ARPU

TL;DR

Average Revenue Per User — total recurring revenue divided by active customer or user count, a measure of monetization depth.

ARPU divides recurring revenue by the count of paying customers. It's a per-customer monetization measure that helps spot whether top-line growth is coming from more customers or from customers paying more. Rising ARPU on a flat customer count means the company is moving upmarket; flat ARPU on rising customer count means the company is moving downmarket.

For multi-product or multi-tier businesses, ARPU is most useful when broken down by tier or segment. Aggregate ARPU on a complex pricing model often hides more than it reveals.

Formula

ARPU = Total Revenue in Period ÷ Number of Active Users in Period

• Total Revenue — Total subscription revenue earned in the period
• Active Users — Average number of paying users during the same period

Worked example

A consumer SaaS earns $1.2M in March from 24,000 paying users → ARPU $50/mo. A pricing test that lifts the median plan from $39 to $59 raises ARPU to $63 with a 12% drop in paid conversion — net positive.

Common pitfalls

• Computing ARPU on a base that includes free users.
• Reporting aggregate ARPU when the price tiers behave differently.
• Tracking ARPU instead of margin per user — high ARPU with poor margin is no win.

When this shows up in a pitch deck

ARPU appears on the Business Model or Unit Economics slide for SaaS companies and on the Engagement slide for consumer apps.

Related terms

• ACV — Annual Contract Value — the recurring revenue value of a single customer contract on a per-year basis, a standard B2B SaaS deal-size metric.
• LTV — Lifetime Value — the total margin a customer is expected to generate over their entire relationship with the company.
• MRR — Monthly Recurring Revenue — the normalized monthly value of all subscriptions in force, often used by month-to-month subscription businesses.
• ARR — Annual Recurring Revenue — the value of subscription contracts on a normalized 12-month basis, the headline SaaS revenue metric.
• Freemium — A monetization model that offers a permanently free tier with limited features, monetizing a fraction of users on paid upgrades.

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