Top-rated marketing automation platforms for omnichannel messaging 

Marketers need to meet customers where they are. Customers expect personalized, consistent communication across every channel. Omnichannel messaging (https://learn.customer.io/omnichannel/mobile-onboarding) makes this possible by connecting email, SMS, push notifications, in-app messages, and even social channels in a single journey. The right marketing automation platform helps you coordinate these touchpoints, turning disconnected campaigns into seamless customer experiences.

But choosing a platform isn’t simple. Every business has different goals, data needs, and customer expectations. Some tools focus on e-commerce, while others lean toward enterprise complexity or product-led growth. This guide explores the top-rated marketing automation platforms for omnichannel messaging in 2025 so you can find the best fit for your business.

Full disclosure: The Customer.io team created this list. We've included our product alongside other leading tools for a fair and useful comparison.

The best platform depends on your business type. Customer.io is ideal for SaaS, e-commerce, and fintech companies that need flexible, data-driven workflows. HubSpot works well for SMBs, Salesforce suits large enterprises, and Klaviyo is strong for e-commerce. Platforms like Braze and Iterable are excellent for mobile-first and growth-focused teams.

The right platform goes beyond sending messages. It helps you orchestrate journeys, activate customer data, and optimize campaigns at scale. When comparing options, prioritize these key features:

• Unified customer data and segmentation: Look for platforms that allow you to centralize customer data and build dynamic segments in real time.
• Cross-channel orchestration: Ensure the platform supports the channels you need, from email and SMS to push and in-app.
• Personalization and dynamic content: Choose a solution that enables relevant, personalized messaging at scale.
• Scalability and integrations: Verify that the platform integrates with your tech stack and scales as your business grows.
• Analytics and reporting: Prioritize tools that provide visibility into performance with actionable insights.
• Ease of use and support: Select a platform your team can use effectively, with support that fits your needs.

These criteria help you cut through feature lists and focus on what matters most: creating effective customer journeys.

HubSpot Marketing Hub offers an all-in-one solution for small and midsize businesses. The platform includes marketing automation, CRM, and customer service tools, which makes it appealing for teams that want a single ecosystem.

HubSpot supports email, chat, ads, and social channels. The workflows are user-friendly, and the drag-and-drop builder makes automation accessible to non-technical marketers. While HubSpot is versatile, businesses with advanced data needs may find it limiting compared to platforms built for deeper customization.

In our Customer.io vs HubSpot comparison, we break down how Customer.io's real-time automation compares.

Best for: Small to midsize businesses seeking simplicity.

Salesforce Marketing Cloud delivers enterprise-level marketing automation with advanced personalization. Its Einstein AI tools help businesses analyze customer data, predict behavior, and deliver targeted messages across email, SMS, and social channels.

The platform integrates tightly with Salesforce CRM, which makes it powerful for organizations already using Salesforce as their system of record. The trade-off is complexity. Salesforce requires significant setup and resources, which may not be practical for smaller teams.

Best for: Enterprise organizations with advanced CRM needs.

Customer.io empowers businesses to build automated messaging journeys that respond to customer behavior in real time. The platform supports email, SMS, push notifications, and in-app messaging, giving teams the flexibility to design consistent experiences across multiple channels.

What sets Customer.io apart is its focus on real-time data activation. Marketers can create sophisticated workflows using behavioral data, lifecycle triggers, and dynamic content. This flexibility makes it a strong choice for SaaS companies, e-commerce brands, and fintech businesses that need to communicate at critical moments in the customer journey.

Customer.io also integrates with Salesforce and Hubspot, so you can amplify your existing tech stack with real-time data for smarter, more scalable messaging.

Best for: Product-led growth companies, SaaS, e-commerce, fintech.

Klaviyo has become a go-to platform for e-commerce businesses. Its strengths lie in its integrations with Shopify, WooCommerce, and other e-commerce platforms. Klaviyo’s automation capabilities help businesses deliver personalized product recommendations, cart abandonment flows, and re-engagement campaigns.

The platform supports email and SMS, with predictive analytics to guide segmentation. Klaviyo excels in e-commerce, but it is less suited for businesses outside that space.

In our Customer.io vs Klaviyo comparison, you’ll see how Customer.io’s testing and personalization flexibility stacks up.

Best for: E-commerce businesses looking to drive conversions.

Iterable is a cross-channel marketing platform that emphasizes experimentation and personalization. It supports email, SMS, push notifications, and direct mail, giving marketers flexibility in how they reach customers.

The platform’s strength lies in its ability to help teams test and iterate. Iterable offers advanced A/B testing and multivariate testing to optimize campaigns. The trade-off is that it can feel more complex for teams that are just starting out with automation.

In our Customer.io vs Iterable comparison, you’ll be able to weigh your options based on your specific needs.

Best for: Growth-focused companies that value testing and personalization.

Braze is designed for companies with strong mobile strategies. The platform excels at push notifications, in-app messaging, and mobile-first customer journeys. It also supports email and SMS, giving teams a broader range of options for omnichannel communication.

Braze’s campaign experimentation tools allow marketers to test and optimize journeys quickly. However, Braze can require more technical expertise and investment than some other platforms.

In our Customer.io vs. Braze comparison, you can discover the omnichannel marketing features each tool supports.

Best for: Mobile-first companies and apps.

Still need help choosing? Use this side-by-side view makes it easier to compare options based on your business type and priorities.

Finding the best platform for your business requires more than reading feature lists. Start by assessing your customer communication needs. If your business relies on e-commerce, you likely prioritize deeper integrations with your store. If you are building a product-led company, you may be more interested in real-time behavioral triggers.

Consider how each platform fits into your existing tech stack and team's resources. Especially for teams looking to scale, consider integration capabilities that can save time and reduce friction. The platform you choose should support your current needs as well as future growth without requiring a major switch in the future.

Finally, evaluate pricing and support. Some platforms require enterprise-level investment and technical expertise, while others focus on accessibility and ease of use. The right choice balances your current needs with your long-term strategy.

Omnichannel messaging is no longer optional. Customers expect personalized, seamless communication across every channel. The right marketing automation platform helps you meet these expectations, unify your data, and create experiences that drive growth.

Customer.io offers a powerful solution for businesses that want flexibility, data-driven workflows, and real-time messaging across channels. For teams that value precision, scalability, and the ability to react to customer behavior instantly, Customer.io stands out as the top choice.

Discover how we can help you power your omnichannel messaging in 2025 and beyond.

What is the best marketing automation platform for omnichannel messaging?

Customer.io is one of the best options for omnichannel messaging, offering flexible workflows and real-time data activation. Other top platforms include HubSpot, Salesforce, Klaviyo, Braze, and Iterable.

Which marketing automation tool is best for e-commerce?

Klaviyo is built specifically for e-commerce businesses. Its Shopify integration and predictive analytics make it ideal for driving conversions.

How does Customer.io compare to HubSpot or Salesforce?

Customer.io provides more flexibility and real-time data activation compared to HubSpot’s ease of use or Salesforce’s enterprise complexity. The right choice truly depends on your business size and goals.

What features should I look for in omnichannel marketing software?

Look for unified data management, cross-channel orchestration, personalization, scalability, and strong analytics. These features ensure you can deliver consistent and effective customer journeys.