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:
Create a Free Countdown Cart App
Start for free nowEdit Appearance
Go to your Account Settings and click Edit Appearance. Then click Edit Theme.Edit HTML
Click on the Edit HTML link underneath Custom Theme.Paste Script
Paste the POWR script into the HTML file between the Head tags. Then click Update, and save.New Text Post
Back inside the Tumblr dashboard, embed a new Text Element.Paste Shortcode
Paste this shortcode into the post and save. If you expand the post, you will see your new POWR Countdown Cart.Click the POWR Settings Icon to open the POWR Editor.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.
Undecided if our Countdown Cart app will suit your needs? We have all the details you need.
See the detailsRemove the Guesswork of Building Your Brand
Establishing Brand Identity 101 - Your Website
Congratulations on starting to develop your online business online -- by getting your Tumblr website live on the web!
Here comes the next big question: How do you get site visitors to engage and buy your product or service?


Now You Have To Make Your Elements Unique
Some may first take a stab at to DIY a Countdown Cart app or 'knows a guy' that can build one in 'no time'.
Others attempt to find open source Countdown Cart apps, or foreign companies that allegedly offer Countdown Cart apps for a bargain.
POWR Saves You Valuable Time
Plus, updating and customizing a Countdown Cart app can be difficult, and you may think you have to hire a developer.
Additionally, as your business expands, hackers could see an unsecured Countdown Cart as a great opportunity to exploit your business and your customers. We consider this and built safeguards!


All POWR apps are built to scale with your business on Tumblr, so we offer the most advanced security features and high-volume capabilities on the market to keep your customers (and you) safe.

POWR's team of engineers are working around the clock to keep Tumblr Countdown Cart and all 60+ other POWR apps working smoothly.
CASE STUDY: Rbia Shades wins big with POWR
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.

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)
Frequently Asked Questions
Learn more about how to add POWR apps to your website.
Yes, any POWR app will work perfectly on any website. What’s better, is the patented POWR Live Editor is the same regardless of the app.
- Easily add more than one (for free)
- Edit to your needs directly from your live site
- Changes are made instantly
Absolutely! The POWR Countdown Cart widget is optimized for mobile, ensuring that it looks great and functions smoothly across all devices, including phones and tablets.
This optimization enhances user experience, contributing to higher engagement rates on your Tumblr site.
POWR Countdown Cart allows you to edit every detail such as fonts, colors, borders, and spacing directly from the editor, ensuring your Countdown Cart perfectly match your brand's identity.
This flexibility makes it easy to integrate and align with your site's look and feel.
Adding Countdown Cart to your Tumblr site is fully outlined above and straightforward with no coding required.
Simply follow POWR's setup guide, which is as easy as copy/pasting the provided code snippet into your site's HTML.
This ease of installation makes it convenient for Tumblr site owners to implement Countdown Cart and gather feedback from their audience.
Using POWR Countdown Cart on your Tumblr site offers numerous benefits, including enhanced customization options and easy installation without coding.
These features help improve your site's user engagement by allowing visitors to provide valuable feedback, leading to better online growth.


