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Klaviyo vs Square

Side-by-side comparison of two indie startups from the Startup Spotlight directory.

Option A
Klaviyo

Klaviyo

E-commerce

Power smarter digital relationships.

Klaviyo is an email, SMS, reviews, and CRM platform built for fast-growing e-commerce brands.

Founder
Andrew Bialecki
Founded
2012
Team
500+
Listing
Free (nofollow)
Listed
May 2026
View Klaviyo
Option B
Square

Square

E-commerce

Run your business and pay your team — anywhere.

Square is an end-to-end commerce platform for restaurants, retailers, and service businesses — POS, payroll, payments, and capital.

Founder
Jack Dorsey
Founded
2009
Team
500+
Listing
Free (nofollow)
Listed
May 2026
View Square

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Klaviyo alternatives →Square alternatives →