Share links are unlisted by default, but for confidential builds you can add password protection, expiration dates, and install limits, all stackable on a single link.
Share links let you distribute mobile builds to anyone without requiring a TestApp.io account. Set passwords, expiration dates, install limits, and track who is installing.
How to enable unknown sources and sideload APK files on Android 7 through 15. Covers per-app permissions, Restricted Settings, Enhanced Confirmation Mode, and security best practices.