kaiZen

kaiZen

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The unbreakable screen-time app

stefantudose5
@stefantudose5
Published on Nov 17, 2025
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Platforms
Mobile

About kaiZen

kaiZen provides the ultimate solution for managing screen-time on Android devices. This app is uniquely designed to be bypass-proof, ensuring that once it is set up, the restrictions cannot be circumvented, helping you or your family maintain healthy digital habits. kaiZen works by only allowing a whitelist of constructive apps to be installed. The whitelist is manually vetted and grows based on user submissions. It can also adapt to the user's needs: if the they must absolutely continue to keep using one or more apps outside of the whitelist, they can add them as exceptions in kaiZen during the one-time setup that occurs after installation. Moreover, if an unexpected need arises, the user can enable emergency mode, a temporary state of up to 2 hours per week, when all of the restrictions are lifted. kaiZen is unique because it cannot be uninstalled right away, prompting the user to wait for a few days (chosen by the user during activation), before they can remove the app and lift all of its restrictions. The restrictions are absolute, making kaiZen an instant-cure solution: no installing apps from other sources (not even an USB cable), no safe mode circumvention, no changing the device clock to fake having waited the time. Believe us, we made it for us first-in-mind and tried everything. The only way to remove the restrictions is to wait out the time the user set when they decided to commit to kaiZen, or to factory-reset the device (in case of selling the device or similar contexts)

Product Insights

kaiZen is a mobile health and wellness application for Android that enforces screen-time limits through a whitelist-only app policy and technical measures to prevent bypass.

  • Prevents immediate uninstallation by requiring a user-defined waiting period of several days.
  • Eliminates common workarounds like safe mode, USB installation, or device clock manipulation.
  • Features a human-vetted whitelist of constructive applications with support for custom setup exceptions.
  • Includes a strictly limited emergency mode providing two hours of unrestricted access per week.

Ideal for: Students, solopreneurs, and non-technical users who require a high-friction screen-time solution to maintain productivity and healthy digital habits.

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Comments (2)

B
@ben

Hope it's better than what Google has

stefantudose5
@stefantudose5

Although the app is minimal, we worked 5 months on it to ensure reliability and eliminate every possible trace of bugs. The app uses system-level mechanisms and thus safety is not-negligible.