Does it slow down my site?

Our widgets are ultra-lightweight and loaded asynchronously, ensuring zero impact on your core page speed.

Can I create my own widgets?

Not yet, but custom widget creation is on our roadmap. For now, you can fully customize the look and feel of every existing widget.

What platforms do you support?

Nook works on any website that supports a script tag -- WordPress, Shopify, Squarespace, Webflow, Next.js, and more.

Is there a free plan?

Yes! The Hobbyist plan is completely free and includes 3 active widgets with basic customization.

Can I use Nook on client sites?

Absolutely. Our Agency plan supports unlimited sites with white-label options so you can offer Nook as part of your services.

Utility Pro

Add a ROI Calculator to Your Website

Interactive calculator with email gate. Set it up in under 60 seconds with no code required.

Try it free See demo

What is the ROI Calculator Widget?

The ROI Calculator widget by Nook is a ready-to-use interactive element that you can add to any website in seconds. Interactive calculator with email gate.

Unlike custom-coded solutions that take days to build, the ROI Calculator widget works out of the box. Just sign up, customize it to match your brand, and paste one line of code. It loads asynchronously so it never slows down your site.

Use Cases

check_circle Streamline common website tasks
check_circle Improve user experience with helpful tools
check_circle Increase conversions with smart prompts
check_circle Save development time with ready-made solutions

How to Install

Sign up for Nook

Create your free account at app.usenook.live. No credit card required.

Configure your ROI Calculator

Customize colors, text, and behavior to match your brand. Preview changes in real time.

Paste one line of code

Copy the embed snippet and paste it into your site. Works instantly on any platform.

Works with Any Platform

One embed code. Every platform.

shopping_cart Shopify

web WordPress

design_services Webflow

grid_view Squarespace

code React

terminal Next.js

Frequently Asked Questions

Is the ROI Calculator widget free? expand_more

The ROI Calculator widget is included in our Pro plan starting at $29/month. You can try it with a free trial.

Does the ROI Calculator widget work with my platform? expand_more

Yes. The ROI Calculator widget works with any website that supports a script tag, including Shopify, WordPress, Webflow, Squarespace, React, Next.js, and more. Just paste one line of code.

Will the ROI Calculator widget slow down my site? expand_more

Not at all. All Nook widgets are loaded asynchronously and are ultra-lightweight. They have zero impact on your Core Web Vitals and page load speed.