10 Best MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder Alternatives in 2026
Updated September 7, 2026 · Ranked by how closely each plugin matches, from WordPress.org data · How this works
MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder has 2,000+ active installs on WordPress.org. These 10 plugins share its category or its tags on WordPress.org, are actively maintained, and each has at least 100 active installs. They are ordered by how closely they match, not by our opinion.
The 10 closest alternatives to MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder
- 1
Website Pop-up Builder by BDOW!
Closest matchWebsite Pop-up Builder by BDOW! (formerly Sumo): Pop-ups + forms for email opt-ins and lead generation
4.2 (519) 10,000+ active installsSumo is trusted by over 600,000 businesses — small and large — in growing their email lists, customer base, and revenue online.
Shares the email, marketing tags on WordPress.org. About 5 times the installs, rated 4.2 against 4.0, no update since June 5, 2025.
- 2
HollerBox — Fast & Effective Popups & Lead-Generation
4.8 (32) 2,000+ active installsGet more leads and sales with effective popups that convert! Integrate HollerBox with your favorite CRM and email marketing tools.
Shares the email, marketing tags on WordPress.org. A similar number of installs, last updated July 27, 2026.
- 3
Contact Form & SMTP Plugin for WordPress by PirateForms
4.7 (223) 30,000+ active installsA simple and effective WordPress contact form & SMTP plugin. Compatible with best themes out there, is both a secure and responsive contact form p …
Shares the contact form, subscribe form tags on WordPress.org. About 15 times the installs, rated 4.7 against 4.0, no update since January 20, 2025.
- 4
4.9 (318) 20,000+ active installsAutomatically generate, email and download PDF documents from Gravity Forms entries
Shares the contact form, email tags on WordPress.org. About 10 times the installs, rated 4.9 against 4.0, no update since July 23, 2025.
- 5
4.3 (102) 8,000+ active installsContact form with visual form builder. Contact form that sends the data to email, to a database list and to CSV / Excel files.
Shares the contact form, email tags on WordPress.org. About 4 times the installs, rated 4.3 against 4.0, last updated 21 days ago.
- 6
4.8 (50) 7,000+ active installsWith this lightweight plugin you can create a contact form.
Shares the contact form, email tags on WordPress.org. About 3.5 times the installs, rated 4.8 against 4.0, last updated 23 days ago.
- 7
4.7 (39) 4,000+ active installsGenerate PDF using Contact Form 7 Plugin makes it simple to create PDFs for downloads, viewing, or sending as attachments after form submissions.
Shares the contact form, email tags on WordPress.org. About 2 times the installs, last updated June 19, 2026.
- 8
Email Template Designer – WP HTML Mail
4.8 (87) 20,000+ active installsAll in one email template designer for WooCommerce, Ninja Forms, Elementor Forms, Gravity Forms, CF7, Support Plus, EDD, ...
Shares the email tag on WordPress.org. About 10 times the installs, rated 4.8 against 4.0, no update since March 4, 2025.
- 9
Email Templates Customizer and Designer for WordPress and WooCommerce
4.6 (133) 20,000+ active installsDesign and send custom emails with Email Templates plugin for WordPress and WooCommerce
Shares the email tag on WordPress.org. About 10 times the installs, rated 4.6 against 4.0, last updated June 18, 2026.
- 10
Mailonix – Email Template Customizer for WooCommerce
4.6 (105) 20,000+ active installsMake your WooCommerce emails become professional.
Shares the email tag on WordPress.org. About 10 times the installs, rated 4.6 against 4.0, last updated 16 days ago.
Switching from MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder: common questions
What is the best alternative to MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder?
Website Pop-up Builder by BDOW! is the closest match: it shares the same WordPress.org tags and has 10,000+ active installs with a 4.2 out of 5 rating.
Which MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder alternative has the most users?
PirateForms, with 30,000+ active installs reported by WordPress.org.
Which MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder alternative is rated highest?
Gravity PDF, rated 4.9 out of 5 by 318 reviewers. Only plugins with at least 50 reviews are counted.
Are these MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder alternatives free?
Every plugin listed here is free to install from WordPress.org. Where WordPress.org marks a plugin as commercial, the developer also sells a paid version or add-ons, and that is shown on each plugin.
How are alternatives chosen?
Automatically, from WordPress.org data: plugins that share a category top 10 with MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder score highest, then plugins that appear in the same WordPress.org rankings, then plugins with the same tags, weighted so rare tags count more than common ones. Plugins by the same author and plugins rated under 4.0 are left out.
How we choose these alternatives
Nothing on this page is picked by hand. Every day we walk the whole WordPress.org directory, then score every plugin against MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder on three signals: sharing a category top 10 counts most, then appearing in the same WordPress.org rankings, then carrying the same tags, with rare tags counting for more than common ones like "wordpress". Plugins by the same author are excluded, so an author's own add-ons cannot fill the list, and so is anything rated below 4.0 or with fewer than 100 active installs. The ten highest scores are what you see, in that order. Full methodology.
The bottom line
Website Pop-up Builder by BDOW! is the closest match to MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder by the data we track, and PirateForms has the widest reach with 30,000+ active installs. Email Template Customizer for WooCommerce shipped the most recent release, on August 22, 2026. The list is rebuilt every day from WordPress.org, so a plugin that stops being maintained drops out on its own.
Weekly · free
What moved this week
One email a week, built from the same daily snapshots these rankings come from: the plugins that climbed, what launched, and one ranking worth a look.