Revenue per user (RPU) tells you how effectively a company monetizes its user base. The formula is simple:
- RPU = Total revenue ÷ Total users
If a startup generates $200,000 in monthly revenue from 10,000 users, its monthly RPU is $20.
RPU vs ARPU vs ARPA
The terms are often used interchangeably, but there are useful distinctions:
- RPU (revenue per user) — revenue divided by all users, over any period
- ARPU (average revenue per user) — the same idea, conventionally measured monthly; the standard metric in telecom, consumer apps, and social platforms
- ARPA (average revenue per account) — revenue divided by accounts rather than individual users; the standard for B2B SaaS where one account has many seats
Why RPU matters to investors
RPU converts vanity user counts into economic reality. Two startups with a million users are wildly different businesses if one earns $0.30 per user and the other earns $30. Investors track RPU to judge:
- Monetization efficiency — is the company extracting value proportional to usage?
- Pricing power — rising RPU over time signals successful upsells and price increases
- Unit economics — RPU feeds directly into LTV; if RPU is below customer acquisition cost per user, growth destroys money
Benchmarks (2026)
- Consumer social apps: roughly $5–40 per user per year, driven by advertising
- Freemium consumer SaaS: $1–10 monthly RPU across the whole user base, since most users pay nothing
- B2B SaaS: ARPA typically runs $50–500+ per account per month depending on segment
How to improve RPU
Common levers include tiered pricing, usage-based billing, converting free users with paywalled power features, and expansion revenue (upsells and cross-sells) into the existing base.