Install A Newsletter Sign Up App on Squarespace

Learn the steps to add newsletter sign up to your Squarespace website in minutes with no coding or a developer.

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Steps to Add a newsletter sign up App on a Squarespace Site

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

How To Add a newsletter sign up App on Squarespace:

  1. Create a Free newsletter sign up App

    Start for free now
  2. Embed POWR newsletter sign up to your Squarespace

    2. If you do not have any sections, then first add a section.
    5. Copy and paste the Share App link ⬅. Adjust the embedded app, and click SAVE in the upper left corner.
  3. Edit POWR newsletter sign up 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 newsletter sign up app?

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Remove the Guesswork of Building Your Brand

A Solid Brand Identity Starts on Your Website

Congratulations on publicizing your business online with Squarespace!


The next step is often getting website visitors and making sales, but how?

newsletter sign up to Squarespace
Add newsletter sign up to Squarespace

Then You Must Customize Your Elements

People often ask a 'techie' friend to design a newsletter sign up for them or hire a 'web guy' that one of their friends referred.


Others look overseas or for low priced open source alternatives for newsletter sign up.

POWR Saves You Valuable Time

Plus, updating and customizing a newsletter sign up app can be challenging, and you may think you have to hire a developer.


Additionally, as your business increases, hackers could see an unsecured newsletter sign up as a great opportunity to exploit your business and your customers. We consider this and built safeguards!

Add newsletter sign up to Squarespace
Support feature

POWR supports high-volume sites on Squarespace and prioritizes the security of our newsletter sign up app, as well as all 60+ apps, to keep any bad actors at bay.

security feature
All common questions are answered by searching POWR's robust Help Center or by reaching out to our customer support team, which is available 24/7.

Our newsletter sign up comes with a team of expert engineers that work constantly for you, making sure your newsletter sign up is always working smoothly.

CASE STUDY: Rbia Shades is winning with POWR apps

After much success locally, Rbia needed a way to collect emails effectively on their brand-new website.


Their website provider did not have what they were looking for, so the search was on. After doing their research, they believed POWR was what they needed.

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 newsletter sign up to Squarespace
newsletter sign up to Squarespace
250% contacts growth
newsletter sign up to Squarespace
2x engagement improvement
newsletter sign up to Squarespace
2x site session time

Yes, POWR has an app for that.

See apps in action

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.