Yes, Instantio is free to use. It is available as a free plugin on WordPress.org.

How many websites use Instantio?

Instantio has 900 active installations as tracked by WordPress.org.

What are the best Instantio alternatives?

Popular alternatives to Instantio include Sliding Cart for WooCommerce by…, Mobile Contact Bar, Cart Popup for WooCommerce. You can compare them side-by-side on our comparison pages.

Does Instantio work with the latest WordPress?

Instantio has been tested up to WordPress 6.9.4. It requires WordPress 4.0+ and PHP 7.4+.

Instantio — Side Cart & One-Page Checkout for WooCommerce — Reviews, Rating & Alternatives (2026)

Name: Instantio — Side Cart & One-Page Checkout for WooCommerce
Rating: 4.5 (16 reviews)
Author: Themefic

As of April 2026, Instantio is a WordPress woocommerce cart plugin with 900 active installations and a 4.5/5 rating from 16 reviews. It has been downloaded 67K+ times in total. Requires WordPress 4.0+ and PHP 7.4+. Available on WordPress.org since 2021. Actively maintained — updated within the last month. Top alternative: Sliding Cart for WooCommerce by….

4.5/516 reviews

900active installs

67K+total downloads

5 yearssince 2021

Overview

Instantio adds side cart, popup cart, floating button, and one-page checkout layouts to WooCommerce for a faster, more convenient shopping and checkout experience.

Instantio for WooCommerce — Side Cart, Popup Cart, and One-Page Checkout in One Plugin

👉 Our Official Website: Click Here
👉 Live Demo Link: See the Checkout systems below
👉 Explore Backend: Play with Backend Options
👉 Unlock all features: Click Here
👉 Video Guide on Youtube
👉 Our Documentation
👉 Get Support: Click Here
👉 Join Our Facebook Group

**Instantio has 8 Different WooCommerce Single Page Checkout systems: **

👉 Popup Cart
👉 Side Cart
👉 Floating / Direct Checkout Button
👉 Side Checkout – Multi Step (Pro)
👉 Side Checkout – Single Step (Pro)
👉 Popup Checkout – Multi Step (Pro)
👉 Popup Checko…

Read full description on WordPress.org