Rubber Duck – Catch App Store rejection issues before Apple does

Summary: Rubber Duck scans iOS apps before submission, combining automated checks and human testing on real devices to identify common App Store rejection issues. It detects crashes, incomplete build flows, missing privacy data, inconsistent metadata, and broken onboarding, providing a clear actionable report.

What it does

Users upload their IPA file, which Rubber Duck tests using automated tools and human testers on real iPhones to find issues Apple typically flags during review.

Who it's for

iOS developers seeking to identify and fix App Store rejection causes before submitting their apps.

Why it matters

It reduces launch delays by catching review-blocking problems early, preventing unexpected rejections.