Issue No. 001·March 21, 2026·Seoul Edition
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Kadō

beta

privacy-first habit tracker for iPhone and iPad

appApril 23, 2026
ProductivityHabit TrackingiOS Apps
What It Does

Details

Kadō is an iOS habit tracker that uses a non-binary exponential moving average score to track progress, avoiding the fragility of streak-based systems. It stores data locally with optional iCloud sync and offers features like flexible habit schedules, widgets, and reminders.

Who It's For

Best fit users

  • iPhone users
  • iPad users
  • habit tracking enthusiasts
Why It Matters

Why this one made the cut

It provides a more sustainable way to track habits without the pressure of streaks, maintains privacy by collecting no data, and is open-source. The app is designed with a focus on native iOS experience and integrates with Apple's ecosystem including Siri, WidgetKit, and CloudKit.

Differentiator

What makes it different

Unlike other habit trackers, Kadō uses a non-binary score system instead of streaks, maintains complete privacy by default, and is open-source with a native iOS implementation using no third-party libraries.

Sources

Where we found it

Sources

GLOBAL · Hacker NewsENApr 23, 2026Visit

First discovered Apr 23, 2026 · Hacker News