Choosing the right tools is a constant balancing act for agencies wanting to drive client results without burning out their team. Email marketing can generate, on average, $36- $42 for every dollar spent, but hitting that benchmark requires the right platform.
By selecting Klaviyo, you may end up paying for enterprise features you don’t yet need. Also, you won’t be able to manage all your clients under a single login. You need practical platforms that balance great features with fair pricing to keep margins healthy and clients happy.
Here are 6 strong Klaviyo alternatives to help you drive growth, speed up your workflow, and boost campaign performance.
1. Omnisend
Omnisend is an email and SMS platform built strictly for ecommerce and retail brands. It’s great for agencies because the workflow makes managing multiple client accounts fast and frictionless.
Its performance metrics are staggering, boasting an average ROI of $79 for every $1 spent. It removes the friction from multi-channel marketing, letting your team deploy email and SMS campaigns in minutes rather than hours.
Key features
- Predictive AI: Accurately forecasts individual customer lifetime value, identifies potential churn risk, and generates smart product recommendations based on historical purchase behavior.
- Generative AI: Generate compelling promotional copywriting and maintain a consistent brand voice across all client communications.
- Forms AI: Build and review signup forms to maximize new subscriber capture rates and ensure optimal placement across client websites.
- MCP integration: The Model Context Protocol integration lets your ChatGPT or Claude talk directly to Omnisend so you can check campaign performance and create new workflows without switching tabs.
- Global SMS marketing: Reach international audiences with unified email and SMS workflows using highly flexible $10 top-ups and a convenient automatic credit rollover.
Pros
- Trusted by over 150,000 active brands, maintaining exceptionally high ratings (4.8) across major software review platforms.
- Award-winning 24/7 customer support that is available to everyone, even clients on the free plan.
- They offer a white-glove migration service, moving your contacts, flows, and templates over in just a few days, completely free of charge.
- As client lists scale, Omnisend can cost half as much for the same subscriber volume and SMS capabilities.
Cons
- It’s strictly for ecommerce. If you manage B2B or service-based clients, you’ll lack the specific tools those industries need.
- There is no standalone CRM or pipeline tracking for managing long-term sales cycles.
Pricing
- Free plan available.
- Paid plans start from $16/month.
2. Mailchimp
Mailchimp is a versatile, all-in-one marketing platform that’s also useful for agencies. It goes beyond basic email, offering built-in tools for social media management, digital ads, and landing page creation.
Thanks to its massive brand recognition and endless third-party integrations, it’s often the default starting point for newer agencies. It’s decent for both local shops and small to medium-sized ecommerce brands.
Key features
- Customer journey builder: A visual drag-and-drop canvas that lets you map out automation paths based on user behavior and engagement triggers.
- Creative assistant: An AI-driven tool that instantly resizes and formats client brand assets to fit any email template or social post.
- Behavioral targeting: Segment audiences using purchase history and website interactions to send highly relevant offers.
- Send time optimization: Analyzes historical subscriber activity to deliver emails exactly when each person is most likely to open them.
- Dynamic content blocks: Automatically swap out text and images within a single email to match the preferences of different audience segments.
Pros
- It boasts one of the largest integration directories on the market, connecting with almost any business app or ecommerce platform you use.
- You get free access to Mailchimp Academy, which offers comprehensive video training and professional software certifications.
- The reporting dashboard makes it easy to track campaign performance and list growth at a glance.
- You can run paid social ads and publish organic posts directly from the Mailchimp dashboard.
Cons
- Pricing scales aggressively as lists grow, especially following their recent price hikes and free tier reductions, which can quickly devour an agency’s margins.
- Mailchimp uses a rigid, siloed “Audience” system. You can’t easily send a single campaign across multiple lists, and you are charged twice if a contact appears in two different audiences.
Pricing
- Free plan available.
- Paid plans start from $13/month.
3. ActiveCampaign
ActiveCampaign combines powerful marketing automation with a built-in CRM, making it ideal for agencies managing complex client funnels. It excels at creating dynamic workflows that adapt instantly to subscriber behavior and micro-interactions.
Agencies use it to align sales and marketing for clients with long buying cycles and high-ticket offers. It also features automated lead scoring and pipeline management.
Key features
- Advanced marketing automation: Build intricate workflows with detailed branching logic, goal tracking, and complex conditional splits.
- Integrated sales CRM: A native CRM that tracks active deals, manages sales pipelines, and automates routine follow-up tasks.
- Site tracking: Monitor subscriber activity on client websites to trigger targeted emails based on specific page visits.
- Automated lead scoring: Assigns points to subscribers based on their engagement, helping sales teams quickly identify hot prospects.
- Predictive sending: Uses machine learning to deliver emails exactly when each individual contact is most likely to open them.
Pros
- The automation builder offers incredible flexibility for designing sophisticated, responsive customer journeys.
- Combining email marketing with a CRM provides a unified view of the entire customer lifecycle and sales pipeline.
- You can deliver dynamic content based on granular custom field data collected from your subscribers.
- Robust testing capabilities allow you to split-test entire automation sequences against each other, not just individual emails.
Cons
- The steep learning curve requires a significant time investment for new agency staff to get fully up to speed.
- The sheer volume of features can overwhelm smaller clients who just need basic newsletter functionality.
Pricing
- Free trial available (14 days).
- Paid plans start at $15/month, billed annually.
4. Brevo
Brevo offers a robust marketing suite for agencies prioritizing multi-channel communication. It focuses on combining promotional emails with SMS and transactional email delivery.
The pricing model is also attractive: you are charged based on monthly email volume, not your total contact count. It also includes live chat tools to help your clients engage website visitors directly.
Key features
- Transactional email: Reliable delivery for critical messages like order confirmations, password resets, and shipping updates.
- Coordinated SMS marketing: Run automated text campaigns alongside your email sequences to boost engagement.
- Shared inbox: Consolidates customer support emails and live chat messages into a single team dashboard.
- WhatsApp campaigns: Connect directly with audiences using the official WhatsApp Business API.
- Behavior-based automation: Trigger personalized welcome series and cart abandonment reminders based on user activity.
Pros
- The volume-based pricing allows you to store unlimited contacts, making it highly cost-effective for clients with massive lists but lower sending frequencies.
- It handles both promotional marketing and transactional emails within a single interface.
- You can quickly deploy live chat widgets on client websites to capture leads in real time.
- Includes a straightforward drag-and-drop builder for creating responsive emails without coding.
Cons
- The default template library is noticeably smaller than what competitors offer.
- The automation builder lacks the deep logical branching found in specialized tools.
Pricing
- Free plan available.
- Paid plans start at $9/month.
5. Sendlane
Now backed by its recent acquisition by Privy, Sendlane caters specifically to agencies focused on scaling direct-to-consumer (DTC) and ecommerce brands. The platform emphasizes revenue generation through deep integrations with major ecommerce platforms.
Agencies use it to unify email, SMS, and product reviews into a single growth strategy. Its robust analytics help your team attribute sales cleanly across multiple channels.
Key features
- Deep ecommerce integrations: Syncs seamlessly with stores like Shopify to pull in complete purchase histories and product catalogs.
- Unified messaging workflows: Build automations that pivot between email and SMS based on subscriber behavior and preferences.
- Intelligent data capture: Deploy targeted pop-ups triggered by exit intent, time on page, or scroll depth.
- Advanced segmentation: Filter subscriber lists using dozens of behavioral and transactional data points simultaneously.
- Integrated product reviews: Automatically collect and display customer feedback to build social proof and drive sales.
Pros
- The analytics dashboard provides excellent visibility into revenue attribution and individual campaign performance.
- Agencies may appreciate the dedicated account managers who provide strategic guidance and responsive support.
- The system processes data rapidly, ensuring complex automations trigger in real time without delay.
- The built-in review tool eliminates the need for clients to pay for third-party review apps.
Cons
- It caters strictly to ecommerce, offering almost no value for B2B or service-based businesses.
- The starting price is significantly higher than entry-level tools, making it a tough sell for clients with tight budgets.
Pricing
- You can request a demo.
- Plans start at $100/month.
6. Drip
Drip provides a robust marketing engine designed for agencies that want to deliver personalized ecommerce experiences. The platform focuses heavily on visual workflow automation and granular customer tracking.
Agencies use it to create tailored campaigns that react instantly to shopper actions and site behavior. It helps retail brands build stronger relationships through targeted lifecycle marketing.
Key features
- Visual automation: The intuitive drag-and-drop builder allows you to design complex customer journeys quickly.
- Behavior-based triggers: Launch campaigns instantly when customers view products, abandon carts, or complete a purchase.
- Dynamic segmentation: Subscriber lists update automatically in real-time as user data and engagement metrics shift.
- Personalized recommendations: Insert dynamic content blocks that display products tailored to each subscriber’s unique browsing history.
- Revenue dashboards: Track exactly how much revenue each campaign and automation sequence generates.
Pros
- The visual automation interface makes it easy to map out and digest complex, multi-step customer journeys.
- Its granular tagging system is exceptional for organizing audiences and tracking subscriber preferences over time.
- It integrates easily with both custom ecommerce builds and popular platforms like Shopify and WooCommerce.
- Native support for Liquid templating allows technical teams to build highly customized, dynamic email layouts.
Cons
- The interface can quickly become visually cluttered and difficult to navigate when managing dozens of complex client workflows.
- Native reporting lacks the deep, multi-channel attribution capabilities required for highly complex client setups.
Pricing
- Free trial available (14 days).
- Paid plans start from $39/month.
Conclusion
Email marketing agencies need reliable tools that deliver measurable results, clear analytics, and scalable features. Each platform we covered has distinct strengths suited for different client needs, team sizes, and business models.
Evaluate your client base to determine which platform best aligns with your agency’s goals and service offerings. Choosing the right mix of automation, integrations, and transparent pricing gives your team the foundation they need to boost campaign success and drive long-term client retention.