Steps to Add a Subscription Form App on a Tumblr Site
Create your customized Subscription Form app, match your website's style and colors, and add Subscription Form to your Tumblr page, post, sidebar, footer, or wherever you like on your site.
How To Add a Subscription Form App on Tumblr:
Create a Free Subscription Form App
Start for free nowEdit Theme
In the Tumblr Editor, open your Account Settings and select Edit Appearance. On the next page, select Edit Theme.Edit HTML
Click on the Edit HTML link underneath Custom Theme.Paste Script
Paste this exact script into your Tumblr HTML file. It's best to add it between the Head tags. Then click Update, and save.Create Text Post
Return to your Tumblr Admin page, and create a new Text post.Copy and Paste Shortcode
Paste the POWR shortcode into the text post, then save If you expand the post, you will see your new POWR Subscription Form.Click the POWR Settings Icon to open the POWR Editor.Edit your Subscription Form on Tumblr:
Go to the live Tumblr website and click the Settings Icon in the upper right corner of the Subscription Form plugin.
All you need to know about our Subscription Form app is just a click away.
See the detailsRemove the Guesswork of Building Your Brand
Begin Building Brand Identity From Your Website
If you have your Tumblr website published, you’ve tackled 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?


Website Element Customization is Next
Some small business owners try to design a Subscription Form app solo or get an expensive web designer that promises they can build one.
Others try to find web design companies overseas that appear to offer Subscription Form apps for reduced prices or attempt to use open source code.
Get Back More Time With POWR
Also, customizing and updating a Subscription Form app calls for even more time, and is likely to cause new bugs.
As your company continues to expand, you're likely to face security issues, as hackers may attempt to manipulate vulnerabilities in the Subscription Form app. POWR has you covered!


POWR supports high-volume sites on Tumblr and prioritizes the security of our Subscription Form app, as well as all 60+ apps, to keep any bad actors at bay.

Our Subscription Form comes with a team of expert engineers that work constantly for you, making sure your Subscription Form is always working perfectly.
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.
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.

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)
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 Subscription Form 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 Subscription Form allows you to edit every detail such as fonts, colors, borders, and spacing directly from the editor, ensuring your Subscription Form perfectly match your brand's identity.
This flexibility makes it easy to integrate and align with your site's look and feel.
Adding Subscription Form 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 Subscription Form and gather feedback from their audience.
Using POWR Subscription Form 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.