For most subscription teams, experimentation looks like this: marketing has an offer to test, growth has a paywall variant in mind, monetization wants to try a new pricing layout. The roadmap meeting decides which one survives the next sprint. Engineering builds it. The variant ships in the next App Store release. Two months later, the team finally has a result, and a different idea they wish they had tested instead.
That cadence is fine for an annual roadmap. It is a disaster for revenue. The experience layer — landing pages, onboarding flows, paywalls, upgrade screens — moves faster than a sprint cycle, because subscribers don't wait and competitors don't wait. The teams that win on subscription growth run dozens of experiments in the time it takes most teams to ship one.
The other half of the problem is scope. Most experimentation tools were built for paywalls. They miss the landing pages that bring people to the paywall, the onboarding flows that frame what the paywall is selling, and the upgrade screens where subscribers expand. Optimizing the paywall while the rest of the funnel leaks is half a strategy.