Demystifying Removed Apps in iOS App Store
Fuqi Lin

TL;DR
This study analyzes removed apps from the iOS App Store to understand their characteristics, revealing that some popular apps are removed despite being low-quality, and identifying metadata patterns that indicate potential harm.
Contribution
It provides the first large-scale, longitudinal analysis of removed iOS apps, highlighting the presence of popular yet low-quality apps and metadata indicators of harmful behavior.
Findings
Most removed apps are low-quality.
Some removed apps are quite popular.
Metadata can help identify potential harmful apps.
Abstract
With the popularity of mobile devices, mobile applications have become an essential part of people's lives. To provide secure mobile application download channels for users, various modern app markets are maintained by different companies. For example, Google maintains Google Play for Android users, while Apple maintains App Store for iOS, iPadOS, and MacOS users. Though app markets have come up with strict policies which impose restrictions on developers to avoid the potential harmful applications, we still have quite limited knowledge on the process of app vetting and the status of potential harmful apps. To fill this gap, this paper takes the initiative to conduct a large-scale and longitudinal study of removed apps in the iOS app store. Our analysis reveals that although most of the removed apps are low-quality apps, a number of them are quite popular. Furthermore, the mis-behaviors…
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Taxonomy
TopicsAdvanced Malware Detection Techniques · Spam and Phishing Detection · Privacy, Security, and Data Protection
