Customer io: 2025 Review and Top Alternatives

Customer io: 2025 Review and Top Alternatives - cover photo

Customer communication should be seamless, data-driven, and easy to manage. That’s what Customer.io promises. This customer engagement platform lets businesses create personalized journeys across multiple channels like email, SMS, push notifications, and in-app messages.

But does it deliver on usability and flexibility, or does the complexity get in the way?

Let’s break it down.

Customer.io: a powerful customer engagement platform or too complex?

Customer io - a platform minimizes operational overhead ensuring maximum roi for brands. Fueled by first-party data, create personalized journeys across all channels with our customer engagement platform.

Customer.io is a multichannel customer engagement platform that helps businesses connect with customers through automated workflows.

It lets you create personalized journeys using first-party data while supporting email marketing automation, in-app messaging, SMS, and push notifications.

Key features

  • Visual workflow builder – Build automated campaigns and customer journeys with an intuitive drag-and-drop interface.
  • Data-driven segmentation – Use attributes, events, or actions to create precise audience groups for personalized messaging.
  • Custom objects – Store and manage first-party data to enhance personalization and customer interactions.
  • Detailed analytics tools – Confidently connect with your audience using real-time insights on performance and engagement.
  • Ad audience sync – Connect customer profiles to advertising platforms to retarget users effectively.
  • Unlimited profile attributes – Store and manage customer details with unlimited profile attributes, events, and actions.
  • Native reverse ETL support – Manage your warehouse data

Considerations

  • Customer support is lacking – Small businesses might struggle with limited live support options.
  • Integrations are complex – Some users report difficulties setting up data pipelines with other tools.
  • Segmentation tools could be better – Advanced audience targeting is less flexible than competitors.

Pricing

💰 14-day free trial available

  • Essentials ($100/month) – 5,000 profiles, 1M emails per month, two object types, visual workflow builder, ad audience sync, and basic data pipelines.
  • Premium ($1,000/month) – Everything in Essentials, plus custom profile & email volume, 10 object types, 90-day onboarding support, and HIPAA compliance.
  • Enterprise (Custom pricing) – Everything in Premium, plus priority support, migration assistance, a dedicated customer success manager, and advanced security.

You can cancel anytime.

Customer io alternatives

If you feel that the tool is too complex or doesn’t suit your needs perfectly, there are many other options available. Check out the top alternatives to Customer.io.

Woodpecker

Woodpecker - an alternative to customer io

Woodpecker is a multichannel cold email marketing platform created for sales teams, lead generation agencies, and recruiters. It automates email outreach, LinkedIn engagement, and phone call follow-ups to improve deliverability and response rates.

Key features

Multichannel capabilities

Woodpecker goes beyond email by allowing users to reach prospects through LinkedIn and phone calls, ensuring higher engagement with potential leads.

LinkedIn actions

  • Visit profile – Notifies prospects that you viewed their LinkedIn profile as a soft touchpoint
  • Send connection request – Adds prospects to your LinkedIn network with a personalized note
  • Send direct message – Sends LinkedIn DMs as part of your outreach sequence
  • A/B testing for LinkedIn actions – Test different connection request messages for better acceptance rates

Call and SMS tasks

  • Call reminders – Woodpecker creates call tasks for prospects with saved phone numbers
  • SMS automation – Reminds users to send follow-up SMS messages when relevant

Considerations

Advanced features require add-ons – Some key features like agency panel, extra warm-ups, and lead finder credits cost extra.

Pricing

Woodpecker offers five plans based on the number of contacted prospects:

  • Free – 50 contacted prospects, 600 emails/month, no warm-ups
  • Starter ($20/month) – 500 contacted prospects, 6,000 emails/month, 2 warm-ups
  • Growth ($56/month) – 3,000 contacted prospects, 36,000 emails/month, 8 warm-ups
  • Scale ($126/month) – 10,000 contacted prospects, 120,000 emails/month, 20 warm-ups
  • Max ($6,666/month) – Unlimited prospects, emails, and warm-ups, with dedicated support and account management

Woodpecker stands out as a top-tier multichannel outreach tool for teams looking to scale email, LinkedIn, and phone-based prospecting in one platform.

Sign up for free today!

Expandi

Expandi homepage.

Expandi is a cloud-based LinkedIn automation tool designed to help businesses book more sales meetings through outbound campaigns. It combines LinkedIn, InMail, and email outreach in smart sequences while ensuring account safety with a dedicated country-based IP.

Key features

  • LinkedIn & lead generation – Smart scraping, auto warm-up, lead cleanup, and priority campaign management
  • Multichannel outreach – Automate LinkedIn profile visits, connection requests, direct messages, and email follow-ups
  • Account safety – Cloud-based, smart limits, LinkedIn bypassing
  • Advanced reporting – Performance tracking, campaign exports, and client transparency

Considerations

  • No Chrome extension – Unlike some competitors, Expandi doesn’t have a browser extension
  • Limited HubSpot integration – Manual work is needed for syncing leads
  • Overwhelming for beginners – Lacks in-depth guides, making onboarding harder

Pricing

  • Business ($99/month) – Smart LinkedIn automation, multichannel sequences, detailed analytics
  • Custom (10+ seats, flexible pricing) – Advanced team management, reporting, and white-label options

Ubico

Ubico, a tool that let your real time data create personalized journeys across mobile and web

Ubico is an AI-driven outreach and lead generation tool for sales and marketing teams. It automates prospecting, follow-ups, and meeting scheduling, helping businesses streamline sales engagement and enhance email deliverability.

Key features

  • AI-Powered reply handling – Automates follow-ups and categorizes responses
  • Personalized multi-channel outreach – Email, LinkedIn, and more
  • Segmentation engine – Targets campaigns based on industry insights
  • Email validation – Reduces bounces and improves inbox placement
  • Automated lead sourcing – Finds potential buyers efficiently

Considerations

  • Complex UI – Hard to navigate, making data access difficult
  • Overestimated reply rates – Bots sometimes skew response tracking
  • Data export limitations – Some users struggle to retrieve complete lists
  • Customer support issues – Reported delays and refund complications
  • Few reviews – Not widely tested across industries

Pricing

  • Starter ($100/month) – Basic outreach automation for small teams
  • Professional ($1,000/month) – CRM integrations, advanced analytics, and personalized onboarding
  • Enterprise (Custom pricing) – Custom reporting, intent data, and dedicated support

Mailmodo

Mailmodo, customer.io alternative

Mailmodo is an email marketing platform that helps businesses boost engagement and conversions through interactive AMP emails and automated campaigns. It provides a no-code email builder, transactional email services, and advanced segmentation tools to create highly personalized email experiences.

Key features

  • Drag-and-drop email builder – No coding required
  • AMP email creation – Interactive elements for better engagement
  • Automated email journeys – Set up sequences to nurture leads
  • AI content creation – Smart personalization for better targeting
  • Advanced deliverability monitoring – Ensures emails reach inboxes
  • Smart email segmentation – Target contacts based on behavior
  • SMS marketing – Currently in progress for multi-channel outreach
  • Analytics dashboard – Campaign performance insights

Considerations

  • Occasional AMP Reliability Issues – Emails sometimes fail to render properly
  • Dashboard Data Inconsistencies – Reports can be inaccurate
  • Limited Email Templates – More design options needed
  • Formatting Issues in API-Triggered Emails – Some restrictions apply

Pricing

  • Lite ($49/month) – 4,000 email credits, one team member, five active journeys
  • Pro ($99/month) – 5,000 email credits, three team members, 10 active journeys
  • Max ($199/month) – 7,500 email credits, five team members, unlimited journeys

Each plan scales based on contact count, and all of them include analytics, segmentation, and template customization.

Reachinbox

Reachinbox homepage.

Reachinbox is an AI-driven cold outreach platform. Businesses use it to automate personalized email campaigns, engage leads, and close deals. It streamlines multichannel communication by optimizing email deliverability, warm-ups, and advanced AI-generated messaging.

Key features

  • Unlimited leads & warmup – No cap on email accounts or warm-ups
  • AI-driven email campaigns – Personalization at scale
  • Advanced AI spintax generator – Generates message variations for better engagement
  • AI-optimized sending patterns – Adjusts email timing for higher deliverability
  • Dynamic domain rotation – Avoids spam filters by switching sending domains
  • Unified inbox – Centralized communication for all outreach

Considerations

  • Occasional bugs & downtime – Can disrupt workflow during campaigns
  • Limited customization options – Less flexibility compared to competitors
  • Warm-up issues – Some users report that it doesn’t work as expected
  • Google account integration difficulties – Setup can be frustrating

Pricing

  • Starter ($39/month) – 5,000 leads, 25,000 emails/month, 5,000 AI word credits, unlimited warm-up
  • Growth ($99/month) – 50,000 leads, 250,000 emails/month, 25,000 AI credits, webhooks & integrations
  • Pro ($499/month) – 500,000 leads, 1M emails/month, 150,000 AI credits, 50 workspaces
  • Enterprise ($999/month) – Unlimited warm-up, 1M emails/month, 500,000 leads, white labeling

All plans include AI automation, analytics, email scheduling, and CRM integrations.

Conclusion

Customer.io is powerful for businesses looking to automate personalized customer communication, but smaller teams may struggle with its learning curve, segmentation limits, and support quality.

If you need a simpler, more effective email automation tool for outreach, Woodpecker offers streamlined automation, inbox rotation, and smart lead management. Try Woodpecker for free today and create distinctive customer experiences and meaningful interactions.