The SaaS Metric That Matters

MRR (Monthly Recurring Revenue) became the North Star metric for SaaS businesses, representing predictable revenue from subscriptions. The hashtag exploded as founders shared milestone screenshots and growth charts.

Why It Dominated

Unlike one-time sales, MRR offers predictable cash flow and business valuation. SaaS investors valued companies at 10-20x ARR (Annual Recurring Revenue = MRR × 12), making MRR growth the ultimate signal of health.

Twitter Culture

Founders post monthly updates: “$5K → $10K MRR this month! 🚀” Often accompanied by charts from Stripe, Baremetrics, or ChartMogul. The transparency fueled the #BuildInPublic movement and created peer pressure to ship.

Key Milestones

• 2013: David Sacks coins “The SaaS Metrics That Matter” at SaaStr
• 2015: Jason Lemkin’s SaaStr Annual conference makes MRR gospel
• 2018: Micro-SaaS movement — solo founders hitting $10K MRR celebrated
• 2020: Baremetrics “Open Startups” shows real-time MRR dashboards publicly
• 2022: “Ramen profitable” founders (>$2K MRR) quit day jobs en masse

Criticisms

Revenue vanity without profit context. High MRR with negative margins or unsustainable CAC (customer acquisition cost) can mislead. “Growth at all costs” culture contributed to 2022-2023 tech layoffs.

Sources: SaaStr, Baremetrics Blog