ARR vs SaaS

ARR (Annual Recurring Revenue (advanced)) and SaaS (Software as a Service) both come up in business conversations and get confused. Here's the plain-English difference, side by side, so you can use each one with confidence.

The key difference: ARR refers to annual recurring revenue (advanced), while SaaS refers to software as a service — they describe different things even when they show up in the same sentence.

ARR — Annual Recurring Revenue (advanced)

The annualized value of all active subscription contracts. The single most important metric for SaaS valuation.

Full ARR definition →

SaaS — Software as a Service

A software licensing model where applications are accessed via subscription over the internet.

Full SaaS definition →

When to use ARR

Reach for "ARR" when the conversation is specifically about annual recurring revenue (advanced). The annualized value of all active subscription contracts. The single most important metric for SaaS valuation.

When to use SaaS

Reach for "SaaS" when the conversation is specifically about software as a service. A software licensing model where applications are accessed via subscription over the internet.

FAQs

What is the difference between ARR and SaaS?

ARR stands for Annual Recurring Revenue (advanced) — The annualized value of all active subscription contracts. The single most important metric for SaaS valuation. SaaS stands for Software as a Service — A software licensing model where applications are accessed via subscription over the internet.

Are ARR and SaaS the same thing?

No. They're often used in the same conversation because they're related, but they describe different concepts. ARR = Annual Recurring Revenue (advanced). SaaS = Software as a Service.

When should I use ARR vs SaaS?

Use ARR when you're specifically referring to annual recurring revenue (advanced). Use SaaS when the topic is software as a service.