Methodology
We collected kickoff, milestone, and launch dates from 240 mobile app engagements delivered between 2022 and 2026. Timelines were normalized against a 10-stage delivery framework (discovery, UX, core build, integrations, QA, store prep, review, launch, v1.1, retention). Cross-platform React Native and Flutter projects were tracked separately from native Swift/Kotlin builds, and store-review delays were measured as distinct events.
