Alternatives to Customer.io
The top Customer Engagement Platform companies similar to Customer.io, ranked by relevance (named competitors first, then how closely their sectors overlap) and our 0-100 AI-readiness score. Each links to a full profile with funding and team.
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Constant Contact52Digital MarketingWaltham, United States$37.0MDigital marketing platform for small businesses and nonprofits, offering email, SMS, social media, and CRM tools.
- Website HUHull40Customer Data PlatformAtlanta, United States$2.6M
Hull is a customer data platform that unifies and enriches customer data for personalized experiences.
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Freshworks56AISan Mateo, United States$150.0MCloud-based software company providing AI-powered customer service, IT service management, and CRM solutions.
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Catalyst52Customer Success PlatformNew York, United States$281.0MCustomer success platform that helps businesses retain and grow their customer base.
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Weave70Voice AILehi, United StatesAll-in-one communication and engagement platform for small businesses.
- Website Nonsync7Customer CommunicationLondon, United Kingdom
Nonsync is a platform that helps businesses manage and automate their customer communication workflows.
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Kayako34Customer Support SoftwareLondon, United KingdomCustomer service and help desk software unifying communication channels for businesses.
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HappyFox30CRMIrvine, United StatesAI-powered customer support software for service, IT, and operations teams.
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AI-powered omnichannel customer service platform for seamless digital engagement.
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Braze70Customer Engagement PlatformNew York, United States$695.1MA leading customer engagement platform that helps brands forge lasting connections through personalized experiences.
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OneSignal61Customer Engagement PlatformSan Mateo, United States$57.0MOmnichannel customer engagement platform for personalized messaging across mobile and web.
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Insider One60Customer Engagement PlatformIstanbul, Turkey$773.0MAI-powered customer engagement and personalization platform unifying CDP, journey orchestration, and cross-channel messaging.
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Klaviyo69Marketing Automation$372.9MKlaviyo is the only CRM built for B2C brands, powered by a built-in data platform and AI insights to unify marketing automation, analytics, and customer service for personalized experiences and accelerated growth.
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MoEngage56MarTechBangalore, India$246.0MCustomer engagement platform for brands to personalize user journeys and drive growth.
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iContact55Email MarketingMorrisville, United States$45.6MAn intuitive and easy-to-use email marketing platform for small and medium businesses.
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Optimove54AnalyticsTel Aviv, Israel$97.0MOptimove is the first Customer-Led Marketing Platform, empowering brands to personalize customer journeys and increase lifetime value.
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Weezmo50MarketingTel Aviv, Israel$1.0MAI-powered marketing platform connecting in-store and online customer journeys via digital receipts.
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Litmus48MarTechWoburn, United States$30.0MEmail marketing platform for creating, testing, and analyzing email campaigns.
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Postscript64E-commerceSan Francisco, United StatesSMS marketing and sales platform for e-commerce brands, driving revenue through personalized messaging.
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mapp Mobile35MarTechMunich, Germany$2.4Mmapp Digital provides a comprehensive digital marketing platform for customer engagement, analytics, and automation across various channels.
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Hightouch70Customer Data PlatformSan Francisco, United States$322.0MA Customer Data & AI Platform for marketers, offering an Agentic Marketing Platform to create and launch data-backed ads and personalized experiences at scale.
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Sprout Social Influencer Marketing70Social Media ManagementChicago, United States$103.5MSocial media management and analytics platform for businesses.
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Bloomreach66E-commerceMountain View, United States$452.0MAI-driven e-commerce experience platform for personalization, search, and content management.
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Sitecore63Digital Experience PlatformSan Francisco, United States$1.2BSitecore is a global leader in AI-enabled digital experience software, helping brands personalize and deliver content across channels.
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Fullpath63Automotive AIMiami, United States$40.0MFullpath is the automotive industry's leading Customer Data and Experience Platform (CDXP) for car dealerships, offering an AI ecosystem for data management and AI-driven marketing solutions.
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Manychat62Chat MarketingPalo Alto, United States$150.0MChat marketing platform for businesses and creators to drive sales and conversions on messaging apps via automation.
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ActiveCampaign60Agentic AIChicago, United States$50.0MCustomer experience automation platform with email marketing, CRM, and marketing automation.
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FirmPilot60LegalTechMiami, Malta$4.7MAI-powered legal marketing platform that helps law firms attract high-value clients.
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ITERABLE59SaaSSan Francisco, United States$250.1MCustomer engagement platform for cross-channel marketing campaigns.
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Levitate58Relationship MarketingRaleigh, United States$44.0MLevitate provides a Relationship Marketing Happiness Platform to help businesses build lasting client relationships through authentic communication and AI.
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Brevo Marketing Platform43MarTechParis, FranceAll-in-one marketing platform for SMBs, offering email, SMS, chat, CRM, and automation.
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FirstPromoter57Affiliate MarketingTalmaciu, Romania$1.0MSaaS platform for managing and automating affiliate and referral programs for subscription businesses.
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Anagog54MobileLondon, United Kingdom$25.0MIntent HQ provides a privacy-first Mobile Customer Engagement Solution for hyper-personalized marketing using on-phone data.
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Zeta Global54Marketing TechnologyNew York City, United States$855.0MAI-powered marketing cloud unifying data and AI for customer acquisition, growth, and retention.
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Mailjet54Email MarketingParis, France$16.7MAll-in-one email platform for designing, sending, and tracking marketing and transactional emails.
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ClickDimensions53MarketingAtlanta, United States$4.0MA marketing automation and CRM add-on solution for Microsoft Dynamics 365, unifying sales and marketing efforts for SMBs.
- Website April3133Customer Engagement Platform$1.5M
A curated showcase of innovative projects, digital designs, and creative publications.
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Tie - Predictive Analytics52MarketingMiami, United States$10.2MAI-powered identity resolution and shopper intelligence platform for e-commerce brands.
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CoreMedia49Digital Experience PlatformHamburg, Germany$4.7MComposable Digital Experience Platform (DXP) for personalized customer journeys across all channels.
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AppCard49MarketingNew York, United States$8.5MData-driven marketing platform for retailers to analyze, target, and engage customers.
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Marketing automation and behavioral insights platform for chatbots, driving user engagement and growth.
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Coldlabsdeliverability33Email DeliverabilityAI-powered email deliverability and inbox placement optimization platform for businesses.
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Akool47Generative AIPalo Alto, United States$40.0MGenerative AI platform for personalized visual marketing and advertising content creation.
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Warmy.io31EmailAI-driven email deliverability platform to warm up inboxes and increase email reach.
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WebyClip45MarketingTel Aviv, Israel$4.2MWebyClip provides an analytics-driven marketing solution for eCommerce websites, enabling targeted video content to boost customer confidence and sales.
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Jeeng45MarketingTel Aviv, Israel$20.5MAI-powered autonomous marketing platform for personalized user communication.
- Website JAJagger Solutions43Marketing$1.0M
Custom web development, cloud architectures, and digital products for growing businesses.
- Website Openminder7Customer Engagement Platform
- INInsightera40MarketingTel Aviv, Israel$6.5M
Marketing automation platform for customer engagement and sales.
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Tomobox25MarketingTomobox provides an AI-powered customer engagement platform that analyzes conversational data in real-time to deliver actionable insights.
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Adsmurai37AdTechBarcelona, Spain$47.3MAI-powered advertising and marketing platform for e-commerce and retail.
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Julai37MarketingTel Aviv, Israel$1.5M - Website
Unbounce61MarTechVancouver, CanadaAI-powered conversion intelligence platform for marketers to build, optimize, and convert landing pages.
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Appsflyer75MarketingTel Aviv, Israel$293.1MAppsFlyer is a mobile attribution and marketing analytics platform that helps app developers and marketers measure and optimize campaign performance.
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HubSpot CRM75CRMCambridge, United States$68.5MAll-in-one customer platform with integrated software for marketing, sales, service, content, data, and commerce.
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Yotpo73MarketingNew York, United States$436.0MYotpo is an e-commerce marketing platform that helps brands drive growth through reviews, SMS marketing, loyalty programs, and subscriptions.
- Website Campaignz33MarTech$1.5M
- Website Vipz33Customer Engagement$1.5M
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Exposebox18MarketingTel Aviv, IsraelExposebox is an AI-based marketing solution for multichannel personalization, boosting revenue through social media, email, SMS, and onsite experiences.