Customer.io vs Robly: Email Marketing Comparison (2026)

An independent side-by-side comparison of Customer.io and Robly 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.

Too early to call — probes still building data.
ChatGPT
Customer.io
1 / 90 probes
1%
Poor
Robly
Tracking…
No data yet
Perplexity
Customer.io
1 / 91 probes
1%
Poor
Robly
Tracking…
No data yet
Gemini
Customer.io
1 / 90 probes
1%
Poor
Robly
Tracking…
No data yet
Claude
Customer.io
0 / 92 probes
0%
Invisible
Robly
Tracking…
No data yet
Copilot
Customer.io
0 / 91 probes
0%
Invisible
Robly
0 / 1 probes
0%
Invisible
Scale:NoneLowFairStrongExcellent

Probes run hourly; each (engine × query) combo retests every ~3 days.

Pricing

Customer.io
Starting price
$100/month
Free tier
—
customer.io ↗
Robly
Starting price
—
Free tier
—
robly.com ↗

Key Features

Customer.io
  • ✓5k profiles (people + objects)
  • ✓AI Agent with core execution skills
  • ✓1 million emails per month
  • ✓Visual workflow builder
  • ✓Email and community support
  • ✓Basic data integrations
Robly

Feature data is being indexed.

When to choose Customer.io

Choose Customer.io if your team prioritizes its strengths over Robly's. Full guidance populates as Customer.io's feature data is indexed.

When to choose Robly

Choose Robly if your team prioritizes its strengths over Customer.io's. Full guidance populates as Robly'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.

Customer.io

customer.io

Robly

robly.com

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We ask the buyer questions in this market across ChatGPT, Claude, Gemini, Perplexity and Copilot, and show you who gets named.

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