Controlled Research: Self Test

An intuitive offline calculator and hypothesis tracker built specifically for app developers, ASO specialists, and mobile growth marketers. Designed as a portable workspace for Store Optimization and Search Ads testing, the app helps you evaluate metadata changes, search keyword impact, and ad campaign performance through clear, data-driven methodology. It allows you to organize promotional goals into structured projects, build step-by-step hypothesis tests, and record marketing outcomes directly on your device. At the heart of the tool is a suite of focused calculation engines designed for essential growth metrics. Instead of relying on manual spreadsheet formulas, the built-in calculators process your inputs to determine conversion rates, cost per acquisition, return on ad spend, and percentage uplift between optimization iterations. You can easily compare performance before and after…