How many companies use Twenty Fifteen vs Twenty Twenty-One?

187 companies use Twenty Fifteen and 485 companies use Twenty Twenty-One in our database. Twenty Twenty-One is more widely adopted with 2.6x more companies than Twenty Fifteen.

Can I get a list of companies using both Twenty Fifteen and Twenty Twenty-One?

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.

Twenty Fifteen vs Twenty Twenty-One

Twenty Twenty-One is used by 485companies — 2.6x more than Twenty Fifteen (187).

187 use Twenty Fifteen485 use Twenty Twenty-One

Side-by-side comparison

	Twenty Fifteen	Twenty Twenty-One
Companies	187	485
Category	WordPress themes	WordPress themes

Company adoption

Top companies using Twenty Fifteen

Kantinchenkantinchen.com

Gemeinde Klevekleve-dithmarschen.de

SAGRA FOOD&WINEsagra.nl

Gemeinde mit Zukunftkirchengemeinde-ramelsloh.de

HOBBYWERKSTATT MANNHEIMhobbywerkstatt-mannheim.de

Top companies using Twenty Twenty-One

Sportpension Thayerthayer-kaprun.at

Hotel Leiria Classichotelleiriaclassic.pt

Cafe Boostcafeboost.nl

SARAHdas-sarah.de

Dunbar Community Bakerydunbarcommunitybakery.co.uk

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672 companies with emails, tech stacks, and contacts

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1,000 lookups · API access · CSV exports

API access

GET /api/v1/tech?name=twenty-fifteen

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