How many companies use Klaviyo vs Simplero?

76,483 companies use Klaviyo and 52 companies use Simplero in our database. Klaviyo is more widely adopted with 1470.8x more companies than Simplero.

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

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 76,483companies — 1470.8x more than Simplero (52).

76,483 use Klaviyo52 use Simplero

	Klaviyo	Simplero
Companies	76,483	52
Category	Marketing automation	Marketing automation

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76,535 companies with emails, tech stacks, and contacts

1,000 lookups · API access · CSV exports

API access

GET /api/v1/tech?name=klaviyo

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