Adding A Newsletter Sign Up App on a Squarespace Website

Steps on adding newsletter sign up to Squarespace in minutes with no coding and no help from 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

    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

Establishing Brand Identity 101 - Your Website

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


But next comes the hard part: 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 think only a 'techie' in the office or a self-proclaimed 'expert' on Facebook can develop a newsletter sign up without a hitch.


Others look for low-cost alternative newsletter sign up apps from overseas or open source newsletter sign up apps that claim to have what they're looking for.

Save Time With POWR

Also, customizing and updating a newsletter sign up app calls for even more time, and is likely to cause new bugs.


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

Add newsletter sign up 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
POWR provides 24/7 customer support and a dedicated Help Center, so someone is always there to answer all your questions!

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 perfectly.

CASE STUDY: Rbia Shades wins big with POWR

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 newsletter sign up to Squarespace
newsletter sign up to Squarespace
Contacts growth 250%
newsletter sign up to Squarespace
Engagement up 2x
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.