Tool profile
Messaging platform for lifecycle emails, push, SMS, and automated campaigns driven by customer data.
B2B SaaS lifecycle email paired with product event triggers
Customer.io orchestrates email, push, in-app, SMS, and webhooks from customer data and segments. Pricing keys off profiles (people + objects) and monthly message volume.
Per customer.io/pricing, Essentials starts at $100/month (monthly billing shown) including 5,000 profiles, 1 million emails per month, 2 object types, community/email support, ad audience sync, visual workflows, and basic integrations. The usage table lists $0.009 per additional profile and $0.12 per additional 1,000 emails on Essentials. Premium starts at $1,000/month billed yearly, adding custom profile/email volumes, 10 object types, premium support, onboarding help, HIPAA option*, premium integrations, and more workspaces. Enterprise is custom with migration support, dedicated CSM, audit logging, and dedicated hardware options on the public matrix.
Journeys features span transactional mail, cross-channel campaigns, mobile SDKs, and webhook actions—SMS is custom priced on Essentials. Startup program offers 12 months free for companies raised under $10M if eligible.
Compare Braze or Iterable for enterprise marketing clouds; compare Klaviyo for ecommerce-first email; compare Postmark/Resend when you only need transactional pipes.
Quick fit
Editorial take
Model profiles and email sends as two meters—CRM-wide person+object counts bite faster than send volume. Premium’s annual headline changes cash flow versus Essentials monthly. SMS and dedicated hardware are conversation-heavy lines. For alternatives, Braze wins massive consumer scale; Klaviyo wins Shopify-centric retail; Iterable competes for mid-market journey complexity.
What it does well
Primary use cases
Fit notes
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Pressure-test this pick against nearby alternatives.
Pricing snapshot
Customer.io's pricing page shows Essentials starting at $100 per month billed monthly with 5,000 profiles, 1 million emails per month, and 2 object types. Premium starts at $1,000 per month billed yearly and adds custom profile and email volumes plus 10 object types. Enterprise is custom. Customer.io also advertises up to 12 months free for eligible early-stage startups.
Agora
Free planRealtime voice, video, and livestreaming in customer-facing applications
Realtime engagement platform for voice, video, chat, signaling, and AI conversation features with broad usage-based pricing.
Choose Agora when platform breadth across realtime products matters more than open-source control.
