Adding A Countdown Cart App on a Tumblr Website

Steps on adding Countdown Cart to Tumblr in minutes with no coding and no help from a developer.

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Steps to Add a Countdown Cart App on a Tumblr Site

Create your customized Countdown Cart app, match your website's style and colors, and add Countdown Cart to your Tumblr page, post, sidebar, footer, or wherever you like on your site.

How To Add a Countdown Cart App on Tumblr:

  1. Create a Free Countdown Cart App

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  2. Edit Appearance

    In your Tumblr dashboard, open your Account Settings. Select Edit Appearance and click Edit Theme.
  3. Edit HTML

    Click on the Edit HTML link underneath Custom Theme.
  4. Paste Script

    Paste the POWR script into the HTML file between the Head tags. Then click Update, and save.
  5. New Text Post

    Return to your Tumblr Admin page, and create a new Text post.
  6. Paste Shortcode

    Paste the shortcode into the post. Then save. If you expand the post, you will see your new POWR Countdown Cart.Click the POWR Settings Icon to open the POWR Editor.
  7. To edit your Countdown Cart on Tumblr:

    Go to the live Tumblr website and click the Settings Icon in the upper right corner of the Countdown Cart plugin.

Not sure if our Countdown Cart app is right for you? Find out more about its features and integrations.

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Remove the Guesswork of Building Your Brand

Establishing Brand Identity 101 - Your Website

Congratulations on getting your business online with Tumblr!


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

Countdown Cart to Tumblr
Add Countdown Cart to Tumblr

Make Your Website Elements Unique

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


Others try to enlist web design companies overseas that appear to offer Countdown Cart apps for reduced prices or attempt to use open source code.

Reduce Time Spent by Half With POWR

Also, customizing these apps usually requires coding experience or another designer to help -- costing even more resources.


In a world where scammers infiltrate sites every day, many other Countdown Cart apps out there aren't built with security in mind, which could expose your customers or worse -- crash your whole site. Not with POWR!

Add Countdown Cart to Tumblr
Support feature

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

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 Tumblr Countdown Cart 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.

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 Countdown Cart to Tumblr
Countdown Cart to Tumblr
Grow contacts by 250%
Countdown Cart to Tumblr
2x engagement improvement
Countdown Cart to Tumblr
2x time on site

Yes, POWR has an app for that.

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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.