SaaS Billing Models Explained: Flat-Rate, Per-User, Tiered and Usage-Based Pricing

SaaS billing models define how software companies charge customers for access, features and usage. The right model connects price to customer value while keeping bills understandable and revenue reasonably predictable. Choosing between flat-rate, per-user, tiered, usage-based, freemium, credit-based and hybrid billing affects more than pricing.