Install An Email List Signup App on Sinatra for WordPress

The easy way to add Email List Signup to Sinatra for WordPress in minutes without coding or needing help from a developer.

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Steps to Add a Email List Signup App on a Sinatra for WordPress Site

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

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

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Remove the Guesswork of Building Your Brand

Establishing Brand Identity 101 - Your Website

You've already invested time and resources in building your business online just by having a Sinatra for WordPress website.


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

Email List Signup to Sinatra for WordPress
Add Email List Signup to Sinatra for WordPress

Now You Have To Make Your Elements Unique

Some may first take a stab at to DIY an Email List Signup app or 'knows a guy' that can build one in 'no time'.


Others attempt to find open source Email List Signup apps, or foreign companies that claim to offer Email List Signup apps for a bargain.

Get Back More Time With POWR

Also, customizing and updating an Email List Signup app involves even more time, and is likely to cause new bugs.


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

Add Email List Signup to Sinatra for WordPress
Support feature

POWR has the most advanced security features, is built for scale, and currently supports high-volume sites on Sinatra for WordPress and other similar platforms.

security feature
Our top-notch customer support team is available to you 24/7 and a complete Help Center for answers to all common questions.

Our team of expert engineers work relentlessly to ensure the POWR apps such as your Sinatra for WordPress Email List Signup running smoothly for you.

CASE STUDY: POWR put Rbia Shades on the success track

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.

Shortly after signing on with POWR, Rbia’s first step was to install a popup. They increased their contacts by over 250% (over 600 real contacts).


Soon after, they added our Social Feed app and grew their social media following to over 6000.


Next, they added a Media Slider as a visual way to quickly show their products to new site visitors as they entered their homepage to show how the accessories looked in real life. It showcases their products well and gave customers a great on-site experience.


In fact, they quickly found that visitors who interacted with POWR apps on their site stayed engaged 2.5 times longer than ever before.

Add Email List Signup to Sinatra for WordPress
Email List Signup to Sinatra for WordPress
250% contacts growth
Email List Signup to Sinatra for WordPress
2x engagement improvement
Email List Signup to Sinatra for WordPress
2x time on site

POWR apps are made to grow your online revenue.

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.