Customer.io vs Enginemailer

See how their public offers line up before you choose your own position. Prices stay in the currency, billing schedule, and charged unit each vendor publishes.

Customer.io

See full pricing history

USD · US · source: customer.io

Plan	Pricing	Charged by	Offer type
Essentials	USD 100 monthly Starts at $100/month billed monthly	Flat · per month	Standalone · Starting at
Premium Highlighted	USD 1000 / month with annual commitment Starts at $1,000/month billed yearly	Flat · per month	Standalone · Starting at

Enginemailer

See full pricing history

USD · US · source: www.enginemailer.com

Plan	Pricing	Charged by	Offer type
Free	Free $0/month, free forever	Usage · 10,000 emails per month	Standalone · Free
Paid Highlighted	USD 9 monthly $9/month for 12,000 emails	Flat · starting per month for 12,000 emails	Standalone · Starting at
Enterprise	Contact sales Contact us	Flat · more than 2.5 million emails per month	Standalone · Contact sales

What each plan includes

Feature names follow each vendor’s own pricing page, so verify the wording before treating them as exact equivalents.

Customer.io

Essentials

Plan card Profiles: 5,000

Included
Plan card Emails: 1 million/month

Included
Plan card Visual workflow builder: Included

Premium

Plan card Unlimited workspaces: Included
Plan card Advanced governance: Included
Plan card Dedicated implementation support: Included

Enginemailer

Free

Plan card 10,000 monthly emails: Included
Plan card Unlimited subscribers: Included
Plan card Template library: Included
Plan card Autoresponders: Included

Paid

Plan card 12,000 monthly emails: Included
Plan card Unlimited AI content generations: Included
Plan card Unlimited landing pages: Included
Plan card Multi-user access: Included

Enterprise

Plan card High-volume email sending: Included
Plan card Enterprise onboarding: Included
Plan card Everything in Paid: Included
Plan card Enterprise support: Included

How their prices changed

Each dated row shows the public prices observed when that vendor’s pricing page changed.

Customer.io

August 27, 2026 Source
- Essentials: USD 100 monthly
- Premium: USD 1000 / month with annual commitment

Enginemailer

August 27, 2026 Source
- Free: Free
- Paid: USD 9 monthly
- Enterprise: Contact sales