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

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  2. Embed POWR newsletter sign up to your Squarespace

    4. In the block window, click on the EDIT and choose EMBED AS Link.
    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.

Undecided if our newsletter sign up app will suit your needs? We have all the details you need.

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Remove the Guesswork of Building Your Brand

Brand Identity Begins With a Great Website

You've already invested time and resources in creating your business online just by having a Squarespace website.


Your work isn't done yet, though! Now it's time to attract and engage visitors, then turn them into customers.

newsletter sign up to Squarespace
Add newsletter sign up to Squarespace

Then You Must Customize Your Elements

Some may first try to DIY a newsletter sign up app or 'knows a guy' that can build one in 'no time'.


Others attempt to find open source newsletter sign up apps, or companies abroad that allegedly offer newsletter sign up apps at rock-bottom prices.

POWR Saves You Valuable Time

And it takes lots of time to customize and update a newsletter sign up app, which will result in more complications.


But, if you haven't built a strong security system, your site could be prone to hacking and other security issues. We thought of that!

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.

POWR's team of engineers are working around the clock to keep Squarespace newsletter sign up and all 60+ other POWR apps working smoothly.

CASE STUDY: Rbia Shades wins big with POWR

Rbia Shades needed to expand beyond its region by bringing its products online. They needed a low-maintenance, non-techie solution.


After much research, they chose POWR as their no-code tool of choice.

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

All POWR apps are built for peak-performance.

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.