AgentData
How it worksPricingDocsLive
AgentData

Company intelligence for AI agents
and growth teams.

PrivacyTermsCookiesData removal
Product
CompaniesLocal businessesTechnologiesPeopleHow it worksWhy it is freeDocumentation
Explore
Market intelligenceBrowse by industryLocal business directorySwitch signals
Alternatives
Apollo alternativeZoomInfo alternativeClearbit alternativeHunter alternativeBuiltWith alternativeLusha alternativeCognism alternativeMoltSets alternativeAll comparisons
Resources
BlogAPI & MCPllms.txtGitHubnpm
Crawling now
128,292,728 domains indexed·16,302,285 local businesses·7,697,725 emails found·3,170 technologiesLive data →
Made by Duda & Nick
© 2026 AgentData. All rights reserved.
Home›Technologies›Twenty Thirteen›Twenty Thirteen vs Twenty Twenty-One
T
Twenty Thirteen
vs
T
Twenty Twenty-One

Twenty Thirteen vs Twenty Twenty-One

Twenty Twenty-One is used by 680companies — 3.7x more than Twenty Thirteen (184).

184 use Twenty Thirteen680 use Twenty Twenty-One1,667 emails available

Side-by-side comparison

Twenty ThirteenTwenty Twenty-One
Companies184680
CategoryWordPress themesWordPress themes
Emails available1281,539

Company adoption

Twenty Thirtee…184Twenty Twenty-…680

Top industries

Twenty Thirteen

Other65
Hospitality & Travel29
Media & Content26
Education & Learning15
Healthcare & Life Sciences10

Twenty Twenty-One

Other193
Hospitality & Travel140
Media & Content63
Professional Services52
Healthcare & Life Sciences48

Top companies using Twenty Thirteen

RSV Söhnstettenrsv-soehnstetten.deSt. Columbancolumban.deLe Petit Neylepetitney.frKeizer Haarmodekeizerhaarmode.nlPelgrimskerk-vrppelgrimskerk-vrp.nl

Top companies using Twenty Twenty-One

24-7 Recovery Disaster24-7recoverydisaster.com.au24Flow24flow.eu1-800-Plumber +Air1800plumber.comwww.greenmill.comgreenmill.comFlying Horse Cafeflyinghorsecafe.com

Get the full comparison

864 companies with emails, tech stacks, and contacts

Start free →

1,000 lookups · API access · CSV exports

API access

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

From the makers of AgentData

DragApp

AI-powered shared inbox, help desk, and team collaboration — inside Gmail. 200K+ users.

Try DragApp free →

HeyHelp

AI email assistant inside Gmail. Drafts, sorts, follows up.

Try HeyHelp free →

Oneway

All-in-one customer platform — live chat, email, automations, changelogs & roadmaps with AI.

Try Oneway →

Related comparisons

Twenty Thirteen vs WordPressCompare →Twenty Twenty-One vs WordPressCompare →jQuery vs Twenty ThirteenCompare →jQuery vs Twenty Twenty-OneCompare →jQuery Migrate vs Twenty ThirteenCompare →jQuery Migrate vs Twenty Twenty-OneCompare →

View individually

T
Twenty Thirteen
Companies using Twenty Thirteen→
T
Twenty Twenty-One
Companies using Twenty Twenty-One→

Frequently asked questions

Need this data via API?

Access technology comparison data programmatically via REST API or MCP.

API docs →