Writing on engineering, AI-augmented workflows, and the occasional war story.https://cadence.hyundohkim.com/https://cadence.hyundohkim.com/blog/best-habit-tracker-apps-for-adhd/https://cadence.hyundohkim.com/blog/best-habit-tracker-apps-for-adhd/A practical comparison of the best habit tracker apps for ADHD: Cadence, Tiimo, Routinery, Structured, and Finch. Real prices, real tradeoffs, and what actually helps ADHD users keep habits going.Mon, 17 Aug 2026 00:00:00 GMThttps://cadence.hyundohkim.com/blog/best-subscription-free-habit-trackers/https://cadence.hyundohkim.com/blog/best-subscription-free-habit-trackers/Cadence is a subscription-free habit tracker for iPhone: $3.99 one-time, no account, no ads, unlimited habits. Compare the best no-subscription habit trackers by price and features.Fri, 07 Aug 2026 00:00:00 GMT