ConvertKit vs Customer.io: Email Marketing Comparison (2026)
An independent side-by-side comparison of ConvertKit and Customer.io for email marketing buyers — pricing, features, integrations, and how often each is cited by major AI engines.
AI Citation Scorecard
How often each is cited by major AI engines when buyers ask email marketing questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.
Probes run hourly; each (engine × query) combo retests every ~3 days.
Pricing
Key Features
- ✓1 basic Visual Automation
- ✓Unlimited landing pages & forms
- ✓Unlimited email broadcasts
- ✓Audience tagging & segmentation
- ✓Sell digital products & subscriptions
- ✓Unlimited Visual Automations
- ✓Survey subscribers with polls
- ✓A/B test subject lines
Feature data is being indexed.
When to choose ConvertKit
Choose ConvertKit if your team prioritizes its strengths over Customer.io's. Full guidance populates as ConvertKit's feature data is indexed.
When to choose Customer.io
Choose Customer.io if your team prioritizes its strengths over ConvertKit's. Full guidance populates as Customer.io's feature data is indexed.
AI visibility profiles
Is one of these your brand?
Get the full report by email: every email marketing buyer question we ask, which engines name you, and who gets named instead.
convertkit.com
customer.io