboxing and reduced bounce risks.

Campaign Monitor provides expert deliverability guidance with advanced spam testing, reputation monitoring, and proactive support, giving brands confidence in maintaining industry-leading inbox rates.

quotation mark

"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."

verified user in Marketing and Advertising

6. Segmentation & personalization

Klaviyo excels in ecommerce precision, AWeber offers comprehensive targeting, Campaign Monitor provides unlimited control

Feature Klaviyo AWeber Campaign Monitor
Segmentation Capabilities Real-time, AI-enabled segmentation with RFM (Recency, Frequency, Monetary) analysis Segmentation using tags, custom fields, and subscriber behavior (opens, clicks, purchases) Rule-based segmentation using subscriber data (custom fields, activity, demographics, location) with AND/OR logic; unlimited segments per list
Dynamic Content Template-level show/hide logic supports behavior-based personalization Dynamic email content powered by custom fields and tags. Dynamic content blocks using if/else logic and custom fields
Personalization Tags Deep personalization using behavioral data and segment-based conditional logic (via RFM) Personalization using subscriber's info and custom fields Supports default tags (name, email) and up to 50 custom fields (e.g., birthday, country)
Subscriber Preferences Managed through profile fields and dynamic segments Subscriber preference center with update options. Fully customizable preference center (fields, frequency, topics)
Best for → Brands needing detailed, behavior-based personalization Businesses needing straightforward segmentation and personalization tools. Marketers wanting strong rule-based personalization with visual tools

Klaviyo empowers ecommerce brands with deep, AI-driven segmentation and predictive personalization, ensuring messages reach the right customers at the right time for stronger engagement and conversions.

AWeber offers straightforward targeting with tags and behavior-based fields, making it easy for small businesses to create tailored campaigns without added complexity.

Campaign Monitor delivers unlimited, rule-based segmentation with customizable fields, giving marketers maximum flexibility and control to create highly targeted, visually personalized campaigns.

quotation mark

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.

Read the case study here →

7. Integration ecosystem

AWeber leads in breadth, Klaviyo focuses on ecommerce depth, Campaign Monitor emphasizes quality

Feature Klaviyo AWeber Campaign Monitor
Number of Integrations 350+ app connections via the Klaviyo App Marketplace Hundreds of integrations; custom help if not available 250+ integrations with focus on quality
CRM Integrations Shopify, Salesforce, WooCommerce, Stripe, and more Open API and webhooks Shopify, WooCommerce, MailSync
E-commerce Integrations Deep Shopify, WooCommerce, BigCommerce Shopify, WooCommerce, PayPal, Etsy, SamCart, JVZoo, ClickBank Integrations with various CRM platforms (Salesforce, Zoho, Zapier)
API Flexibility Open APIs + webhooks available for custom data integrations API access (REST API with OAuth 2.0 + webhooks for custom builds) Robust API for custom integrations
Best for → Brands needing deep, tailored integrations Brands needing broad integrations and flexible automation Marketers working with major platforms seeking quality

Klaviyo is best for brands that need deep, ecommerce-driven integrations with platforms like Shopify, WooCommerce, and BigCommerce, plus API flexibility for building tailored workflows.

AWeber supports businesses with broad, multi-platform connections across ecommerce and payment tools, offering flexible automation and custom support when integrations aren’t natively available.

Campaign Monitor emphasizes quality-driven integrations with major CRMs and ecommerce platforms, making it ideal for marketers who want stable, reliable connections without extra technical overhead.

quotation mark

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.

Read the case study here →

8. Pricing & scalability

AWeber offers mid-range value, Klaviyo reflects ecommerce premium, Campaign Monitor ensures predictable growth

Feature Klaviyo AWeber Campaign Monitor
Starter Offer Free plan (250 contacts, 500 monthly email sends, and 150 SMS credits; email support for first 60 day) 14-day free trial 30-day free trial (500 contacts, 500 emails, 3 users, templates, basic reporting)
Most Popular Email: $45/mo (scales with active profiles) Plus: $30/mo (unlimited automations, landing pages, segments, users, advanced analytics, 24/7 priority support) Essentials $29/mo ($2.90 first month) — unlimited sends, automations, AI Writer, transactional emails
Pricing Model Tiered by active profiles; includes Email-only $45/mo and Email + SMS plans $60; Enterprise custom pricing available Tiered plans (Free trial → Lite $15/mo → Plus $30/mo → Unlimited $899/mo, flat rate) Monthly/annual options, auto-upgrades when thresholds hit Tiered plans (Free → Lite $12/mo → Essentials $29/mo → Premier $159/mo); unlimited emails from Essentials upward
Best for → Brands needing scalable email + SMS flexibility with no-cost starter access Small businesses and creators needing scalable, feature-rich email marketing with flexible pricing. Brands prioritizing predictable pricing with strong email features and optional SMS add-ons

Klaviyo provides a free plan with email + SMS credits, making it great for brands that want scalable growth without upfront costs. Its pricing adapts to active profiles, giving ecommerce teams the flexibility to grow without overpaying.

AWeber balances affordability and depth, offering unlimited automations, analytics, and advanced features at mid-range pricing. It’s best for small businesses and creators that want feature-rich email marketing without breaking the bank.

Campaign Monitor emphasizes predictability and professional-grade features, with straightforward tiered pricing that scales smoothly. It’s ideal for brands prioritizing stable budgets while still accessing advanced automations and SMS add-ons.

9. Support & resources

AWeber offers 24/7 availability, Campaign Monitor leads in expert guidance

Feature ActiveCampaign AWeber Campaign Monitor
Support Availability Email and live chat for paid users (24/7 email, chat hours vary by region); free users get email support only for the first 60 days 24/7 live support via phone, email, and live chat on all plans. Email, phone, knowledge base, tutorials, and deliverability experts available
  • Americas: Mon–Fri, 6 am–5 pm PST/PDT
  • Australia & Asia: Mon–Fri, 9 am–5 pm AEST/AEDT
  • Europe: Mon–Fri, 9 am–5 pm BST/GMT
Support Response Time SLA by plan: Enterprise 1–12 hrs, Professional 2–24 hrs, Standard 4–48 hrs. Well-regarded for helpful support Fast response times praised
Knowledge Resources Klaviyo Academy, help center, forum, training sessions. Guide, Knowledge Base, webinars and virtual events Extensive help center, Knowledge Base, training videos, and email academy (even on free plan)
Expert Guidance Guided onboarding + paid services for migrations, flows, and templates. Free migration services Professional services team for expert-led onboarding.
Best for → Ecommerce brands needing tiered SLAs + self-service learning. Small businesses needing hands-on support with migration and live help anytime. Brands seeking fast, expert-led support with global availability.

Klaviyo offers tiered SLAs and guided onboarding, making it ideal for ecommerce brands that want structured support plus self-service learning to stay in control while scaling.

AWeber stands out with 24/7 live support across all channels, ensuring small businesses always have immediate help—plus free migration services to simplify setup.

Campaign Monitor provides the strongest expert guidance, with a professional services team, global coverage, and extensive learning resources. It’s best for brands seeking fast, expert-led support with worldwide availability.

quotation mark

"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."

JoAnn H., Creative Account Manager (G2)


What People Have to Say About Campaign Monitor…

★★★★★

"Love Campaign Monitor..."

★★★★★

"An agency using Campaign Monitor for over a decade."

★★★★★

"Pioneers of Agency EMM"

The verdict: Klaviyo wins for ecommerce sophistication, AWeber excels for AI-powered simplicity, but Campaign Monitor offers the best balance

Cure Brain Cancer Foundation switched from Mailchimp to Campaign Monitor for better branding control, cost-efficiency, and automation scale, ultimately raising $1.6M AUD in one campaign (exceeding their $1.5M target) with a 90% reduction in non-fundraising registrants.


Read the case study here ➔

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  1. 01

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