Customer.io vs Sendloop

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

Sendloop

See full pricing history

USD · US · source: sendloop.com

Plan	Pricing	Charged by	Offer type
Free	Free $0/month for subscriber storage; email delivery charged separately	Flat · per month	Standalone · Free
Email delivery	USD 0.01 monthly $0.01 per email sent on the Free plan	Usage · per email sent	Standalone · Usage based
Pro	USD 39 monthly $39/month for the displayed subscriber tier	Flat · per month	Standalone · Fixed
High Volume	USD 235 monthly $235/month for the displayed high-volume tier	Flat · per month	Standalone · Fixed

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

Sendloop

Free

Plan card Unlimited subscribers: Included
Plan card Unlimited lists: Included
Plan card Drag-and-drop email builder: Included

Email delivery

Plan card Campaign email delivery: Included
Plan card Unlimited subscriber storage: Included
Plan card Email-based support: Included

Pro

Plan card Autoresponders: Included
Plan card Activity-based segments: Included
Plan card Journeys and automations: Included

High Volume

Plan card High-volume email marketing: Included
Plan card Dedicated sender domains: Included
Plan card Webhooks: 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

Sendloop

August 27, 2026 Source
- Free: Free
- Email delivery: USD 0.01 monthly
- Pro: USD 39 monthly
- High Volume: USD 235 monthly