Canonical URL: https://chargezen.com/docs/checkoutos/getting-started/introduction

# Introduction to CheckoutOS

Learn what CheckoutOS is and how it can boost your Average Order Value

Last updated: 2025-01-16

**CheckoutOS** is Chargezen's comprehensive checkout optimization suite designed to help e-commerce brands maximize every transaction. By combining intelligent post-purchase upselling, native checkout extensions, and AI-powered recommendations, CheckoutOS helps you increase Average Order Value (AOV) without disrupting the customer experience.

##### Monthly Pricing

CheckoutOS is available for **$99/month**. No setup fee, no transaction fees, and no revenue share. Teams that need multiple Chargezen products can move to Self-Serve.

## What CheckoutOS Does

CheckoutOS optimizes the most critical moment in the customer journey—checkout. Instead of relying on scattered point solutions, CheckoutOS provides a unified platform for:

*   **Post-Purchase Upsells** — Present relevant offers after checkout completion with one-tap acceptance
*   **Checkout Extensions** — Add trust badges, shipping progress bars, and custom fields natively
*   **Dynamic Bundles** — Create personalized bundle offers based on cart contents
*   **Smart Recommendations** — AI-powered product suggestions at the right moment
*   **Subscription Upsells** — Convert one-time buyers to subscribers at checkout
*   **A/B Testing** — Test and optimize every element of your checkout experience

## Why CheckoutOS

Most checkout optimization tools charge monthly fees plus transaction percentages, costing brands thousands of dollars per year. CheckoutOS takes a different approach:

[

### Predictable Pricing

$99/month. No setup fee and no transaction fees eating into your margins.

Learn more



](https://chargezen.com/docs/checkoutos/getting-started/quick-start)[

### Native Integration

Built for Shopify's native checkout, not third-party workarounds.

Learn more



](https://chargezen.com/docs/checkoutos/getting-started/installation)[

### Unified Platform

Part of Chargezen's RevOps suite—one platform for all revenue operations.

Learn more



](https://chargezen.com/docs/checkoutos/one-click-upsells/overview)

## What You Can Achieve

Brands using CheckoutOS typically see significant improvements in key metrics:

#### Typical Results

*   15-25% increase in Average Order Value
*   10-20% upsell acceptance rate on post-purchase offers
*   5-10% conversion lift from checkout extensions
*   ROI positive within 2-4 weeks of launch

## Who Is CheckoutOS For?

CheckoutOS is designed for:

*   **DTC Brands** — Looking to maximize revenue per transaction
*   **Subscription Businesses** — Wanting to convert more one-time buyers to subscribers
*   **Growing Stores** — Needing enterprise-level checkout optimization without enterprise costs
*   **Shopify Plus Merchants** — Taking full advantage of checkout extensibility

##### Shopify Compatibility

CheckoutOS works with all Shopify plans, but some features like checkout extensions require Shopify Plus or the Checkout Extensibility beta. [Check requirements →](https://chargezen.com/docs/checkoutos/getting-started/requirements)

## Next Steps

[

### Quick Start Guide

Get CheckoutOS running on your store in under 30 minutes

Learn more



](https://chargezen.com/docs/checkoutos/getting-started/quick-start)[

### System Requirements

Check compatibility and prerequisites for your store

Learn more



](https://chargezen.com/docs/checkoutos/getting-started/requirements)

### Related Articles

[

#### Quick Start Guide

Get CheckoutOS running on your store in minutes



](https://chargezen.com/docs/checkoutos/getting-started/quick-start)[

#### System Requirements

Check compatibility and prerequisites



](https://chargezen.com/docs/checkoutos/getting-started/requirements)[

#### One-Click Upsells Overview

Learn about post-purchase upselling



](https://chargezen.com/docs/checkoutos/one-click-upsells/overview)

Was this page helpful?

Need more help? [Contact support](https://chargezen.com/docs/checkoutos/troubleshooting/support)