New open-source iOS habit tracker Kadō ditches streaks for an EMA-based score
A developer released Kadō, a free and open-source (MIT license) habit tracker for iPhone and iPad built entirely with native Apple technologies like SwiftUI and SwiftData. Instead of a binary streak counter, it calculates a non-binary habit score using an exponential moving average, an approach borrowed from Android's Loop Habit Tracker, so a single missed day doesn't erase progress. The app requires no account, has no subscription or telemetry, stores data locally, and offers optional iCloud sync plus lossless JSON/CSV export.
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Most popular iOS habit trackers are either closed-source with binary streaks (like Streaks) or open but freemium (like Teymia), leaving a gap for a fully free, privacy-respecting, native alternative. By porting Loop's scoring algorithm to iOS under an MIT license, Kadō gives users a more forgiving way to measure consistency while avoiding data collection and subscription lock-in, appealing to privacy-conscious users and developers who want to build on open code.
- Kadō replaces binary streaks with an exponential moving average habit score to reduce all-or-nothing pressure.
- The app is fully open source under MIT, requires no account, and avoids analytics, telemetry, or third-party SDKs.
- It's built natively for Apple platforms using SwiftUI, SwiftData, and CloudKit, with optional iCloud sync and full data export.
Moleskine Classic Hardcover Notebook — If you like Kadō's idea that progress is a trend rather than a fragile streak, a paper habit journal is the perfect analog companion for reflection and weekly reviews. The Moleskine Classic hardcover holds up in a bag, lies flat for daily logging, and needs no account, subscription, or battery.
See Moleskine Classic Hardcover Notebook on Amazon → Affiliate link — we may earn a commission on purchases, at no extra cost to you. Product picked by AI based on this article; it is not a tested recommendation.Source: github.com, 2026-09-06
Published there as: “Show HN: Kadō – open-source habit tracker, with non-binary habit score, for iOS”
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