The predictable revenue a business earns each month from subscriptions. Calculated by summing all active subscription values. The key metric for SaaS businesses. Tracks growth, churn impact, and expansion revenue. Annual equivalent: ARR = MRR × 12.
A short Monday email covering payment processor updates—rate shifts, new fees, surcharge rules, and policy changes tuned for B2B SaaS Tools for SMBs merchants. Only what affects your margins.