Embed A Newsletter Sign Up App to a Squarespace Website

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

    5. Copy and paste the Share App link ⬅. Adjust the embedded app, and click SAVE in the upper left corner.
    1. Navigate to the Squarespace editor by clicking on the EDIT located in the upper left corner.
  3. 1. Click on the blue Edit app icon seen above the app.
    2. All edits in the opened POWR Editor will be automatically applied.

Not sure if our newsletter sign up app is right for you? Find out more about its features and integrations.

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Remove the Guesswork of Building Your Brand

Brand Identity Begins With a Great Website

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


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

newsletter sign up to Squarespace
Add newsletter sign up to Squarespace

Website Element Customization is Next

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 claim to offer newsletter sign up apps for a bargain.

Get Back More Time With POWR

Also, customizing and updating a newsletter sign up app involves even more time, and is likely to cause new issues.


As your company continues to progress, you're likely to encounter security issues, as hackers may attempt to manipulate vulnerabilities in the newsletter sign up app. POWR has you covered!

Add newsletter sign up to Squarespace
Support feature

Because POWR is built for scale, has the most advanced built-in security and high-volume capabilities of any other newsletter sign up app on the market, we protect you while you grow on Squarespace.

security feature
Our award-winning customer support team is available 24/7, as well as a dedicated Help Center to answer any questions.

CASE STUDY: Rbia Shades completely transformed their online experience

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
Grow contacts by 250%
newsletter sign up to Squarespace
Engagement up 2x
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.