Learn. Grow. Succeed.
Product guides, articles, and calculators to help you run your business with Chargezen.
Featured Resource
Chargezen Product Documentation
Find setup guides, feature walkthroughs, and API references for CheckoutOS and Spark!.
Product Guides
Step-by-step documentation for CheckoutOS and Spark!.
CheckoutOS
CheckoutOS Quick Start Guide
Get started with CheckoutOS and configure your first checkout experience.
View resourceSpark!
Spark! Quick Start Guide
Set up Spark! and get started with your affiliate program.
View resourceCheckoutOS
Creating Your First Upsell
Follow the CheckoutOS guide to configure an upsell offer.
View resourceSpark!
Affiliate Program Setup
Configure an affiliate program in Spark!.
View resourceProduct Overviews
Explore the products that work together in Chargezen.
Articles
Read about subscription models, customer retention, and business metrics.
Subscriptions
Subscription Guides by Stage
Every Subscriptions guide, doc and calculator, grouped by launching, growing, keeping subscribers and recovering payments.
View resourceSubscriptions
Build-a-Box Subscription Businesses
Explore custom subscription boxes and how customers choose their products.
View resourceAnalytics
Measuring Membership Program Performance
Learn about recurring revenue, member growth, and other membership metrics.
View resourceRetention
Failed Payments and Customer Retention
Learn how payment reminders and recovery processes relate to customer retention.
View resourceCalculators & Tools
Explore business metrics using your own inputs and assumptions.
Calculator
Churn Rate Calculator
Calculate customer churn and explore its effect over time.
View resourceCalculator
Customer Lifetime Value Calculator
Estimate customer value using the numbers from your business.
View resourceCalculator
SMS ROI Calculator
Explore campaign costs and estimated returns using your assumptions.
View resourceCalculator
Commission Calculator
Compare affiliate commissions across revenue and rate scenarios.
View resourceKeep Learning
Read more about subscription businesses, customer retention, and marketing on the Chargezen blog.
