Best Free Customer.io Alternatives — 12 Tools Compared in 2026

What is ActiveCampaign?

ActiveCampaign is the most powerful marketing automation tool designed to help you nail your next digital campaign. From nurture campaigns that convert new subscribers into long-term customers, to smart lead scoring that turns warm prospects into paying customers. It is the complete marketing ...

What is SendGrid?

SendGrid is a transactional and marketing email platform used by development teams at startups and mid-market companies to send order confirmations, password resets, and bulk campaigns via API at high volume. It provides deliverability infrastructure including dedicated IPs and email ...

What is Hubspot Marketing Hub?

The Marketing Hub is the all-in-one marketing software that provides you with everything you need to know about your customers. It provides full customer profiles and tracking functionality across your entire marketing automation funnel, from leads, to sales and beyond. HubSpot is the only ...

What is ActiveTrail?

ActiveTrail is an email, SMS, and WhatsApp marketing automation platform for small-to-mid-sized businesses and marketing agencies that need multi-channel campaign automation without enterprise pricing. Its flow-chart automation builder and drag-and-drop editor let teams create multi-step ...

What is Outgrow?

Outgrow is a powerful marketing automation suite that helps you grow your business with marketing and sales software integrations, lead scoring for sales, and personalization capabilities. It is an easy-to-use, powerful marketing automation solution designed specifically for high-growth ...

What is CleverTap?

CleverTap is an easy to use, affordable suite of mobile analytics tools that measure user activity on Android or iOS device based on app usage (mobile app), website visits (web app) and in-app events. CleverTap allows user to view over 15 different reports including session details, retention ...

What is Moosend?

Moosend is a powerful Email Marketing Software for small businesses that's easy to use and affordable, with a robust feature set. With its user-friendly interface and newbie-friendly training, Moosend makes it easy to create and send professional email campaigns so you can reach out to new ...

What is Google Tag Manager?

Google Tag Manager is a freemium web application offered by Google to manage website tags and scripts. Google Tag Manager is not just for developers, but for anyone with a website or digital marketing strategy. It allows website owners to easily manage the tags that are used on their website, ...

What is Kajabi?

Kajabi is a powerful content management system that supports businesses in their goals to profit from the Internet. It offers everything needed to manage business, customers and their sales funnel, and online content including guidebooks, ebooks, memberships and more. Content and services that ...

What is Marketo?

Adobe Marketo Engage is a marketing automation platform used by B2B enterprise marketing and demand generation teams at mid-market and large companies. It automates email campaigns, lead nurturing, and lead scoring across channels, and integrates with Salesforce and other CRMs to route ...

What is Insightly?

Insightly is CRM software for growing B2B sales and marketing teams that need pipeline tracking, contact management, and task automation without enterprise-level complexity. It integrates with Gmail and Outlook so reps can log and manage client records without leaving their inbox, and supports ...

What is Ontraport?

Ontraport is a CRM and marketing automation platform designed for small and mid-sized businesses that need to manage contacts, automate marketing and sales, process payments, and build web experiences from a single system. Unlike point solutions that require multiple integrations, Ontraport ...