WP Mail SMTP by WPForms – The Most… vs Big Mailer – SendGrid (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
WP Mail SMTP by WPForms – The Most…
4.0M+ active installs
Free
Quick Verdict
As of April 2026, Big Mailer – SendGrid has a higher user rating (5/5 from 1 reviews) while WP Mail SMTP by WPForms – The Most… leads in active installations (4.0M+ vs 10). Both are free WordPress plugins. WP Mail SMTP by WPForms – The Most… has accumulated 76M+ total downloads while Big Mailer – SendGrid has 3.4K+.
Detailed Comparison
| Metric | WP Mail SMTP by WPForms – The Most… | Big Mailer – SendGrid | |
|---|---|---|---|
| Rating | 4.8/5 | ► | 5/5 |
| Total Reviews | 5,089 | ◄ | 1 |
| Active Installs | 4.0M+ | ◄ | 10 |
| Total Downloads | 76M+ | ◄ | 3.4K+ |
| Support Resolution | 88% | N/A | |
| Last Updated | 4 months ago | ◄ | 12 years ago |
| First Released | 2007 | 2012 | |
| Age | 19 years | 14 years | |
| WP Requires | 5.5+ | 3.0.1+ | |
| PHP Requires | 7.4+ | false+ | |
| Business Model | Free | Free | |
| Latest Version | 4.7.1 | 1.1 |
Rating Breakdown
WP Mail SMTP by WPForms – The Most…
Big Mailer – SendGrid
Download Trends
Recent Reviews
WP Mail SMTP by WPForms – The Most… Reviews
Great plugin!
Easy to install and configure. Works like a charm!
Love it
easy and reliable
Does the Job, Needs Improvement
WP Mail SMTP by WPForms works well for email delivery, with easy setup. However, it lacks some advanced features and customization. 4 stars! This topic was modified 2 days, 1 hour ago by janel
Big Mailer – SendGrid Reviews
No reviews yet
More Plugins Worth Comparing
Top alternatives in the same category as WP Mail SMTP by WPForms – The Most… and Big Mailer – SendGrid
The #1 Mailchimp plugin for WordPress. Allows you to add a multitude of newsletter sign-up methods to your site.
Make SMTP email sending and delivery easy. Configure Gmail, Outlook, Brevo, SendGrid, Mailgun, SendLayer or connect to any SMTP server.
Improve WordPress email deliverability. Connect Gmail SMTP, Microsoft 365, Brevo, SendGrid, Mailgun, Zoho, Amazon SES, etc. #1 WordPress SMTP Plugin.
Log, view, and resend all emails sent from your WordPress site. Great for resolving email sending issues or keeping a copy for auditing.
Creative Mail was designed specifically for WordPress and WooCommerce. Our intelligent (and super fun) email editor simplifies email marketing campaig …
Effortlessly manage transactional emails with Site Mailer. High deliverability, logs and statistics, and no SMTP plugins needed.
Frequently Asked Questions
Is WP Mail SMTP by WPForms – The Most… or Big Mailer – SendGrid more popular?
Which has better ratings — WP Mail SMTP by WPForms – The Most… or Big Mailer – SendGrid?
Are WP Mail SMTP by WPForms – The Most… and Big Mailer – SendGrid free?
Which plugin has better support — WP Mail SMTP by WPForms – The Most… or Big Mailer – SendGrid?
Which plugin is updated more frequently?
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.