How many companies use Customer.io vs Google Tag Manager?

25 companies use Customer.io and 2,624,626 companies use Google Tag Manager in our database. Google Tag Manager is more widely adopted with 104985.0x more companies than Customer.io.

Can I get a list of companies using both Customer.io and Google Tag Manager?

Yes. AgentData tracks companies using both tools. Sign up free to access the full list with emails, tech stacks, and contacts via CSV or API.

Customer.io vs Google Tag Manager

Google Tag Manager is used by 2,624,626companies — 104985.0x more than Customer.io (25).

25 use Customer.io2,624,626 use Google Tag Manager

Side-by-side comparison

	Customer.io	Google Tag Manager
Companies	25	2,624,626
Category	email_marketing	Other

Company adoption

Top companies using Customer.io

Hisachaka.com

Beefreebeefree.io

HVGinfo.hvg.hu

PharmacyOS - PillPackpharmacyos.com

urllolinks.urllo.com

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2,624,651 companies with emails, tech stacks, and contacts

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API access

GET /api/v1/tech?name=customer-io

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