Sponsor comparison

Customer.io vs Opal

Newsletter sponsorship activity, audience reach, and ad formats — side by side.

Customer.io

customer.io

VS

Opal

opal.so

Sponsorship breakdown

Category
Customer.io
Opal
Industry

Technology

Productivity

Newsletter

MKT1 Newsletter with Emily Kramer

54K subscribers

Link in Bio

95K subscribers

Audience reach

54K subs

95K subs

Ad format
Header Sponsorship

used by Notion, Segment, and Clearbit to message and engage with customers acros…

Brand Sponsorship

The Olivia Unplugged TikTok account is explicitly marked as 'Powered by Opal' in…

Last recorded

May 2025

September 2025

Ad copy examples

Customer.io

used by Notion, Segment, and Clearbit to message and engage with customers across email, push, in-app, SMS, Slack, and WhatsApp. It’s easy to plug in your data and trigger campaigns based on just about anything: profiled attributes, events, actions—you name it.

Opal

The Olivia Unplugged TikTok account is explicitly marked as 'Powered by Opal' in the bio with a link to download the app. The account serves as a brand-owned content channel that educates users about screen time and focus while promoting Opal app downloads and installations.

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