Best Email Marketing Software for Customer.io

Compare the Top Email Marketing Software that integrates with Customer.io as of May 2026

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Customer.io Email Marketing Clear Filters

This a list of Email Marketing software that integrates with Customer.io. Use the filters on the left to add additional filters for products that have integrations with Customer.io. View the products that work with Customer.io in the table below.

What is Email Marketing Software for Customer.io?

Email marketing software is software used to design, send, and track email campaigns. It allows users to easily manage large contact databases, segment contacts into groups, create targeted campaigns using powerful personalization tools, and monitor campaign performance with comprehensive analytics. Email marketing software also integrates with other online platforms, allowing users to seamlessly incorporate email campaigns into their overall marketing strategy. With automated workflows and customer journey tracking available in many solutions, businesses and creators can effectively engage customers on an ongoing basis. Compare and read user reviews of the best Email Marketing software for Customer.io currently available using the table below. This list is updated regularly.

1

Gist

Gist

All the tools you need to build a successful online business. Easy to use all-in-one software for live chat, chat bots, email marketing, marketing automation, forms, knowledge base, and more to create great customer experiences. By using Gist’s all-in-one platform, you no longer need to piece together multiple costly subscriptions. Better yet, your team will no longer need to switch between multiple tools to fully understand your customers. Qualify more leads automatically and close more deals with chatbots, forms and 24/7 automated meeting scheduling. Grow traffic, convert more visitors, and retain customers by running complete email marketing campaigns at scale. Assist customers in real-time with a collaborative inbox, automation, and self-service support. Replace 8+ tools and keep all of your products, content, customers, email subscribers, and data in one place.

6 Ratings

Starting Price: $33.99 per month

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2

SendGrid

Twilio SendGrid

Email is the backbone of your customer engagement. The Twilio SendGrid Email API is the email service trusted by developers and marketers for time-savings, scalability, and delivery expertise. Our flexible Email API and proprietary Mail Transfer Agent (MTA), intuitive console, powerful features, and email experts make it easy to ensure all your email gets delivered in seconds and without interruption. Monitor engagement data and optimize deliverability with our Deliverability Insights dashboard. Whether you’re sending 100 emails or 100 billion, SendGrid is built to scale. Integrate with our RESTful APIs and SMTP in minutes, with sample code libraries available in 7 languages, interactive docs, templates, and more.

8 Ratings

Starting Price: $19.95 per month

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3

Mailjet

Sinch

The email solution for fast-moving teams. We know how hard it can be to find an affordable and effective email service. Mailjet is the perfect solution for your needs, our advanced features help you grow your business at a very reasonable price. Effortlessly craft beautifully responsive email in just a few clicks with our email editor, Passport. Use our rich library of free email templates or create your own design from scratch. Use Mailjet’s Collaboration Toolkit to work on the same email template or campaign in real time to increase your team’s efficiency. Drastically shorten feedback cycle with commenting and approval workflow features to go faster. Personalize each email with customer data you collect and segment your contact list to send the right content to the right customer. It’s easy to make each of your recipients feel special. Optimize the performance of your campaign with real-time statistics available with each sending.

3 Ratings

Starting Price: $9.65 per month

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4

NiftyImages

NiftyImages

We removed common barriers such as development time, budget constraints, commitment, and IT resources needed to create more personalized email experiences. Quickly build images for use inside your current Marketing Cloud or ESP. We help with planning, strategizing, and execution no matters the complexity. Personalized Images give each recipient their own unique image using any subscriber data you have in your email service provider. Our easy-to-use editor allows you to upload your own image and/or font to create a truly custom image. Use any merge tag from your Email Service Provider, not just your First Name. Quickly build images for use inside your current Marketing Cloud or ESP. We help with planning, strategizing, and execution no matters the complexity. See dozens of NiftyImages use cases from inside the user interface.

Starting Price: $20 permonth

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5

Pendula

Pendula

Customer attention is scarce, and marketing and CX leaders are facing increasing pressure to continue driving growth with less time and tighter resources. With the limitless potential of generative AI, Pendula empowers teams to deliver adaptive and meaningful two-way customer experiences to inspire, engage, and retain customers at scale. Pendula aims to be at the heart of every conversation between businesses and their customers, all over the world. Intuitive drag-and-drop functionality that will empower teams to do their best work. Create two-way conversations and act on them intelligently with real-time data. Harness the power of AI to activate your entire data stack. The heart of next-gen customer engagement and retention. With Pendula's workflow studio, the only limits are the boundaries of your creative thinking. Select a data source to identify the moments that actually matter to your customers.

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6

Mailgun

Sinch

Mailgun is an email automation solution that is suitable for developers. With Mailgun, users are able to access a complete cloud-based email service for tracking, sending, and receiving emails sent via their applications and websites. Mailgun supports several programming languages including Python, Ruby, PHP, Java, and C#. With Mailgun's tracking feature, users are able to track all emails and reduce the chances of getting spam.

1 Rating

Starting Price: $0.01/month/user

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