Install A Mailing List App on Squarespace

The easy way to add Mailing List to Squarespace in minutes without coding or needing help from a developer.

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Steps to Add a Mailing List App on a Squarespace Site

Create your customized Mailing List app, match your website's style and colors, and add Mailing List to your Squarespace page, post, sidebar, footer, or wherever you like on your site.

How To Add a Mailing List App on Squarespace:

  1. Create a Free Mailing List App

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  2. Embed POWR Mailing List to your Squarespace

    3. Proceed to add a block and select embed from the list.
    5. Copy and paste the Share App link ⬅. Adjust the embedded app, and click SAVE in the upper left corner.
  3. Edit POWR Mailing List on your site

    1. Click on the blue Edit app icon seen above the app.
    2. All edits in the opened POWR Editor will be automatically applied.

Need to know more about features and integrations of our Mailing List app?

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Remove the Guesswork of Building Your Brand

Begin Building Brand Identity From Your Website

If you have your Squarespace website published, you’ve tackled the biggest challenge in building an online presence. Way to go!


But next comes a tough question: how can you entice, captivate, make, and support more visitors?

Mailing List to Squarespace
Add Mailing List to Squarespace

Then You Must Customize Your Elements

Some may think only a 'techie' in the office or a self-proclaimed 'expert' on Facebook can design a Mailing List without a hitch.


Others look for low priced alternative Mailing List apps from overseas or open source Mailing List apps that claim to have what they're looking for.

Get Back More Time With POWR

Also, customizing and updating a Mailing List app involves even more time, and is likely to cause new bugs.


As your company continues to expand, you're likely to encounter security issues, as hackers may attempt to manipulate vulnerabilities in the Mailing List app. POWR has you covered!

Add Mailing List to Squarespace
Support feature

All POWR apps are built to scale with your business on Squarespace, so we offer the most advanced security features and high-volume capabilities on the market to keep your customers (and you) safe.

security feature
Our top-notch customer support team is available to you 24/7 and a complete Help Center for answers to all common questions.

Our team of expert engineers work 24/7 to make sure the POWR apps such as your Squarespace Mailing List working for you.

CASE STUDY: Rbia Shades is winning with POWR apps

After Rbia launched its website, they were looking for a solution to add new contacts for outreach.


They found POWR while looking for a popup solution on their site and started to see immediate results.

In just a few short months of installing a POWR Popup app, Rbia earned over 600 new contacts – a 250% growth.


Next, they used a Social Feed app and quickly noticed a leap in new followers on Instagram and 200% more engagement on their site.


Last came the Media Slider. A beautiful way to show off their products and accessories to every site visitor the moment they land on their site.

Add Mailing List to Squarespace
Mailing List to Squarespace
Grow contacts by 250%
Mailing List to Squarespace
Up 2x in engagement
Mailing List to Squarespace
2x site session time

Every POWR app works on any platform.

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Trusted by the best in the biz!

POWR has helped over a half million businesses on every continent
(besides Antarctica, because of course not)

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Frequently Asked Questions

Learn more about how to add POWR apps to your website.