Double Opt-In for Contact Form 7 &… vs ZeroBounce Email Verification &… (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Double Opt-In for Contact Form 7 &…
1.0K+ active installs
Free
ZeroBounce Email Verification &…
1.0K+ active installs
Free
Quick Verdict
As of April 2026, Double Opt-In for Contact Form 7 &… has a higher user rating (5/5 from 8 reviews) and leads in active installations (1.0K+ vs 1.0K+). Both are free WordPress plugins. Double Opt-In for Contact Form 7 &… has accumulated 17K+ total downloads while ZeroBounce Email Verification &… has 11K+.
Detailed Comparison
| Metric | Double Opt-In for Contact Form 7 &… | ZeroBounce Email Verification &… | |
|---|---|---|---|
| Rating | 5/5 | ◄ | 4.8/5 |
| Total Reviews | 8 | ◄ | 4 |
| Active Installs | 1.0K+ | 1.0K+ | |
| Total Downloads | 17K+ | ◄ | 11K+ |
| Support Resolution | N/A | N/A | |
| Last Updated | 3 weeks ago | ◄ | 1 year ago |
| First Released | 2022 | 2017 | |
| Age | 4 years | 9 years | |
| WP Requires | 5.0+ | 4.4+ | |
| PHP Requires | 8.0+ | 7.0+ | |
| Business Model | Free | Free | |
| Latest Version | 3.7.2 | 1.1.3 |
Rating Breakdown
Double Opt-In for Contact Form 7 &…
ZeroBounce Email Verification &…
Download Trends
Over the past 30 days, Double Opt-In for Contact Form 7 &… averaged approximately 45 daily downloads while ZeroBounce Email Verification &… averaged 5.
Recent Reviews
Double Opt-In for Contact Form 7 &… Reviews
Great plugin.
Perfect plugin to avoid multiples entries on mail db. Great work.
Einfach zu bedienen ohne viel Schnickschnack
Endlich mal ein Tool, welches von der Funktionalität das macht, was es soll.
Funktioniert
Funktioniert alles und Support ist super kompetent und sympathisch
ZeroBounce Email Verification &… Reviews
Nice Plugin for Combatting Spam (and typos)
Been using this a while and it works pretty well; very useful for rejecting fake email addresses used by spammers/scammers, and also for validating real users/customer email addresses (where they some
Works Great!
I have tried so many plugins, honeypot, captchas, IP blocking countries, user agents, etc. but this plugin is great! I was very skeptical at first but after several weeks of using this, we are now on
Quick and to the point.
Exactly what I needed for my contact form 7. So simple to integrate with my contact form plugin.
More Email Verification Worth Comparing
Top alternatives in the same category as Double Opt-In for Contact Form 7 &… and ZeroBounce Email Verification &…
Enhance WooCommerce security and credibility with Email Verification best plugin. Ensure genuine customer interactions, eliminate spam, and elevate em …
OTP Verification via Email/SMS/WhatsApp,SMS Notifications for WooCommerce,OTP Login with Phone,PasswordLess Login.Custom Gateway for OTP Verification
Email verification for user registration to protect spam.
Frequently Asked Questions
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.