Adding A Mailing List App on a Sinatra for WordPress Website

Steps on adding Mailing List to Sinatra for WordPress in minutes with no coding and no help from a developer.

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Steps to Add a Mailing List App on a Sinatra for WordPress Site

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

How To Add a Mailing List App on Sinatra for WordPress:

  1. Create a Free Mailing List App

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  2. Copy Mailing List embed snippet for Sinatra for WordPress

    Your code block will be available once you create your app

  3. Add to HTML or Embed Code element in Sinatra for WordPress editor

    Paste above Mailing List snippet into any Sinatra for WordPress element that accepts HTML or an embed code. Save, view the live page, and your Mailing List will appear!

All you need to know about our Mailing List app is just a click away.

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Remove the Guesswork of Building Your Brand

A Solid Brand Identity Starts on Your Website

Congratulations on getting your business online with Sinatra for WordPress!


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

Mailing List to Sinatra for WordPress
Add Mailing List to Sinatra for WordPress

Then You Must Customize Your Elements

Some small business owners try to build a Mailing List app solo or get an expensive web designer that claims they can build one.


Others try to find web design companies overseas that claim to offer Mailing List apps for low prices or attempt to use open source code.

Get Back More Time With POWR

Also, customizing and updating a Mailing List app calls for even more time, and is likely to cause new complications.


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

Add Mailing List to Sinatra for WordPress
Support feature

POWR supports high-volume sites on Sinatra for WordPress and prioritizes the security of our Mailing List app, as well as all 60+ apps, to keep any bad actors at bay.

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

Our team of expert engineers work relentlessly to make sure the POWR apps such as your Sinatra for WordPress Mailing List running smoothly for you.

CASE STUDY: POWR put Rbia Shades on the success track

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.

Rbia started to see success with POWR Popup almost immediately, adding over 600 new contacts in the first 90 days.


They then realized that there was a complete suite of other solutions they could use to improve their online experience for site visitors.


Soon, Rbia embedded an Instagram Feed app on their website and noticed site visitors who interacted with the app doubled the time spent on their page while growing their followers to over 11k on Insta at the same time.

Add Mailing List to Sinatra for WordPress
Mailing List to Sinatra for WordPress
250% contacts growth
Mailing List to Sinatra for WordPress
Engagement up 2x
Mailing List to Sinatra for WordPress
2x time on site

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.