How many companies use Klaviyo vs Nosto?

52,099 companies use Klaviyo and 10,972 companies use Nosto in our database. Klaviyo is more widely adopted with 4.7x more companies than Nosto.

Can I get a list of companies using both Klaviyo and Nosto?

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.

Klaviyo is used by 52,099companies — 4.7x more than Nosto (10,972).

52,099 use Klaviyo10,972 use Nosto

	Klaviyo	Nosto
Companies	52,099	10,972
Category	Other	Retargeting

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63,071 companies with emails, tech stacks, and contacts

1,000 lookups · API access · CSV exports

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GET /api/v1/tech?name=klaviyo

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