Rubber Duck
Hi everyone! I'm the maker of Rubber Duck. After shipping iOS apps, I realized how unpredictable App Store review can be. Even great apps get rejected for: missing metadata, small UI issues, broken flows on certain iPhone models, forgotten privacy entries, one-off crashes Apple found and many more. Each rejection set the launch back days. So I built Rubber Duck to be the “review before the review.” It combines automated checks with human testers using real iPhones like an App Store reviewer, but faster and kinder.
Rubber Duck launched on November 26, 2025 with 354 votes, #57 of 9,796 launches that month and more than 99% of that year's launches.
In plain words
Rubber Duck is a testing service that scans iOS apps before App Store submission to identify common rejection issues. The tool combines automated checks with human testing on real devices to detect crashes, incomplete flows, missing privacy information, metadata inconsistencies, and onboarding problems. Developers upload their app, receive testing results, and get an actionable report highlighting issues that typically trigger Apple rejections, helping streamline the submission process.
written from the facts on this page · September 2026
From the sources
Rubber Duck scans your iOS app before you submit it to the App Store. We combine automated checks with human testers on real devices to catch the issues Apple flags the most: crashes, incomplete build flows, missing privacy data, inconsistent metadata, broken onboarding, and more. Upload your IPA → we test → you get a clear actionable Duck Report.
Catch App Store rejection issues before Apple does
No scripts to write. No devices to manage. Just give us your App Store link, and we handle the rest. We download your live app directly from the store. We explore every flow on real hardware, exactly as your users see it. Receive actionable reports with video replays of every crash, layout issue, and performance bottleneck. Single use scan. Perfect for one-off checks before submission. We download your app directly from the App Store using the public link you provide. For pre-submission testing, you can upload your .ipa file, which is encrypted and tested in a secure environment. Most scans complete within 4 hours. Priority queue subscribers typically see results in 2-3 hours. You'll…from tryrubberduck.com
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