WPIntell

Market

mailerlite

Mailerlite matters only if the evidence supports a paid workflow around protecting form submissions and lead routing, not a list of isolated fixes. The current commercial thesis is: Businesses lose leads when forms, spam controls, email delivery, or CRM handoffs fail. The entry wedge is to verify lead capture end to end and show where submissions, notifications, or integrations break.

Proof Health

Open evidence

Commercial opportunities need traceable source links before they are treated as build-worthy.

67 / 92 rows with source links

72.8% of this page's analysis has direct source links.

0 build-decision rows missing links

0 rows here require auditable proof before promotion.

25 rows with no attached evidence

0 rows have source counts but still need direct links.

Opportunity Summary

Full report

Build a lead capture reliability plugin for marketing teams, agencies, and lead-generation site owners: Businesses lose leads when forms, spam controls, email delivery, or CRM handoffs fail. The first wedge is to verify lead capture end to end and show where submissions, notifications, or integrations break.

The unmet need is not the individual complaint. It is the recurring business workflow: Businesses lose leads when forms, spam controls, email delivery, or CRM handoffs fail. Current stage: commercial plugin opportunity.

Competitors

6 shown
Contact Form 7 Connector 5.0K installs · 4.3
praise owner
-100.0%momentum 65.8weakness 9/14pain/praise

Pain still appears around support, bugs despite praise for quality, reliable.

Fast MailerLite 400 installs · 0.0
watchlist
-100.0%momentum 33.5weakness 0/0pain/praise

Weakness evidence: stale update history.

complaint Hide/disable browser tooltip

Hide/disable browser tooltip: users show security, bugs, pricing pain that may indicate a product gap.

Optin Forms – Simple List Building Plugin for WordPress · Hide/disable browser tooltip Hi support, Thanks for a good plugin!
complaint Customization Options Have Disappeared

Customization Options Have Disappeared: users show bugs, compatibility, performance pain that may indicate a product gap.

Optin Forms – Simple List Building Plugin for WordPress · Customization Options Have Disappeared When I originally installed the plugin, worked fine.
complaint Be very careful if you are selling in the EU

Be very careful if you are selling in the EU: users show bugs, missing feature, support pain that may indicate a product gap.

MailerLite – WooCommerce integration · Be very careful if you are selling in the EU Be very careful when setting up this plugin and DO NOT just go with the default settings.
complaint from classic to new version disaster

from classic to new version disaster: users show compatibility, missing feature, pricing pain that may indicate a product gap.

MailerLite – WooCommerce integration · from classic to new version disaster We have used mailerlite classic and it has done its job more or less for some time and then we migrated to new mailerlite not long ago.
mixed Does not work with One-page checkout

Does not work with One-page checkout: users show bugs, compatibility, support pain that may indicate a product gap.

MailerLite – WooCommerce integration · Does not work with One-page checkout The plugin seems to work well and smoothly with WooCommerce.
complaint My website crashed

My website crashed: users show bugs, compatibility, missing feature pain that may indicate a product gap.

MailerLite – WooCommerce integration · My website crashed After installing, my website crashed.
complaint “The request is failed.” MailerLite API only in version 1.2.4

“The request is failed.” MailerLite API only in version 1.2.4: users show bugs, compatibility, support pain that may indicate a product gap.

Contact Form 7 Connector · “The request is failed.” MailerLite API only in version 1.2.4 Hi there, I encountered the “The request is failed” error while checking my API Key.
complaint Stop Opt-In Form Notifications EVERYTIME I Post a Message

Stop Opt-In Form Notifications EVERYTIME I Post a Message: users show security, support, setup pain that may indicate a product gap.

Optin Forms – Simple List Building Plugin for WordPress · Stop Opt-In Form Notifications EVERYTIME I Post a Message I installed the “Optin Forms” plugin using “MailChimp.” I thought my site visitors would only receive a notification from me when I send out an email.
complaint Update broke functionality (still broken).

Update broke functionality (still broken).: users show bugs, missing feature, support pain that may indicate a product gap.

MailerLite – Signup forms (official) · Update broke functionality (still broken).
mixed 500 internal server error

500 internal server error: users show bugs, compatibility, performance pain that may indicate a product gap.

Contact Form 7 Connector · 500 internal server error Hello, I have a website since many years.
mixed Error 500 after submitting form | can’t save plugin options

Error 500 after submitting form | can’t save plugin options: users show bugs, compatibility, missing feature pain that may indicate a product gap.

Contact Form 7 Connector · Error 500 after submitting form | can’t save plugin options I’ve got error 500 in console after subbmiting form Now I realised that I can’t save any option on plugin page even set API key.
mixed Add to group in MailerLite doesn’t work

Add to group in MailerLite doesn’t work: users show security, bugs, compatibility pain that may indicate a product gap.

Contact Form 7 Connector · Add to group in MailerLite doesn’t work The integration of Mailerlite works well, only the subscribers are not being added to the selected group.
mixed It doesn’t work…

It doesn’t work…: users show security, compatibility, pricing pain that may indicate a product gap.

Contact Form 7 Connector · It doesn’t work… Hi, I’m sorry, your plugin looks well done, is intuitive, very easy to use and it would be very useful, but it doesn’t save properly the Mailerlite group and the confirm field checkbox.
mixed Connection fails while enabled WooCommerce-Mailelite plugin

Connection fails while enabled WooCommerce-Mailelite plugin: users show bugs, compatibility, support pain that may indicate a product gap.

Contact Form 7 Connector · Connection fails while enabled WooCommerce-Mailelite plugin Hello, I want my users to have 2 ways of signing in – through contact form 7 and by checkout form.
complaint Crashed WP Site and NO SUPPORT

Crashed WP Site and NO SUPPORT: users show bugs, support, setup pain that may indicate a product gap.

MailerLite – WooCommerce integration · Crashed WP Site and NO SUPPORT It crashed my site after working for a few months.
mixed Embedded forms not displaying when VPN active

Embedded forms not displaying when VPN active: users show security, bugs, compatibility pain that may indicate a product gap.

MailerLite – Signup forms (official) · Embedded forms not displaying when VPN active Hi MailerLite support.
mixed Name field is not saving

Name field is not saving: users show bugs, compatibility, support pain that may indicate a product gap.

Optin Forms – Simple List Building Plugin for WordPress · Name field is not saving Hello Support.
complaint Plugin causes checkout page to not load

MailerLite's WooCommerce integration prevented customers from using checkout because its frontend JavaScript got stuck in a recursion loop.

MailerLite – WooCommerce integration · customers cannot use the checkout page
question Captcha

Captcha: users show security, missing feature, support pain that may indicate a product gap.

MailerLite – Signup forms (official) · Captcha Hi, I use this plugin and create my own forms.
mixed Critical Error

Critical Error: users show bugs, compatibility, support pain that may indicate a product gap.

MailerLite – Signup forms (official) · Critical Error Hello, I have a problem with this plugin, when I try to open or create new form.
complaint No longer using it

Form editing, list syncing, and subscriber capture failed, causing the user to delete the plugin and switch to another solution.

MailerLite – Signup forms (official) · After fruitless two hours, I’ve deleted the plugin, will use someting else
complaint Default form fields do not map to mailerlite fields

MailerLite signup form default fields mapped subscriber names into a random custom field, with no way to change the mapping.

MailerLite – Signup forms (official) · the data added to the Name field goes to a random custom field
complaint Unreliable both as a platform and as a plugin

MailerLite forms show subscription success while users are not added to lists, with poor error feedback after repeated tests.

MailerLite – Signup forms (official) · forms display a success message, but users are NOT added to any list
complaint Won’t recommend

Won’t recommend: users show pricing, support pain that may indicate a product gap.

MailerLite – WooCommerce integration · Won’t recommend Spontaneous disconnection many times.
complaint No support for block based checkout

No support for block based checkout: users show bugs, support pain that may indicate a product gap.

MailerLite – Signup forms (official) · No support for block based checkout The plugin does not work correctly with the new block based checkout.
complaint Broken to the core, Doesn’t work

Broken to the core, Doesn’t work: users show bugs, missing feature pain that may indicate a product gap.

MailerLite – Signup forms (official) · Broken to the core, Doesn’t work Says there are no embed forms created which is complete nonsense, because I created 3 of them.
complaint Website broken

A MailerLite update broke WooCommerce order creation and updating, causing errors and duplicate entries, so the user stopped using it.

MailerLite – WooCommerce integration · broke core features within WooCommerce (i.e. updating orders, creating orders) resulting in errors or duplicate entries
complaint Plugin causes checkout page to not load

MailerLite's WooCommerce integration blocked checkout, and support moved the user to a private channel for sensitive troubleshooting.

MailerLite – WooCommerce integration · Once the plugin is disabled, everything works as intended.
complaint Poor Experience and No Support

MailerLite repeatedly rejected the user's account without clear guidance or useful support, causing them to delete the account and switch providers.

MailerLite – WooCommerce integration · I ultimately had to delete my account and move to another service provider
complaint WooCommerce → MailerLite sync not working after purchase

After purchases, customers are no longer added to MailerLite lists despite the store connection still appearing active.

MailerLite – WooCommerce integration · After purchasing a product, customers are not being added to my MailerLite list.
complaint MailerLite plugin conflict with WPML – product translation issue

MailerLite conflicted with WPML so WooCommerce product translations failed or became unlinked drafts until the plugin was deactivated.

MailerLite – WooCommerce integration · When I deactivate the MailerLite plugin, everything works correctly
complaint Ari_Cf7_Connector make wp-admin crash

A null value in the Contact Form 7 Connector admin menu flow appears to intermittently crash wp-admin and the Customizer.

Contact Form 7 Connector · intermittent WordPress admin/customizer crash on a live site
complaint Forms not loading on v1.7.25

MailerLite signup forms still fail to render in version 1.7.25 because the Universal JavaScript snippet is not inserted, and the user cannot roll back.

MailerLite – Signup forms (official) · nothing gets rendered on the actual web page because the MailerLite Universal javascript snippet is not being inserted
complaint PHP Fatal Errror: Allowed memory size of xxx

Woo MailerLite autoloaded a 34 MB options record, causing out-of-memory errors and forcing the user to disable the plugin until a fix shipped.

MailerLite – WooCommerce integration · The woo_mailerlite_options option is approximately 34Mb large, which is causing out of memory issues
complaint Forms not rendering on frontend v1.7.23

After updating MailerLite to 1.7.23, all embedded forms disappear on the frontend until the user rolls back to 1.7.22.

MailerLite – Signup forms (official) · After updating the MailerLite plugin to version 1.7.23, all embedded forms stopped appearing on the frontend.
complaint Optin Forms plugin <= 1.3.1 – Cross Site Scripting (XSS) vulnerability

Optin Forms plugin <= 1.3.1 – Cross Site Scripting (XSS) vulnerability: users show security pain that may indicate a product gap.

Optin Forms – Simple List Building Plugin for WordPress · Optin Forms plugin <= 1.3.1 – Cross Site Scripting (XSS) vulnerability Hi, it seems that the latest version 1.3.1 is vulnerable: https://www.cve.org/CVERecord?id=CVE-2023-29434 Are you working on a fix?
complaint Awful plugin

Awful plugin: users show bugs pain that may indicate a product gap.

MailerLite – WooCommerce integration · Awful plugin <!– wp:paragraph –> <p class=””>Breaks every time the plugin updates, disconnects from mailerlite after updating plugin.
complaint Disconnected spontaneously on two sites!

Disconnected spontaneously on two sites!: users show bugs pain that may indicate a product gap.

MailerLite – WooCommerce integration · Greatly let me down.
complaint Broken – saving a new form doesn’t work

Broken – saving a new form doesn’t work: users show bugs pain that may indicate a product gap.

MailerLite – Signup forms (official) · Broken – saving a new form doesn’t work The API connection works, you can use a form you created on mailerlite.com through the plugin and get a shortcode.
complaint XSS Vulnerability <= 1.7.16

Wordfence reports a MailerLite vulnerability patched in 1.7.17, but WordPress.org only shows 1.7.14 available, leaving users unable to update.

MailerLite – Signup forms (official) · Where can we get v1.7.17, which Wordfence is saying contains a patch?