SaaS Unit Economics — Playground

Turn the knobs and watch the economics move. The cash curve shows when cumulative gross profit pays back acquisition spend. Pin scenarios to compare, or copy the URL to share a tuned model.
Presets
Revenue
Retention & acquisition
LTV
—
LTV : CAC
—
CAC payback
—
months
Ending MRR
—
cumulative cashMRRpinned
How this is computed
ARPA = price × seats
GP/acct = ARPA × margin
retention = 1 − churn; g = retention × (1+expansion)
LTV = GP/acct ÷ (1 − g) (bounded if g ≥ 1)
payback = CAC ÷ GP/acct
MRRₜ = MRRₜ₋₁·g + new·ARPA
cashₜ = cashₜ₋₁ + MRRₜ·margin − new·CAC