How many companies use MailOptin vs reCAPTCHA?

142 companies use MailOptin and 44,483 companies use reCAPTCHA in our database. reCAPTCHA is more widely adopted with 313.3x more companies than MailOptin.

Can I get a list of companies using both MailOptin and reCAPTCHA?

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.

MailOptin vs reCAPTCHA

reCAPTCHA is used by 44,483companies — 313.3x more than MailOptin (142).

142 use MailOptin44,483 use reCAPTCHA

Side-by-side comparison

	MailOptin	reCAPTCHA
Companies	142	44,483
Category	Widgets	Security

Company adoption

Top companies using MailOptin

The Bluebird Cafebluebirdcafe.com

Saber Interactivesaber3d.com

Chalet Robinsonchaletrobinson.be

Sanctuaire Notre-Dame de Verdelaissanctuairedeverdelais.fr

Sheboygan Christian Schoolsheboyganchristian.com

Top companies using reCAPTCHA

UNI Bostonuni-boston.com

Helmsley Brewing Co.helmsleybrewingco.co.uk

Gusto di Castogustodicasto.nl

KERABUScamping-kerabus.com

ClayHRclayhr.com

Get the full comparison

44,625 companies with emails, tech stacks, and contacts

Start free →

1,000 lookups · API access · CSV exports

API access

GET /api/v1/tech?name=mailoptin

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

jQuery vs MailOptinCompare →jQuery vs reCAPTCHACompare →jQuery Migrate vs MailOptinCompare →jQuery Migrate vs reCAPTCHACompare →MailOptin vs WordPressCompare →reCAPTCHA vs WordPressCompare →

View individually

Companies using MailOptin→

Companies using reCAPTCHA→

Frequently asked questions

Need this data via API?

Access technology comparison data programmatically via REST API or MCP.

API docs →