Decay exponent kR(d) = D1 · d^(−k), fit from D1 & D30
—
Sponsor rev / active user / day(clicks ÷ AU ÷ days) × CPC
—
Annual sub LTVgeometric: price ÷ (1 − renewal)
—
Monthly sub LTVgeometric: price ÷ monthly churn
—
Lifetime sub LTV
—
Trial start ratetrial starts × new-install share ÷ recent new users
—
Effective annual conversiondirect annual rate + trial start rate × trial CVR
—
Monthly conversion raterecent monthly upgrades ÷ recent new users
—
Lifetime conversion raterecent lifetime ÷ recent new users
—
Window conversion (pre-trial)ann / mon / life · May 18 – Jul 5 blended, comparison only
—